specalog for 12m motor grader, aehq5730-03 · motor grader. 2 12m motor grader the 12m delivers...

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® ® Cat ® C6.6 ACERT ™ VHP Base Power (1st gear) – Net 118 kW 158 hp VHP Range – Net 118-129 kW 158-173 hp VHP Plus Range – Net 118-144 kW 158-193 hp Gross Vehicle Weight – Base Total 14 998 kg 33,064 lb Front Axle 4499 kg 9,919 lb Rear Axle 10 498 kg 23,145 lb Moldboard Blade Width 3.668 m 12 ft 0 in 12M Motor Grader

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Page 1: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

®®

Cat® C6.6 ACERT™ VHPBase Power (1st gear) – Net 118 kW 158 hpVHP Range – Net 118-129 kW 158-173 hpVHP Plus Range – Net 118-144 kW 158-193 hp

Gross Vehicle Weight – BaseTotal 14 998 kg 33,064 lbFront Axle 4499 kg 9,919 lbRear Axle 10 498 kg 23,145 lb

MoldboardBlade Width 3.668 m 12 ft 0 in

12MMotor Grader

Page 2: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

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12M Motor GraderThe 12M delivers multiple technological breakthroughs to give you the best returnon your investment.

The 12M motor grader represents arevolution in operational efficiency,visibility, service ease and overallproductivity, setting the new standardand building on the legacy of highquality you can trust.

Work Tools and Attachments

The Work Tools and optionalattachments for the 12M expandmachine versatility, utilization andperformance. pg. 15

Integrated Electronic Solutions

Full systems integration with advancedelectronics including Cat® Messenger,AccuGrade™ blade control system andCat ET, create a “Smart Machine” thatoptimizes performance and availability.pg. 14

Structures, Drawbar, Circle andMoldboard

The 12M frame provides a solidworking platform, and the DCMdelivers service ease and precise bladecontrol for maximum productivity.pg. 8

Steering and Implement Controls

Two joysticks offer precise controland unparalleled ease of operation.This advanced technology makes the12M the most operator-friendly motorgrader in the world. pg. 6

Operator Station

A technologically advanced cab,featuring joystick controls, providesunmatched comfort and visibility.pg. 4

Page 3: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

� New Feature

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Serviceability and Customer Support

Fast component replacement andminimum downtime are possiblewith Caterpillar’s exceptional partsavailability and dealers’ advancedrebuild and repair capabilities. pg. 18

Safety

Caterpillar® has been and continues tobe proactive in developing machinesthat meet or exceed safety standards.pg. 16

Hydraulics

The electro-hydraulic load-sensingsystem provides the foundation foradvanced machine controls, enablingsuperior controllability and precise andpredictable hydraulic movements, withthe reliability you expect fromCaterpillar. pg. 13

Engine

The Cat® C6.6 engine combines powermanagement with ACERT™Technologyto deliver maximum power and efficiencyin every gear while reducing theenvironmental impact. pg. 12

Power Train

An electronically controlled power shifttransmission assures smooth shiftingand maximum power to the ground.A modular rear axle and hydraulicbrakes simplify serviceability andreduce operating costs. pg. 10

Page 4: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

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The 12M features a revolutionary cab design that provides unmatched comfort, visibilityand ease of use, making the operator more confident and productive.

Operator Station

Page 5: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Advanced Joystick Controls.Two electro-hydraulic joysticks reducehand and wrist movement as much as78% compared to conventional levercontrols for greatly enhanced operatorefficiency. The intuitive pattern iseasy to learn and provides the preciseimplement control you expect fromCaterpillar.

Auxiliary Pod and Ripper Control.The optional ripper control andauxiliary control pod are ergonomicallypositioned to allow simple, comfortableoperation for the multiple hydraulicoptions.

Visibility. The 12M boasts excellentvisibility to the work area, made possiblewith angled cab doors, a tapered engineenclosure and a patented sloped rearwindow.

Cat Comfort Series Seat. The Cat®

Comfort Series suspension seat has anergonomic high-back design, with extrathick contoured cushions and infinitelyadjustable lumbar support that evenlydistributes the operator’s weight.Multiple seat controls and armrestsare easy to adjust for optimal supportand comfort all day. The optional airsuspension seat enhances ride qualityfor additional comfort.

In-Dash Instrument Cluster.The instrument panel, with easy-to-read, high-visibility gauges and warninglamps, keeps the operator aware ofcritical system information.

Cat Messenger. Cat Messenger providesreal-time machine performance anddiagnostic data. You can quickly viewcritical performance and operatinginformation, in multiple languages,helping to maximize the life andproductivity of the machine.

Controls and Switches. Reliable, long-life rocker switches are located on theright side cab post and front instrumentcluster, within easy reach for the operator.

Comfort and Convenience. Caterpillarhas built the most comfortable cab inthe industry by replacing the controllevers and steering wheel with twojoystick controls, and lengthening thecab to give more leg room.

Multiple adjustment capabilities for thearm rest, wrist rests and joystick podshelp keep the operator comfortablethroughout a long shift.

Low Interior Sound and VibrationLevels. Isolation mounts for the cab,engine and transmission, in additionto the relocation of the hydraulic pumpand valves, provide significant soundand vibration reductions. The lowvibration levels and quiet interior providea comfortable work environment.

HVAC. The heating, ventilation andair conditioning system uses intelligentvent placement for consistent climatecontrol and clear windows for everycondition. The high-capacity systemdehumidifies air and pressurizes thecab, circulating fresh air and sealing outdust. An easily accessible fresh air filteris located outside the cab at groundlevel for quick replacement or cleaning.

