off-highway truck · (heuitm). the heui is a proven high-pressure, direct injection fuel system....

Cat® 3412E EngineGross power 567 kW/760 hpFlywheel power 544 kW/730 hp

Gross machine weight 108 400 kgSAE 2:1 (capacity) 41.2 m3

Nominal PayloadFlat Floor 63.2 metric tons

775EOff-Highway Truck

®

Engine/Power Train IntegrationThe Caterpillar Data Link Systemelectronically combines engine,transmission, brake and operationalinformation to optimize overalltruck performance. The ElectronicTechnician (ET) accesses storeddiagnostic data, significantlyreducing downtime. pg. 6

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775E Off-Highway TruckEngineered for performance, designed for comfort and built to last.

Power Train – EngineThe power train features the 3412Ediesel engine and Hydraulic ElectronicUnit Injector (HEUITM) for efficientoperation. pg. 4

Truck Body OptionsThe 775E offers flat floor quarry, flatfloor lined and dual-slope body optionsto meet specific user applications. A fulloffering of attachments and customizedoptions are available to meet specificneeds. pg. 11

Power Train – TransmissionThe Cat® 7-speed, power shift trans-mission, matched with the direct-injection 3412E diesel engine providesconstant power over a wide range ofoperating speeds. pg. 5

Operator StationControls and gauges are positioned tomaximize productivity and comfort.The cab includes air suspension seatand advanced electronic monitoringsystem. Adjustable telescoping steeringcolumn, electric wipers, window andbody controls reduce operator effortand simplify control. pg. 12

Top Performance.The 775E is designed for high production and low cost-per-ton hauling in variousapplications.

Reliable, durable operation.Rugged construction and easy maintenance can help extend life with low operating costs.

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Integrated Braking Control (IBC)IBC integrates the optional AutomaticRetarder Control and Traction ControlSystem (TCS) into one system toenhance truck performance andproductivity and improve operatorconfidence. pg. 9

Serviceability/Total Customer SupportEasy serviceability access, QuickEvacTM

system, on- and off-board diagnostics,machine management service,worldwide parts availability andliterature support represents theCaterpillar commitment to customersupport. pg. 14

StructuresCaterpillar truck frames are built forsevere applications. Mild steel providesflexibility, durability and resistance toimpact loads. Castings and forgings inhigh stress areas of the frame providegreat structural strength. pg. 10

Systems/ApplicationsNumerous options and a systemapproach to match the 775E to themost appropriate loader meets customerneeds for various applications. pg. 16

Oil-Cooled, Rear Disc BrakesCaterpillar oil-cooled, multiple discbrakes offer exceptional, fade-resistantbraking and retarding. pg. 8

✔

✔ New feature

4

Cat 3412E Diesel Engine. The four-strokedesign uses long power strokes for morecomplete fuel combustion and optimumefficiency. High displacement and a lowspeed rating can help extend engine life.This engine meets U.S. EnvironmentalProtection Agency Tier II emissionsregulations and Stage II EU EmissionsDirective 97/68/EC.

Torque Rise. The 33 percent torquerise provides high lugging force duringacceleration on grade or in high rimpullconditions. The torque rise effectivelymatches the transmission shift points toprovide maximum efficiency and fastercycle times.

Engine Features. Contributing to the3412E power and reliability are:■ High pressure injection.■ Full electronic control■ One piece forged steel pistons with

three rings cooled by oil spray.■ Copper-bonded crankshaft bearings ■ Hardened crankshaft journals.

■ Dry-type radial seal air cleaners withprimary and secondary elements andprecleaner.

■ Direct-electric, 24-volt startingsystem with 50-amp alternator and four 172-amp-hour, low maintenance,high output, 12-volt batteries.

Hydraulic Electronic Unit Injector(HEUITM). The HEUI is a proven high-pressure, direct injection fuel system. This system electronically monitorsoperator and machine inputs to optimizeengine performance. HEUI is unique in its ability to independently controlinjection pressure over the entire engineoperating range. This allows completecontrol over injection timing, duration,performance and efficiency. Rate shaping technology modifies the heat release characteristics of thecombustion process for significantdecreases in sound and emission levels.Exhaust smoke is significantly reducedthrough precise, electronic control offueling limits and injection timing.