Additional Cab Features. Additional cabfeatures include cup holder, lighter andashtray, coat hook, storage area, nighttime light, power port and heater.Optional rearview camera, 25 amppower converter and radio are alsoavailable.

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Page 6: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Ease of Operation. The revolutionaryjoystick controls and exceptionalvisibility make the 12M easier tooperate without sacrificing control.

The intuitive joystick control patternallows both new and experiencedoperators to become productive quickly.

Logical grouping of hydraulic functionsin the joysticks allow any operator toeasily control several functions at thesame time. This allows the operatorto be more productive and remaincomfortable throughout the work shift.

Intuitive Steering Control. The 12Mintroduces a breakthrough in joysticksteering control. This technologycreates a direct relationship betweenthe lean angle of the joystick and theturning angle of the steer tires.

A brake tensioning system holds thejoystick in position until the operatormoves it. In addition, the steeringcontrol automatically reduces steeringsensitivity at higher ground speeds forcomfortable and predictable control.

Electronic Throttle Control. ElectronicThrottle Control (ETC) provides theoperator with easy, precise, and consistentthrottle operation. An automatic andmanual mode on a single switch offersflexibility for different applications andoperator preferences.

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The 12M sets the new standard for motor grader operational efficiency.

Steering and Implement Controls

Page 7: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Left Joystick Functions. The leftjoystick primarily controls the machinedirection and speed.

1 – Steering: Lean joystick left and right

2 – Articulation: Twist joystick leftand right

3 – Articulation Return to Center:Yellow thumb button

4 – Wheel Lean: Two black thumbbuttons

5 – Direction: Index trigger shiftstransmission to forward, neutralor reverse

6 – Gear Selection: Two yellow thumbbuttons upshift and downshift

7 – Left moldboard lift cylinder:Push joystick to lower, pull joystickto raise

7 – Left moldboard lift cylinder float:Pushing joystick through detentengages float

Articulation Return-to-Center.This feature automatically returns themachine to a straight frame position fromany articulation angle with the touch ofa single button. Return-to-Center helpsimprove productivity and safety byallowing the operator to focus oncontrolling the moldboard.

Right Joystick Functions. The rightjoystick primarily controls the Drawbar,Circle and Moldboard functions.

1 – Right moldboard lift cylinder:Push joystick to lower, pull joystickto raise

7 – Right moldboard lift cylinder float:Pushing joystick through detentengages float

2 – Moldboard slide: Lean joystick leftand right

3 – Circle turn: Twist joystick leftand right

4 – Moldboard tip: Thumb switch foreand aft

5 – Drawbar center shift: Thumb switchleft and right

6 – Electronic Throttle Control: Triggerswitch is resume and decrement

7 – Differential Lock/Unlock:Yellow button

1 – Ripper Control Pod. Infinitely variableroller switches control the rear ripperand/or front lift group (when equipped),for easy and comfortable control.

2 – Programmable Auxiliary HydraulicPod. Four fingertip controls and amini joystick maximize hydrauliccontrol flexibility, accommodatingup to six hydraulic circuits. Individualfunctions are easily programmablethrough Cat ET to meet the configurationyou need.

The optional auxiliary hydraulic pod isprovided when the machine is configuredwith three or more auxiliary functions.

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Page 8: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Front Frame Structure. The 12M frontframe is a formed structural carbon steeltube. Advanced fabrication technologysignificantly reduces the number of weldjoints, which more evenly distributesstress loads. The result is a robustmachine that delivers the durabilityyou expect from Caterpillar.

Rear Frame Structure. The box-sectioned hitch design helps resisttorsion loads and ensure structuraldurability. The integrated bumper tiesthe rear frame together as a single, solidunit, so the frame can withstand heavy-duty applications such as ripping andwinging snow.

Articulation Hitch. A large taperedroller bearing at the lower pivot carriesloads evenly and smoothly. This joint issealed to prevent contamination in thiscritical area.

A mechanical locking pin preventsframe articulation to help ensure safetywhen servicing or transporting themachine.

Circle Construction. Our one-pieceforged steel circle is built to stand up tohigh stress loads and provide structuraldurability. The front 240° of circle teethare hardened to reduce wear and ensurecomponent reliability.

Drawbar Construction. The A-framedrawbar features a tubular design forhigh strength and optimum durability.

Aggressive Blade Angle.With a longwheelbase the operator can obtainaggressive moldboard angles, so materialrolls more freely along the length of theblade. This is particularly helpful whenhandling very dry materials or cohesivesoils. Better material control gets thejob done faster, requires less powerand saves fuel.

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Durable structures with fast and simple DCM adjustments deliver precise material controlwhile lowering operating costs.

Structures, Drawbar, Circle and Moldboard

Page 9: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Top-Adjust Drawbar Wear Strips.The patented top-adjust wear stripsdramatically reduce drawbar/circleadjustment time. By removing theaccess plates on top of the drawbar,shims and wear strips can easily beadded or replaced. This feature reducesservice downtime and lowers overallmachine operating costs.

Replaceable Wear Inserts. Tough,durable nylon composite wear insertsreduce rotational friction for maximumcircle torque and longer component life.They are located between the drawbarand circle, and between the supportshoes and circle. High load-resistantbrass wearstrips are placed between theblade mounting group and moldboard.This sacrificial wear system can bereplaced easily and helps keepcomponents tight for fine grading.

Moldboard. The optimal curvature andlarge throat clearance help move materialquickly and efficiently. Heat-treatedmoldboard rails, hardened cutting edgesand end bits, and large diameter boltsassure reliability and longer service life.The moldboard side shift cylinder ispositioned on the left side to eliminatesnow wing interference.