Electronic Control Module (ECM).The ECM monitors key functionsand logs critical indicators. The Electronic Technician canaccess this diagnostic information for easier maintenance and repair.

Power Train – EngineThe twelve-cylinder, turbocharged engine is built for power, reliability, economy and with the HEUITM fuel system, meets worldwide emissions.

Engine.

1 Valve Rotators

2 Turbocharger

3 Stellite-Faced Valves

4 Steel-Backed, Copper-BondedBearings

5 Oil Cooler

6 Forged Crankshaft

7 Aftercooler

8 Adjustment-Free Fuel InjectionPumps

8 Hydraulic Injectors

10 Forged Steel Pistons

11 Full-Length, Water-Cooled CylinderLiners

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Axles. Full floating axles are shot-peened to relieve internal stresses andincrease durability. Rolled splines alsoprovide increased service life.

Wheels and Rims. Cast rear wheelsand Cat center-mount rims aremounted using studs and nuts tominimize maintenance and maximizedurability.

Transmission Chassis Controller(TCC). TCC uses electronicallytransferred engine rpm data to executeshifts at preset points for optimumperformance and efficiency. This integration allows:■ Programmable top gear limit.■ Control throttle shifting.■ Directional shift management.■ Neutral coast inhibitor.■ Economy shift mode.

Integration. The Caterpillar powertrain integration provides increasedcomponent life and operator comfort.

1 Lock-up Torque Converter. Combines the maximum rimpull and cushionedshifting of torque converter drivewith the efficiency and performanceof direct drive.■ Engages at approximately 6.9 km/h,

delivering more power to the wheels.■ Lock-up clutch quickly releases and

re-engages during shifts, maintainingpower wind-up, improvingtransmission life and increasingoperator comfort.

2 Planetary Power Shift Transmission.Utilizes a modulating pressure valve toregulate clutch pressure rise and fall toease clutch engagement. This reducesshock loads on power train components.Features include:■ Large diameter clutches and robust

planetary gears and bearings.■ Patented rotating clutch pressure seals

minimize drag losses and improvereliability.

■ 35 percent gear splits between allgears match Cat engine design foroptimum use of engine power withminimized shifting and torqueconverter use.

3 Final Drive. Final drive and differentialtorque multiplication of 17.48:1 furtherreduces stress on the drive train.

Power Train – TransmissionThe Cat 7-speed, power shift transmission gets the job done smoothly and quickly.

Transmission. The Cat 7-speed, power shift transmission, matchedwith the direct-injection 3412E dieselengine provides constant power over a wide range of operating speeds.

Transmission Features.■ 7 speeds forward, one reverse.■ Torque converter driven reverse.■ 1st gear has both torque converter

drive and direct drive.■ 2nd through 7th gears are

direct drive.■ Single-lever shift control provides

automatic shifting in all gears up tothe one selected by the control lever.

■ Each shift is individually modulatedfor maximum smoothness.

■ Separate hydraulic circuit withcooler.

■ Electronic control has built-indiagnostics and fault code memory,event memory and programmablefeatures.

■ Control throttle shifting.■ Economy shift mode.

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Engine/Power Train IntegrationCombining the electronic Engine Control Module (ECM) with the Caterpillar Transmission Chassis Controller (TCC) allows critical power train components to work more intelligently.

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Cat Data Link. The Cat Data Linkelectronically integrates the machine’scomputer systems, which allowscommunications and provides thefollowing benefits:■ Controlled Throttle Shifting. Engine

rpm is regulated during a shift toreduce driveline stress for smoothershifts and longer component life.

■ Economy Shift Mode. Modifiesengine maps, resulting in improvedfuel consumption.

■ Directional Shift Management.Regulates engine speed duringdirectional shifts to prevent damagecaused by high speed directionalchanges.

Elevated Idle Neutral Coast Inhibitor.Helps prevent the transmission fromshifting to neutral at speeds above6.5 km/h.

Body-up Shift Inhibitor. Helps prevent thetransmission from shifting above a pre-programmed gear without the body fullylowered.

Event Memory. Records machinemanagement data that can be accessedusing the Electronic Technician.Recorded information includes:■ Shift histograms.■ Operator-induced events.■ Lock-up clutch counter.■ Machine overspeed.■ Transmission overspeed.

Electronic Technician (ET). The electronicengine and transmission controls provideexhaustive diagnostic capability for servicetechnicians. The ability to store both activeand intermittent indicators will simplifyproblem diagnosis and total repair time,resulting in improved mechanicalavailability and lower operating cost.■ ET accesses data stored in the engine and

transmission controls via the Cat DataLink System.

■ ET displays the status of all engineparameters including throttle position,timing and fuel flow.

■ ET replaces 13 mechanical tools toperform functions like cylinder cutoutchecks, injector solenoid tests and timingcalibration.

Caterpillar Electronic Monitoring System(CEMS). CEMS allows the operator to viewrequested information and utilizes a three-category warning system to alert theoperator to abnormal machine conditions.

Optional Attachments. Caterpillar offersoptional attachments that integrate with theCat Data Link System.■ Automatic Retarder Control (ARC). Works

with other electronic components toautomatically control retarding on grade,maintaining approximately 2,230 rpm.

■ Traction Control System (TCS). Improvesperformance in poor underfoot conditionsby electronically monitoring andcontrolling wheel slippage.

■ Integrated Brake Controller (IBC).Combines ARC and TCS, reducing thenumber of electronic components andelectrical lines.

Integration.

1 Electronic Technician

2 Cat Data Link System

3 Engine Control Module

4 Engine

5 Transmission Chassis Control

6 Automatic Retarder Control,Traction Control System andIntegrated Brake Controller

7 Caterpillar ElectronicMonitoring System

8 Transmission

9 Oil-cooled Brakes

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Oil-Cooled, Rear Disc BrakesRear braking lets the operator concentrate on the haul road.

Multiple Disc Brakes. Caterpillar forcedoil-cooled, multiple disc brakes arecontinuously cooled for exceptional,fade-resistant braking and retarding.The optional ARC and TCS utilize theoil-cooled rear brakes to enhance truckperformance and increase productivity.

Oil Cooled Disc Brakes. Are designedand built for reliable, adjustment-freeoperation providing superiorperformance and service life incomparison to shoe-type and dry-discsystems.

Oil Film. An oil film prevents directcontact between the discs. Absorbingthe braking forces by shearing oil andcarrying heat away, this design extendsbrake life.

Secondary Braking. Spring applied,hydraulically released, oil-cooled discbrakes are located on the rear axle.The front brakes will activate as partof the secondary system, even ifswitched out of service.

Parking Brakes. Spring applied,hydraulically released parking brakesuse wet disc brakes in service system.A toggle switch activates theparking brakes.

Pistons. A Caterpillar patented, two-piston design combines the service,secondary and parking brakes, alongwith retarding functions.The primary piston hydraulicallyactuates both service and retardingfunctions. The secondary piston isspring-applied and held in thedisengaged position by hydraulicpressure. If hydraulic system pressuredrops below a certain level, the spring-applied secondary piston automaticallyapplies the brakes.

Brakes.

1 Parking/Secondary Piston

2 Service/Retarding Piston

3 Friction Discs

4 Steel Plates

5 Actuating Springs

6 Cooling Oil In

7 Cooling Oil Out

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Integrated Braking Control (IBC)Electronically combines Automatic Retarding Control (ARC) and the Traction ControlSystem (TCS) into one integrated control system.

Automatic Retarder Control (Optional).The ARC electronically controls brakingon grade to maintain approximately2230 engine rpm (engine rpm isadjustable from 2160-2300 rpmin increments of 10 rpm). ARC isdeactivated when the operator appliesthe brakes or throttle.

Engine Overspeed Protection. With theaccelerator depressed and/or ARCturned off, ARC will automaticallyactivate at 2475 rpm to help avoidpotentially destructive and often costlyengine overspeeds.