Moldboard Positioning. The blade linkbar design extends the possibilities formoldboard positioning, most beneficialin mid-range bank sloping and in ditchcutting and cleaning.

Shimless Moldboard Retention System.The unique shimless moldboardretention system reduces the potentialfor blade chatter. Vertical and horizontaladjusting screws keep the moldboard’swear strips aligned for precise bladecontrol and dramatic reductions inservice time.

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Top-adjust drawbar wear strips

Shimless moldboard retention system with adjusting screws

Page 10: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Smooth Shifting Transmission. The 12Mcombines several key innovations toensure smooth, powerful shiftsthroughout the gear range.

Electronically Controlled Shifting.The full Electronic Clutch PressureControl (ECPC) system optimizesinching modulation and smoothsshifting between all gears and directionalchanges. This provides outstandingcontrol and also extends the life of thetransmission by reducing stress on gears.

Load Compensation. This standardfeature ensures consistent shift qualityregardless of blade or machine load.

Controlled Throttle Shifting.This standard feature helps to smoothdirectional and gear changes withoutuse of the inching pedal.

Engine Over-Speed Protection.Helps protect the transmission andextend component life by preventingdownshifting until a safe travel speedhas been established.

Power Shift Countershaft Transmission.Designed and manufactured specificallyfor the 12M motor grader, the directdrive countershaft transmission ismatched with the powerful Cat C6.6engine to maximize power to the ground.

Modular Rear Axle. The 12Mincorporates a bolt-on modular rearaxle design, which offers easy accessto differential components, improvesserviceability and contaminationcontrol, and lowers maintenance timeand operating costs. The result is arugged machine you can rely on foryears to come.

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Integrated, electronically controlled systems, deliver smooth reliable performance withreduced operating costs.

Power Train

Page 11: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Front Axle. The Caterpillar® sealedspindle keeps the bearings free fromcontaminants and lubricated in alight-weight oil (1). This durable,low-maintenance design reduces yourowning and operating costs. Two taperedroller bearings (2) support the wheelspindle. The Cat “Live Spindle” designplaces the larger tapered roller bearingoutboard where the load is greater,extending bearing life.

Gear Selection. Eight forward andsix reverse gears give the operator awide operating range. The specificallydesigned range of gears ensuresmaximum productivity in allearthmoving applications.

Programmable Autoshift. The operatorcan easily customize various shiftparameters through Cat Messengerto match the specific applicationrequirement. This feature automaticallyshifts the transmission at optimal pointsso the operator can focus on the work,improving safety, productivity and easeof operation.

Inching Pedal. Allows precise controlof machine movements in any gearwith low pedal effort and excellentmodulation, critical in close-quarterwork or finish grading.

Hydraulic Brakes. The oil bathed,multi-disc service brakes arehydraulically actuated (1), providingsmooth predictable braking and loweroperating costs. With brakes located ateach tandem wheel, the 12M offers thelargest total brake surface area in theindustry (2), delivering dependablestopping power and longer brake life.

Brake Serviceability and Reliability.An easily accessible brake wearindicator/compensator system (3)maintains consistent brake performanceand indicates brake wear withoutdisassembly. This system cuts servicetime and extends brake service life.

Parking Brake. The spring-applied,hydraulically released multi-discparking brake is a sealed, oil-cooleddesign extending component life andreducing the need for service. The parkingbrake is integrated into the OperatorPresence System to prevent unintendedmachine movement.

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Brake design

Page 12: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

ACERT™ Technology. ACERTTechnology allows Cat enginesto supply more power per unit ofdisplacement without causing prematurewear. This breakthrough technologyreduces emissions during the combustionprocess by using advanced technologyin the air and fuel systems, in conjunctionwith integrated electronics. ACERTTechnology enhances overall engineperformance while dramaticallyreducing exhaust emissions.

Fuel Delivery. The C6.6 engine withACERT Technology uses multipleinjection fuel delivery to preciselyshape the combustion cycle. Severalsmall ignitions lower combustionchamber temperatures, generates feweremissions and optimizes fuel combustion.Bottom line: more work output for yourfuel cost.

Power Management. The 12M PowerManagement System automaticallydelivers an additional five horsepowerin each forward gear 1st through 4th,and each reverse gear 1st through 3rd.This standard feature optimizes rimpullfor all gears by balancing traction,speed and horsepower while conservingfuel. The system limits horsepower inlower gears, which helps reduce wheelslip where traction is limited. With theVariable Horsepower Plus (VHP Plus)option, an additional five-horsepoweris delivered in each forward gear5th through 8th for more power athigher speeds.

Performance. The Cat C6.6 engine meetsspecific performance requirements for12M applications. Its superior torqueand lugging capability can pull throughsudden, short-term increases in loads,maintaining consistent, desirablegrading speeds to get the work donefaster without downshifting.

Hydraulic Demand Fan. The hydraulicdemand fan automatically adjustscooling fan speed according to enginecooling requirements. This systemreduces demands on the engine, puttingmore horsepower to the ground andimproving fuel efficiency.

Exhaust Emissions Certified. The CatC6.6 with ACERT Technology meetsor exceeds all U.S. EPA Tier 3 andEuropean Union Stage IIIa emissionscontrol standards.

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EngineThe 12M combines power management with ACERT™ Technology to deliver maximumpower and efficiency while reducing the environmental impact.

Page 13: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Advanced Electro-Hydraulic System.The 12M incorporates a state-of-the-artelectro-hydraulic system. This technologyis the foundation for revolutionarychanges of the machine and implementcontrols. Advanced joystick controlsprovide unmatched controllability withprecise, predictable hydraulic movementsand the reliability you expect fromCaterpillar.