ARC Benefits.■ Increased operating efficiency with

faster downhill speeds. Bymaintaining consistently higherengine speeds, average truck speedwill be higher than a manuallycontrolled truck.

■ Excellent controllability and reducedoperator effort. Automatic brakemodulation provides a smoother rideover manual modulation, allowingthe operator to focus more on truckoperation down the haul road.

■ Improved component life, optimizedsystem cooling capability andreduced torque fluctuations resultfrom ARC’s precision.

■ Faster troubleshooting and diagnosiswith self-diagnostic capability andthe ability to communicate with ETthrough the Cat Data Link System.

■ Operator awareness throughelectronic integration and CEMS,alerting the operator to overspeedconditions and critical machinefunctions.

Traction Control System (Optional).Monitors wheel slip so if it exceedsthe set limit, the oil-cooled disc brakesare automatically applied to slow thespinning wheel.

Operator Awareness. An on-dashindicator shows the operator that TCSis engaged.

Differential Action. Utilizes normaldifferential action to provide superiormaneuvering in poor underfootconditions. Also reduces tire scuffing ascompared to positive lock differentialsused on other systems.

Torque. TCS divides torque equallyto reduce stress created on final drivesand axles when torque is transferredto one side.

System Back-up. Should sensors fail,the normal differential action is stillavailable to maintain control andsteering.

ARC Operating Efficiency Advantages

*

10Time (Seconds)

20 30 40 50 60

Automatic Retarder Control(Maintains Engine rpm between 2160-2300)

Manual Retarder Control(Wide Variation in Engine rpm)

* Optimum Engine rpm

Engi

ne S

peed

(rpm

)

700

Cat Retarding System. When retarding,the engine runs against compression ondownhill hauls, resulting in no fuel burn.Retarding forces and heat are absorbedthrough the oil. The retarding systemgenerates lower drive line stresses thandrive line retarding systems.

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StructuresThe backbone of the Cat off-highway truck.

Box-Section Design. The 775Eframe uses a box section design,incorporating 20 castings in highstress areas with deep penetratingand continuous wrap-aroundwelding. Mild steel, which providesflexibility, durability and resistanceto impact loads even in cold climatesis used throughout.

Castings. Castings have large radiiwith internal reinforcing ribs todissipate stress. Castings move weldsto lower stress areas and provide twoto three times the strength ofequivalent sized fabricatedstructures.

Frame Features. Include:■ Integral front bumper.■ Front box beams for suspension

cylinder and ROPS support.■ Box-section rear crossmember for

body and ROPS support withattachment points for maintenanceplatform and rear engine hoodhinge support.

■ Castings are used to provideadditional strength in critical stressareas.

■ Mild steel plates (290 MPaminimum yield strength) andcastings (241 MPa minimum yieldstrength) provide flexibility,durability and easy fieldmaintenance.

Frame Serviceability. The box-section frameallows simple access to power traincomponents. This open design reduces overallremoval and installation time, lowering repaircosts. Transmission access is excellent underthe raised and pinned body. Repairs can bemade without preheating in ambienttemperatures 16°C using readily availablewelding supplies.

Rollover Protection Structure (ROPS). The ROPS attaches securely to four castingswelded into the frame.

Suspension System. Designed to dissipatehaul road and loading impacts for extendedframe life. Four, independent, self-contained,oil pneumatic, variable-rebound, suspensioncylinders absorb shocks. Rear cylinders allowaxle oscillation and absorb the bending andtwisting stresses. Front cylinders, mounted tothe frame, serve as steering kingpins,providing excellent maneuverability andreduced maintenance. Caster and camberare preset.

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Body OptionsCaterpillar builds a variety of rugged, durable bodies to perform in the toughestapplications.

18 Degree Ducktail and 9 DegreeForward Body Slope. Retains theload on grades up to 15 percent andhigher. This design also helpsmaintain proper load distribution.

2 Flat Floor Quarry Body and FlatFloor Lined Body. Offers uniformdumping into hoppers, crushersand feeders.■ Flat floor design improves wear

characteristics of body tail.■ 12 degree forward body floor

slope■ Choice of 400 Brinell steel or

HARDOX 400 steel

Design. 775E bodies are designed tohelp you obtain the lowest cost-per-tonhauling solution in a variety of materialconditions and densities.

Sidewall and Floor Junctions.Are joined by five-sided beams to resistimpact loading and sustained haulingstresses.

Box-Section Beams. Offer increaseddurability in the floor, sidewalls, toprail, corner and cab canopy areas.

400 Brinell Steel or HARDOX 400 Steel.Wear surfaces provide excellent wearresistance and are easily welded withoutpreheating procedures. 400 Brinell steelis used in the dual slope constructionbody and flat floor lined body. The flat floor quarry body is made from HARDOX 400 steel.

Two-Stage Hoist Cylinders. Providefast dump cycle times of 9.5 secondsfor Raise and 12.5 seconds for Lower.

Standard Body. Comes exhaust heated with options including a full-time muffleror exhaust diverter.

Custom Attachments. Including tailextensions, liner packages, sideboards and other custom designs are offeredto help ensure rated payload.

1 Dual-Slope Body. Offers the lowest cost-per-ton option in most constructionand mining applications.

Dual-Slope Body Performance. Efficientunder most haul road conditions, but itsstrength comes from higher levels ofproduction in sites with rough haul roadsand steeper grades.

Body Floor Construction. Uses an eightdegree “V” bottom for increased loadretention, a low center of gravity andreduced shock loading. It also aids incentering the load.

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Operator StationControl ease and comfort maximizes productivity.

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5 Visibility. Exceptional all-aroundviewing area reduces fatigue andimproves productivity.

6 Integral, Sound-SuppressedROPS/FOPS Cab. Is resilientlymounted providing a quiet,protected work environment.

Radio-Ready. The cab is radio-readywith speakers, wiring harness,antenna and mounting bracket.

7 Front Brake Cut-Out Switch. Increases front brake componentlife.

8 Large Storage Compartment. 0.10 m3

of space is located under thetrainer’s seat.

9 Trainer’s Seat. Includes back restand retractable seat belt.

10 Caterpillar Electronic MonitoringSystem (CEMS). Provides criticaldata. The system features threeseparate displays:■ Four-gauge cluster with coolant

temperature, oil temperature,brake air pressure, fuel level.

■ Tachometer, digital speedometer/actual gear indicator.

■ Message center module.

11 Standard Heater and Optional AirConditioner. Includes four-speed fanand nine vents.

12 Foot Pedals. Ergonomicallydesigned for increased operatorcomfort.

13 Electric Power Window. For simplified operation.

775E Operator Station. Rated highlyby operators. Everything needed fortop performance is at the operator’sfingertips.

1 Wraparound Dash Panel. Offers aneasy line-of-sight arrangement, usingLED backlit rocker switches.

2 Caterpillar Contour Series AirSuspension Seat. Standard and fullyadjustable, including an adjustableright-hand armrest.

3 Tilt/Telescoping Steering Wheel.With ergonomic grip improvescomfort and control. Low effortsteering system and ergonomicallydesigned retarder lever reducesoperator fatigue. Also includes anenhanced turn signal lever with highbeam actuator and electric windshieldwiper controls.

4 Transmission Console. Has LEDbacklit gear numbers and ergonomicshift knob.

15 Truck Production ManagementSystem (TPMS) (Optional).Provides payload and cycle time data.■ Cat developed technology utilizes

strut pressure sensors and an on-board microprocessor todetermine payload weight.

■ Accurate under normal loading to within ± five percent over anormal operating shift.

■ Delivers consistent accuratepayloads and improves efficiencyby minimizing overloading andunderloading.– On-board computer stores

1400 cycles for further analysisof payload weight, cyclesegment times, cycle segmentdistances and actual clock timeand date of each cycle.

– External lights signal loadingtool operator when payload isreached.

– Internal troubleshooting andfault recording for easiermaintenance.