Blade Float. Blade float is built into theblade lift control valves and is optionalfor some auxiliary hydraulic functions.The blade float feature allows the bladeto move freely under its own weight.By floating both cylinders, the bladecan follow the contours of the roadwhen removing snow. Floating onlyone cylinder permits the toe of theblade to follow a hard surface whilethe operator controls the slope withthe other lift cylinder.

Cat® XT™ Hose. Caterpillar hosetechnology allows high pressures formaximum power and reduced downtime.Intelligent routing minimizes exposureto damage. Hose clips prevent hoserubbing and excessive vibration forlower owning and operating costs.

Independent Oil Supply. Large, separatehydraulic oil supply prevents cross-contamination and provides proper oilcooling, which reduces heat build-upand extends component life.

Load Sensing Hydraulics (PPPC).The time proven load-sensing systemand the advanced Proportional PriorityPressure-Compensating (PPPC, or“triple-PC”) electro-hydraulic valveson the 12M are designed to providesuperior implement control and enhancedmachine performance in all applications.Continuous matching of hydraulic flowand pressure to power demands createsless heat and reduces power consumption.

Balanced Flow. Hydraulic flow isproportioned to ensure all implementsoperate simultaneously with little effecton the engine or implement speeds.If demand exceeds pump capacity,all cylinder velocities are reduced bythe same ratio. The result is improvedproductivity in all applications.

Consistent and Predictable Movement.PPPC valves have different flow ratesfor the head (red) and rod ends (blue)of the cylinder. This ensures consistentextension and retraction speeds foreach cylinder, and gives the operatora consistent and predictable responseevery time an implement controlis moved.

Predictable movement

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HydraulicsThe 12M electro-hydraulics enable advanced machine controls with precise andpredictable movements.

Page 14: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

“Smart Machine”. The 12M fullyintegrates all core systems creating a“Smart Machine.” The Cat data linkshares key data among systems,optimizing machine performance whilepreventing potential machine damage.

Electronic Technician (Cat ET). Cat ETis a two-way communication tool thatgives service technicians easy accessto stored diagnostic data and lets themconfigure the machine parameters throughthe Cat Data Link. This integrated featurereduces machine downtime and lowersoperating costs.

Diagnostics. Cat Messenger, combinedwith full systems integration, enhancesthe diagnostic capability of the 12M.Machine system errors are displayed intext as well as with fault codes, allowingservice technicians and operators toquickly analyze critical data, increasingmachine availability.

Machine Security System (MSS).The optional MSS uses electronicallycoded keys to limit usage by specificindividuals or times of the day.MSS deters theft, vandalismand unauthorized use.

Product Link. Product Link streamlinesdiagnostic efforts, and reduces downtime,maintenance scheduling and costs byproviding a communication flow of vitalmachine data and location. Product Linkgives automatic updates on machineparameters such as machine hours,machine condition, location, faultcodes and alarms directly to youroffice computer.

Cat Messenger. Standard on the 12M,Cat Messenger provides real-timemachine performance and diagnosticdata with an easy-to-use interface.Messenger monitors all system data andalerts the operator of any faults througha digital text display that can be shownin multiple languages.

Low Battery Elevated Idle. After the 12Mis at low idle for an extended periodand low system voltage is detected, idlespeed is raised. This ensures adequatesystem voltage and improves batteryreliability.

Automatic Engine Deration. Protects theC6.6 engine by automatically loweringengine torque output and alerting theoperator if critical conditions are detected.

Optional Automatic Blade Control.The Caterpillar AccuGrade Systemautomatically controls the blade,improving operator efficiency andproductivity. AccuGrade™ technologyreduces the need for traditional surveystakes or grade checkers, so you canreach grade faster and in fewer passesthan ever before.

AccuGrade Attachment Ready Option.The AccuGrade System is fully integratedinto the machine design, makinginstallation quick and easy. Integralhydraulic and electrical components arestandard on the 12M (Grade ControlReady). The AccuGrade AttachmentReady Option provides additionalmounting brackets, cab controls andelectrical harnesses for easy installationof the Cross Slope, Sonic, Laser, GPSor ATS electronics kits.

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Integrated Electronic SolutionsFull systems integration optimizes machine performance and availability.

12M with AccuGrade™ System

Page 15: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Rear Ripper/Scarifier. The 12M optionalripper/scarifier is made to penetratetough material fast and rip thoroughlyfor easier material movement with themoldboard. The ripper includes threeshanks with the ability to add two moreif needed. Nine scarifier shanks can alsobe added for additional versatility.

Ground Engaging Tools (GET). A widevariety of Caterpillar GET is availableon the 12M, including cutting edges,graderbits and end bits, all designed formaximum service life and productivity.

Front Mounted Groups. A front mountedpush plate/counterweight or front liftgroup can be ordered on the 12M.The Caterpillar Work Tools front liftgroup can be combined with a frontdozer blade or front scarifier for addedversatility.

Air Compressor. An optional aircompressor is available, giving you aconvenient on-board air system to blowdebris off the machine and operatepower tools.

Snow Removal Work Tools. CaterpillarWork Tools offer a variety of snowremoval equipment specifically for the12M. Multiple snow plow, snow wingand mounting options are available,adding additional machine versatilityand utilization throughout the year.

Moldboard Options. A 3.7 m (12 ft)moldboard is standard on the 12M,with an optional 4.3 m (14 ft) moldboardavailable from the factory. Left sidemoldboard extensions are also available,increasing versatility.

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Work Tools and AttachmentsThe Work Tools and optional attachments for the 12M expand machine versatility, utilizationand performance.

Page 16: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Operator Presence System. The OperatorPresence System keeps the parkingbrake engaged and hydraulic implementsdisabled until the operator is seated andthe machine is ready for safe operation.

Secondary Steering System. The standardsecondary steering system automaticallyengages an electric hydraulic pump incase of a drop in steering pressure,allowing the operator to steer themachine to a stop.

Speed Sensitive Steering. The steeringsoftware automatically provides aninfinitely variable ratio between thejoystick and the steer tires, resultingin less sensitive steering as the groundspeed increases.

Low Sound and Vibration Levels.Isolation mounts for the cab, engineand transmission maximize operatorcomfort and help to minimize soundand vibration. These modificationsprovide a quieter and more comfortableworking environment, optimizingoperator focus.

Hydraulic Lockout. A simple switchlocated in the cab disables all implementfunctions while still providing machinesteering control. This safety feature isespecially useful while the machineis roading.

Brake Systems. Brakes are located ateach tandem wheel to eliminate brakingloads on the power train. In addition,the brake systems are redundant andutilize accumulators to enable stoppingin case of machine failure, furtherincreasing operational safety.

Drop-Down Rear Lights. Optional drop-down lights fold out from the rear of themachine. This creates a wider, lowerprofile to be better aligned withpassenger cars.

Rearview Camera. Visibility is furtherenhanced with an optional Work AreaVision System (WAVS) through a178 mm (7 in) LCD color monitorin the cab. Developed specifically forrugged applications, this durable cameraimproves productivity and increasesoperator awareness of surroundings.

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Safety is an integral part of all machine and system designs.

Safety

Page 17: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Steel TandemWalkways. Perforatedraised steel walkways cover the tandems.This provides a sturdy platform forstanding and walking, and additionalprotection for the brake lines.

ROPS/FOPS Cab. Isolation mounted tothe frame to reduce vibration and sound,the integral ROPS/FOPS structuremeets ISO and SAE criteria for operatorprotection.

Circle Drive Slip Clutch. This standardfeature protects the drawbar, circle andmoldboard from shock loads when theblade encounters an immovable object.It also reduces the possibility of abruptdirectional changes in poor tractionconditions, protecting the machine,operator and surroundings.

Blade Lift Accumulators. This optionalfeature uses accumulators to help absorbimpact loads to the moldboard byallowing vertical blade travel. Blade liftaccumulators reduce unnecessary wearand help to avoid unintended machinemovement for increased operator safety.

Engine Shutoff Switch. An engineshutoff switch is located at ground levelon the left rear of the machine, allowinganyone nearby to shut it down in caseof an emergency.

Electrical Disconnect Switch. A batterydisconnect switch, located inside theleft rear enclosure, provides ground-level lockout of the electrical systemto prevent inadvertent starting ofthe machine.

Fenders. To help reduce objects flyingfrom the tires, as well as build-up ofmud, snow and debris, optional fenderscan be added.

Additional Safety Features. The 12Mhas many additional standard safetyfeatures, including laminated glass onthe front windows and doors, lockabledoors, back-up lights and soundingalarm, black glare-reducing paint onthe front frame and engine enclosure,and conveniently located grab railsfor added safety.

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Page 18: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

Grouped Service Points. The 12Mgroups daily service points in the leftside service center to help ensure propermaintenance and inspection routines.

Extended Service Intervals. The 12Mextended service intervals, such as500-hour engine oil changes and4,000-hour hydraulic oil changes,reduce machine service time andincrease availability.

Ecology Drains. Conveniently locatedecology drains shorten service timesand help keep the environment safeby preventing spills.

Diagnostics and Monitoring.The 12M integrates Cat Messenger,Cat Electronic Technician and S•O•SSM

Sampling ports for easy monitoring andfast troubleshooting, keeping yourmachine up and running.

Machine Selection.Make detailedcomparisons of the machines underconsideration before purchase. Cat dealershelp you size the right machine for youroperations and can estimate componentlife, preventative maintenance cost, andthe true cost of production.

Purchase. Consider the financingoptions available, as well as day-to-dayoperating costs. Look at dealer servicesthat can be included in the cost of themachine to yield lower equipmentowning and operating costs overthe long run.

Maintenance Services. Repair optionprograms guarantee the cost of repairsup front. Diagnostics programs suchas Scheduled Oil Sampling, S•O•SSM

analysis, Coolant Sampling and TechnicalAnalysis help avoid unscheduled repairs.

Product Support. You will find nearlyall parts at our dealer parts counter.Cat dealers use a world-wide computernetwork to track in-stock parts tominimize machine down time.Save money with genuine Cat Remanparts. You receive the same warrantyand reliability as new products atsubstantial cost savings.

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Serviceability and Customer SupportSimplified service, world-class product support and Cat® dealer-trained experts keep yourfleet up and running, maximizing your equipment investment.

Page 19: Specalog for 12M Motor Grader, AEHQ5730-03 · Motor Grader. 2 12M Motor Grader The 12M delivers multiple technological breakthroughs to give you the best return onyourinvestment

1912M Motor Grader specifications

Std – Fan speed – max 1,450 rpmStd – Fan speed – min 600 rpmStd – Ambient Capability 43° C 109° FHi Ambient – Fan speed – max 1,650 rpmHi Ambient – Fan speed – min 600 rpmHi Ambient Capability 50° C 122° F

• Max torque (VHP Plus) measured at 1,400 rpm.

• Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269Standards in effect at the time of manufacture.