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14 Electrohydraulic Hoist Lever. Is fingertip actuated and provideslow impact body-down snubbing.

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Serviceability/Total Customer SupportPurchase of a Caterpillar machine includes a total commitment to customer support.

Cat QuickEvacTM System.An exclusive Caterpillar on-board engineoil evacuation and prelubrication system.

Automated Engine Oil Change. A new, state of the art on-board systemevacuates engine sump in less than oneminute and allows for purge of oilfilters prior to removal, minimizing oilspills. It delivers new oil throughprimary filters for filtered protectionand ensures new filters are correctlyfilled following routine oil change.

Contamination Control.Environmentally efficient, clean oilchanges are ensured since engine sumpis evacuated directly into PM trucks orwaste containers with flush faced, quickdisconnects for fast evacuation and fill.This eliminates handling of waste oil,minimizes chances of oil spillage andenhances Contamination Control effortsby ensuring complete filtration of newoil on engine refill.

Complete Engine Prelubrication.Provides engine oil pressure prior toengine cranking. Reduces engine drystart wear and risk of cold starts forincreased protection of key enginecomponents. Also provides expandedlow temperature range for 15W40motor oils.

Improved Serviceability and MachineAvailability. Reduces time to completeengine service (changing engine oil, oilfilters, fuel filter, air cleaner) by asmuch as 30 to 50 percent. Improves theability to schedule engine services atprescribed hours, allows for servicingduring normal working hours andintegrates easily with PM trucks tofurther reduce total cycle time of engineservice.

Machine Platform. Provides access toair tanks, brake master cylinder andmake-up tank; engine oil level; airfilters; steering hydraulic tank; andbattery compartment.

1 QuickEvac Check Valve

2 Oil Flow

3 QuickEvac Bracket

4 QuickEvac/Prelube motor

5 QuickEvac Service Tool Assembly(available separately)

6 To Waste Oil Drain

7 Line to Oil Filter

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Ground Level Battery DisconnectSwitch. Facilitates safe, convenientservicing and maintenance.

On-Board Diagnostics. With CEMS,provides the machine operator witha three-category warning system andquick access to stored diagnostic data.

Off-Board Diagnostics. With ET, allowsservice technicians access to storeddiagnostics data reducing downtimeand lowering operating costs. ET storesengine parameter information such astiming, throttle position and fuel flow.Transmission data is available throughET via access to the Cat Data LinkSystem.

Radial Seal Filters. Are easy to change,reducing air filter maintenance times.

Vertical, Spin-on Oil Filters. Provide forsimplified servicing.

Quick Coupler Pressure Taps. Locatedin all hydraulic systems provide clear,quick pressure checks. S•O•SSM oilanalysis points make oil samplingquick, clean and easy.

Sealed Electrical Connectors. Lockoutdust and moisture. Color-coded wiringis standard for the entire Cat productline.

Machine Management Service.Cat Dealers help manage equipmentinvestments with:■ Vehicle systems analysis to help

match the right machine to the job.■ Preventative maintenance programs.■ S·O·S oil analysis and technical

analysis programs.■ Repair option analysis.■ Training for operators and mechanics.■ TPMS data analysis.

Parts Availability. The Caterpillarworldwide computer network locatesparts instantly to minimize machinedowntime.

Literature Support. Caterpillar manualsare easy to use and help provide the fullvalue of an equipment investment.

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Machine Configuration Options.Caterpillar offers a variety of machineconfiguration options to help meetcustomer needs.

Body Options. Include a full line ofstandard and custom designs based onspecific customer preference, materialdensity, loading tool and site conditions.

Tire Options. A full line of standard andcustom designs based on specificcustomer preference, material density,loading tool and site condition.

Attachments. Give the customer optionsto tailor trucks for specific applicationrequirements, including:■ Truck Production Management

System.■ Automatic Retarder Control.■ Traction Control System.■ Custom product offerings.■ Muffler/exhaust diverter.