• VHP Plus is an optional attachment.

• Net power advertised is the power available at rated speedof 2,000 rpm, measured at the flywheel when engine isequipped with fan running at minimum speed, air cleaner,muffler and alternator.

• No engine derating required up to 3505 m (11,500 ft).

Engine

Engine Model Cat® C6.6 ACERT™ VHPBase Power (1st gear) – Net 118 kW 158 hpVHP range – Net 118-129 kW 158-173 hpVHP Plus range – Net 118-144 kW 158-193 hpDisplacement 6.6 L 403 in3

Bore 105 mm 4.13 inStroke 125 mm 4.92 inTorque Rise (VHP Plus) 40%Max Torque (VHP Plus) 963 N·m 710 lb ftSpeed @ rated power 2,000 rpmNumber of cylinders 6Derating altitude 3505 m 11,500 ft

12M Net PowerVHP VHP Plus

Gear kW (hp) – Net kW (hp) – NetFwd. 1st 118 (158) 118 (158)

2nd 121 (163) 121 (163)3rd 125 (168) 125 (168)4th 129 (173) 129 (173)5th 129 (173) 132 (178)6th 129 (173) 136 (183)7th 129 (173) 139 (188)8th 129 (173) 144 (193)

Rev. 1st 118 (158) 118 (158)2nd 121 (163) 121 (163)3rd – 6th 125 (168) 125 (168)

Power Train

Forward/Reverse Gears 8 Fwd/6 RevTransmission Direct drive, power

shift, countershaftBrakes – Service Multiple oil-discBrakes – Service, surface area 23 000 cm2 3,565 in2

Brakes – Parking Multiple oil discBrakes – Secondary Dual circuit control system

Hydraulic System

Circuit type Electro-hydraulicclosed center, load sensing

Pump type Variable pistonPump output 193 L/min 51 gal/minMaximum system pressure 24 100 kPa 3,500 psiStandby Pressure 3100 kPa 450 psi

• Pump output measured at 2,150 rpm

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20 12M Motor Grader specifications

Tandems

Height 502 mm 19.76 inWidth 172 mm 6.76 inSidewall thickness – inner 14 mm 0.5 inSidewall thickness – outer 16 mm 0.6 inDrive chain pitch 44.5 mm 1.8 inWheel axle spacing 1510 mm 59.5 inTandem oscillation – front up 15°Tandem oscillation – front down 25°

Moldboard

Blade width 3.668 m 12 ftMoldboard – height 609.6 mm 24 inMoldboard – thickness 22 mm 0.87 inArc radius 413 mm 16.3 inThroat clearance 124 mm 4.88 inCutting edge – width 152.4 mm 6 inCutting edge – thickness 16 mm 0.6 inEnd Bit – width 152.4 mm 6 inEnd Bit – thickness 16 mm 0.6 inBlade Pull – base GVW 9448 kg 20,830 lbBlade Pull – max GVW 11 731 kg 25,862 lbDown Pressure – base GVW 7968 kg 17,566 lbDown Pressure – max GVW 12 816 kg 28,254 lb

• Blade pull calculated at 0.9 traction coefficient, which isequal to ideal no-slip conditions, and Gross Machine Weight.

Blade Range

Circle centershift – right 656 mm 25.8 inCircle centershift – left 656 mm 25.8 inMoldboard sideshift – right 660 mm 26 inMoldboard sideshift – left 510 mm 20.1 inMaximum blade position angle 90°Blade tip range – forward 40°Blade tip range – backward 5°Maximum shoulder reach outside of tires – right 1905 mm 75 in– left 1742 mm 68.6 in

Maximum lift above ground 427 mm 16.8 inMaximum depth of cut 720 mm 28.3 in

Operating Specifications

Top Speed – Fwd. 45.7 km/h 28.4 mphTop Speed – Rev. 36.1 km/h 22.4 mphTurning radius, outside front tires 7.4 m 24 ft 3 inSteering range – left/right 47.5°Articulation angle – left/right 20°Fwd. 1st 4 km/h 2.5 mphFwd. 2nd 5.4 km/h 3.4 mphFwd. 3rd 7.8 km/h 4.9 mphFwd. 4th 10.8 km/h 6.7 mphFwd. 5th 16.8 km/h 10.4 mphFwd. 6th 22.8 km/h 14.2 mphFwd. 7th 31.4 km/h 19.5 mphFwd. 8th 45.7 km/h 28.4 mphRev. 1st 3.1 km/h 1.9 mphRev. 2nd 5.9 km/h 3.6 mphRev. 3rd 8.5 km/h 5.3 mphRev. 4th 13.2 km/h 8.2 mphRev. 5th 24.8 km/h 15.4 mphRev. 6th 36 km/h 22.4 mph

Service Refill

Fuel Capacity 341 L 90 galCooling system 33 L 8.7 galHydraulic system – tank 64 L 16.9 galEngine Oil 14 L 3.7 galTrans./Diff./Final Drives 62.5 L 16.5 galTandem housing (each) 59 L 15.6 galFront wheel spindle 0.5 L 0.1 galbearing housingCircle drive housing 7 L 1.8 gal

Frame

Circle – diameter 1530 mm 60.2 inCircle – blade beam thickness 35 mm 1.4 inDrawbar – height 152 mm 6 inDrawbar – width 76.2 mm 3 inDrawbar – thickness 9.5 mm 0.4 inDrawbar – yoke bar thickness 19.1 mm 0.75 inFront frame structure– height 254 mm 10 in– width 254 mm 10 in– thickness 16 mm 0.63 in

Front axle– height to center 572 mm 22.5 in– wheel lean, left/right 18°– total oscillation per side 32°

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2112M Motor Grader specifications

Weights

Gross Vehicle Weight – base– total 14 998 kg 33,064 lb– front axle 4499 kg 9,919 lb– rear axle 10 498 kg 23,145 lb

Gross Vehicle Weight – max– total 20 271 kg 44,690 lb– front axle 7237 kg 15,954 lb– rear axle 13 034 kg 48,736 lb

• Base operating weight calculated on standard machineconfiguration with 13.00-24 12PR (G-2) tires, full fuel tank,coolant, lubricants and operator.