System Approach. The Caterpillarsystem approach means increasedefficiencies through common design.Haul trucks, loaders, excavators,tractors, engines for generator sets andpumps – all designed by Caterpillar –use common components, parts anddesign. Commonality reduces customerparts stock, improves parts availability,reduces training/maintenance andimproves diagnostics. This systemapproach adds up to lower cost-per-ton.Dealer support is available to addresscustomer needs regardless of thecomponent.

Caterpillar Product Analysis Team(PAT). Combined with Caterpillarsoftware programs can assist customerswith detailed, application evaluation.

Loader Match. Designed to work as partof a system, the 775E is best matched tothe following Caterpillar loaders:■ 988G – 5-6 pass/match.■ 990 II – 4 pass/match.■ 992G – 3 pass/match.■ 5130B – 3-4 pass/match.

Systems/ApplicationsThe 775E is designed for versatility.

17775E Off-Highway Truck specifications

Body Hoists

Pump flow

high idle 562 L/min

Relief valve setting

raise 17 225 kPa

lower 3445 kPa

Body raise time

high idle 9.5 Seconds

Body power down

high idle 12.5 Seconds

■ Twin, two-stage, hydraulic cylindersmounted inside the main frame,double acting in second stage.

■ Power raise in both stages and powerdown in second stage.

Suspension

Effective cylinder stroke

front 209 mm

rear 149 mm

Rear axle oscillation ±8°

SteeringMeet ISO 5010-1992

■ Turning diameter per ISO 7457-1997is 21.7 m.

■ Machine clearance diameter per ISO 7457-1997 (E) is 23.8 m.

■ Steering angle (left or right) is 31 degrees.

■ Separate hydraulic system preventscross contamination.

■ Steering wheel effort is low and cycletimes are reduced with dynamic, loadsensing, variable displacement piston-type steering pump.

Brakes

Brake surface

front 1395 cm2

rear 61 265 cm2

■ Brakes meet ISO 3450:1996standards up to 108 400 kg grossoperating weight.

Final DrivesPlanetary, full-floating.

Ratio

Differential 3.64:1

Planetary 4.80:1

Total reduction 17.48:1

TransmissionMaximum travel speeds (standard 24.00-R35).

Forward km/h

1 10.0

2 13.9

3 18.7

4 25.1

5 34.0

6 45.9

7 65.8

Reverse 12.0

Engine

Cat 3412EGross Power 567 kW/760 hp

Flywheel Power 544 kW/730 hp

Net Power

ISO 9249 544 kW/730 hp

EEC 80/1269 544 kW/730 hp

Max. Torque 3447 Nm

Torque rise 33%

Bore 137 mm

Stroke 152 mm

Displacement 27 Liters

■ These ratings apply at 2000 rpmwhen tested under the specifiedstandard conditions for the specifiedstandard.

■ Net power advertised is the poweravailable at the flywheel when theengine is equipped with fan, aircleaner, muffler and alternator.

■ No derating required up to 2300 maltitude.

■ Complies with U.S. EnvironmentalProtection Agency Tier II emissionsregulations.

■ Complies with Stage II EU EmissionsDirective 97/68/EC.

Service Refill Capacities

Liters

Fuel Tank 700

Cooling System 151

Crankcase 68

Differentials and final drives 155

Steering

Tank 34

System (includes tank) 60

Brake/Hoist

Hydraulic tank 133

System (includes tank) 307

Torque converter/transmission

Sump 53

System (includes sump) 72

18 775E Off-Highway Truck specifications

Quarry Flat FloorApproximate Weights.

Gross vehicle 108 400 kg

Chassis 30 400 kg

Body 13 070 kg

Front axle

empty 44.3%

loaded 31.2%

Rear axle

empty 55.7%

loaded 68.8%

Capacity – 100% fill factorStruck 31.4 m3

Heaped 3:1 38.3 m3

Heaped 2:1 (SAE) 41.5 m3

Heaped 1:1 50.9 m3

Flat Floor LinedApproximate Weights.


Chassis 30 400 kg

Body 14 350 kg

Front axle

empty 44.3%

loaded 31.2%

Rear axle

empty 55.7%

loaded 68.8%


Heaped 3:1 37.8 m3


Heaped 1:1 50.3 m3

Dual-slopeApproximate Weights.