Standards

ROPS/FOPS ISO 3471:1992/ISO 3449:1992Steering ISO 5010:1992Brakes ISO 3450:1996Sound ISO 6394:1998/ISO 6395:1988

• The static sound operator pressure level measuredaccording to ISO 6394:1988 for a cab offered by Caterpillar,when properly installed, maintained and tested with doorsand windows closed and hydraulic fan at maximum speedis 70 dB(A).

• The dynamic spectator sound power level for the standardmachine when equipped with sound suppression packageand hydraulic fan running at 70% of maximum speed,machine sound measured is less than 105 dB(A), complyingwith EU 2000/14/EC requirement.

Ripper

Ripping depth, maximum 424 mm 16.7 inRipper shank holders 5Ripper shank holder spacing 533 mm 21 inPenetration force 8578 kg 18,911 lbPryout force 11 781 kg 25,972 lbMachine length increase, 995 mm 39.2 inbeam raised

Scarifier

Front, V-Type, 5 or 11 toothWorking width 1205 mm 47.4 inScarifying depth, maximum 467 mm 18.4 inScarifier shank holders 5/11Scarifier shank holder spacing 116 mm 4.6 in

Mid, V-TypeWorking width 1184 mm 46.6 inScarifying depth, maximum 292 mm 11.5 inScarifier shank holders 11Scarifier shank holder spacing 116 mm 4.6 in

Mid, straightWorking width 1800 mm 71 inScarifying depth, maximum 317 mm 12.5 inScarifier shank holders 17Scarifier shank holder spacing 111 mm 4.4 in

RearWorking width 2310 mm 91 inScarifying depth, maximum 266 mm 10.5 inScarifier shank holders 9Scarifier shank holder spacing 267 mm 10.5 in

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22 12M Motor Grader specifications

DimensionsAll dimensions are approximate, based on standard machine configuration with 13.00-24 12PR (G-2) tires.

1 Height – top of cab 3290 mm 129.5 in2 Height – front axle center 572 mm 22.5 in3 Length – between tandem axles 1511 mm 59.5 in4 Length – front axle to moldboard 2511 mm 98.9 in5 Length – front axle to mid tandem 5915 mm 232.8 in6 Length – front tire to rear of machine 8488 mm 334.1 in7 Length – counterweight to ripper 9889 mm 389.3 in

8 Ground clearance at rear axle 347 mm 13.6 in9 Height to top of cylinders 2920 mm 115 in10 Height to exhaust stack 2885 mm 113.6 in11 Width – tire center lines 2136 mm 84.1 in12 Width – outside rear tires 2512 mm 98.9 in13 Width – outside front tires 2531 mm 99.6 in

2

91

8

10

43

5

11

12

13 6

7

Optional Tire ArrangementsTotal machine width and changes in machine weight are shown for common tire options.

Wheel Outside Front Tires Outside Rear Tires Tire ArrangementGroup Tires Width Width Weight

9x24 SP 13.00-24 Firestone SGG RB 12PR 2531 mm 99.6 in 2512 mm 98.9 in 0 kg 0 lb10x24 MP 14.00-24 Goodyear SGG 12PR 2562 mm 100.9 in 2541 mm 100 in 223 kg 491 lb10x24 MP 14.00R24 Bridgestone VKT 1 Star 2562 mm 100.9 in 2541 mm 100 in 520 kg 1,146 lb10x24 MP 14.00R24 Michelin XGLA2 1 Star 2567 mm 101.1 in 2546 mm 100.2 in 327 kg 720 lb10x24 MP 14.00R24 Bridgestone VUT 1 Star 2550 mm 100.4 in 2529 mm 99.6 in 302 kg 666 lb14x25 MP 17.5R25 Bridgestone VKT 1 Star 2734 mm 107.6 in 2713 mm 106.8 in 694 kg 1,531 lb13x25 SP 17.5R25 Michelin XTLA 1 Star 2805 mm 110.4 in 2784 mm 109.6 in 293 kg 647 lb13x25 SP 17.5R25 Michelin XHA 1 Star 2801 mm 110.3 in 2780 mm 109.4 in 425 kg 937 lb

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2312M Motor Grader specifications

Standard EquipmentStandard equipment may vary. Consult your Cat dealer for details.

ELECTRICALAlarm, back upAlternator, 80 ampere, sealedBatteries, maintenance free, heavy duty 1125 CCABreaker panel, ground accessibleElectrical system, 24VGrade Control Ready – Cab harness, software,electrical hydraulic valves, bosses and brackets

Lights, reversingLights, roading, roof-mountedLights, stop and tail, LEDProduct Link ReadyStarter, electric

OTHER STANDARD EQUIPMENTBrake accumulators, dual certifiedBumper, rear, integrated with hitchCD ROM Parts BookClutch, circle drive slipCutting edgescurved DH-2 steel152 mm � 16 mm (6 in � 5/8 in)19 mm (3/4 in) mounting bolts

Doors (3), engine compartment, lockingDrawbar – 6 shoe with replaceable wear stripsEndbits16 mm (5/8 in) DH-2 steel19 mm (3/4 in) mounting bolts

Extended Life Coolant to –35° C (–30° F)Fluid check, ground levelFrame, articulated, with safety lockFuel tank, ground level accessGround level engine shutdownHammer (emergency exit)Horn, electricHydraulics, base 8 implement controlsHydraulics, load-sensingLockout, hydraulic implement for roadingMoldboard3658 mm � 610 mm � 22 mm (12 ft � 24 in � 7/8 in)hydraulic sideshift and tip

Mounting, cab roof accessoriesPaint, glare reducing – top of front frame and rear enclosurePump, hydraulic, high capacity (98 cc/6 in3)Radiator cleanout accessSecondary steeringServiceability, LH sideS•O•SSM ports: engine, hydraulic, transmission, coolant, fuelTandem walkway/guardsTool boxTow hitch

TIRES, RIMS, & WHEELSPartial allowance for tires and multi-piece rims

OPERATOR ENVIRONMENTAir Conditioner with heaterArm and wrist rest, adjustableArticulation, automatic Return-to-CenterAshtray and lighterCat Messenger, operator information systemCentershift pin indicatorCoat hookCup holderDisplay, digital speed and gearDoors, left and right side with wiperGauge cluster – articulation, engine coolant temp,engine RPM, fuel, system voltage

Gauge, machine levelHour meter, digitalJoystick hydraulic controlsimplements, steering, transmission

Ladders, cab, left and right sideLights, night time cabMirror, inside rearview, wide anglePower port, 12VRadio Ready, EntertainmentROPS cab, sound suppressedSeat belt, retractable 76 mm (3 in)Seat, cloth-covered, comfort suspensionStorage area for cooler/lunchboxThrottle control, electronicWindows, laminated glass:fixed front with intermittent wiperside and rear (3)

POWER TRAINAir cleaner, dual stage, dry type, automatic dust ejector,service indicator through Cat Messenger

Air-to-air after cooler (ATAAC)Belt, serpentine, automatic tensionerBrakes, four-wheel hydraulicDifferential, lock/unlockDrain, engine oil, ecologyElectronic over speed protectionEngine, Cat® C6.6 with ACERT™ TechnologyFuel-water separatorHydraulic demand fanMuffler, under hoodParking brake – multi-disc, sealed, oil-cooledPriming pump, fuelRear axle, modularSediment drain, fuel tankTransmission, 8F/6R, power shift, direct driveVHP (Variable Horsepower)

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24 12M Motor Grader specifications

Optional EquipmentOptional equipment may vary. Consult your Cat dealer for details.

kg lb

OTHER ATTACHMENTSAccuGrade ARO 41 90Accumulators, Blade Lift 77 170Camera, Rearview 7 15Caterpillar Product Link 321SR 13 29Compressor/Tank, Air 18 40Fenders, Front 56 124Fenders, Rear 163 360Heater, Engine Coolant:120V 0.5 1240V 1 3

Hydraulic Arrangements with One or More Additional Hydraulic Valves are Availablefor Rear Ripper, Blade, Mid Mount Scarifier,Front Lift Group, Snow Plow and Snow Wing.

Security System 5 10Snow Wing Mounting, Frame Ready 104 229Starting Aid, Ether 0.5 1

WORK TOOLS/G.E.T.Blade Extension, 610 mm (2 ft)Left Hand 109 240

Cutting Edges, Curved 18 40Endbits, Overlay 24 52Front Lift Group, Manual 680 1,500Mid Mount Scarifier 939 2,071Moldboard4267 mm � 610 mm � 22 mm (14 ft � 24 in � 7/8 in)4267 mm � 686 mm � 25 mm (14 ft � 27 in � 1 in)

Push Plate, Counterweight 884 1,950Ripper, Rear 998 2,200Ripper Tooth 30 67Scarifier, Tooth 69 152

MACHINE ARRANGEMENTSCanadian ArrangementEuropean ArrangementRoading ArrangementSnow Arrangement

kg lb

ELECTRICALAlternator, 150 Ampere 2 5Batteries:Extreme Duty, 1400 CCA 44 96Heavy Duty, 1125 CCA 18 40

Converter, Communication (CB) 2 5Lights:5 Lighting Arrangements, including rear roading, drop down

Warning, LED strobe 1 2

GUARDSCovers, Screen 4 9Debris 9 20Transmission Sides/SoundTransmission 133 293

OPERATOR ENVIRONMENTFan, Defroster, Rear Window 2 4Mirrors, Outside:Heated 24V 15 33Mounted 15 32

Seat, Air Suspension, Cloth 5 10Shade, Sun 4 9Wiper, Each Side 0 1Wiper/Washer, Rear 0 1

POWER TRAINEngine, Variable Horsepower Plus (VHP Plus)Precleaner, Sy-Klone 2 5Transmission, Autoshift 2 5

Note: Not all attachments are available in all regions.

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2512M Motor Grader specifications

Notes

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26 12M Motor Grader specifications

Notes

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12M Motor Grader specifications 27

Notes

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R

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web atwww.cat.com

© 2010 CaterpillarAll Rights ReservedPrinted in U.S.A.

Materials and specifications are subject to change without notice.Featured machines in photos may include additional equipment.

See your Cat Dealer for available options.

CAT, CATERPILLAR, ACERT, AccuGrade, XT, SAFETY.CAT.COM, their respective logos,“Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product

identity used herein, are trademarks of Caterpillar and may not be used without permission.

AEHQ5730-03 (06-10)

Replaces AEHQ5730-02

12M Motor Grader