Chassis 30 400 kg

Body 10 800 kg

Standard liner 4450 kg

Front axle

empty 45.9%

loaded 31.6%

Rear axle

empty 54.1%

loaded 68.4%


Heaped 3:1 38.9 m3


Heaped 1:1 43.5 m3

TiresStandard: 24.00-R35 (E4)

■ Productive capabilities of the 775Eare such that, under certain jobconditions, Tkm/h capabilities ofstandard or optional tires could beexceeded and, therefore, limitproduction.

■ Caterpillar recommends the userevaluate all job conditions andconsult the tire manufacturer to makeproper tire selection.

ROPSROPS meets ISO 3741:1994

Rollover Protective Structure (ROPS) is offered by Caterpillar as standardequipment.

Sound

Exterior SoundWhen the optional attachment soundsuppression package is properlyinstalled and maintained, this machinecomplies with the European Directivefor Equipment Used Outdoors –2000/14/EC.

Operator SoundThe operator sound pressure levelmeasured according to the proceduresspecified in ISO 6394:1998 is less than79 dB(A) for the cab offered byCaterpillar when properly installed,maintained and tested with doors andwindows closed.

Weights

Gross Machine Weight 108 400 kg

Operating Specifications

SAE (2:1) Capacity 41.5 m3

Nominal Payload Capacity

Flat floor 63.2 tonnes


DimensionsAll dimensions are approximate.

Quarry Flat Floor Flat Floor Lined Dual-slope

empty

loaded

loaded

empty

empty

empty

empty

empty

loaded

1 8625 mm 8625 mm 8552 mm

2 1904 mm 1896 mm 1967 mm

3 6537 mm 6513 mm 6526 mm

4 8796 mm 8796 mm 8739 mm

5 3912 mm 3912 mm 3927 mm

6 660 mm 660 mm 673 mm

7 550 mm 550 mm 563 mm

8 2872 mm 2872 mm 2779 mm

9 4410 mm 4410 mm 4424 mm

10 4335 mm 4335 mm 4350 mm

11 3990 mm 3974 mm 3988 mm

Weights/Payload Calculation

Quarry Flat Floor Flat Floor Lined Dual-slopekg kg kg

Empty Chassis Weight 30 400 30 400 30 400

Fuel Correction 530 530 530

Optional Attachments Weight Debris Allowance (4% of chassis) +1210 +1210 +1210

Chassis Weight 32 140 32 140 32 140

Body Weight 13 070 14 350 10 880

Body Attachments Weight +0 +0 +4450

Total Empty Operating Weight 45 210 46 490 47 470

Target Payload +63 190 +61 910 +60 930

Gross Machine Operating Weight 108 400 108 400 108 400

* Operating width to r.h. mirror


Retarding Performance

The brake performance retarding curves shown in this sectionare for general guidance only. As each site has many uniqueenvironmental and operating conditions that will impactretarding performance, actual site performance could varyconsiderably from predicted performance. Users should use the retarding speed (gear) recommendations from these tables as a starting point for determining retarding performance andthen adjust retarding speeds to their site-specific conditions. In adjusting retarding performance to continuously changingenvironmental and site-specific conditions, users need toexercise care to maintain brake cooling and machinecontrollability at all times.

To determine brake retarding performance from retarding tables:1. Determine the total distance of all downhill grades

combined for a given haul profile. This total distancedetermines the appropriate retarding table (continuous or one of the grade distance tables) applicable to your haul profile.

2. Read from the appropriate gross weight down to percentfavorable effective grade. (For these retarding charts,effective grade equals the maximum grade of all downhillhaul segments minus rolling resistance – do not use anaverage grade value.)

Continuous Grade Length

0 20 40 60 80 100 120 140 kg x 1000

0 10 20 30 40 50 60 70 80 km/h

10%

5%

15%

20%

25%30%

5

4

3

2

1

67

Effe

ctiv

e G

rade

(Fav

orab

le)

Speed

Gross Weight

E – Empty Weight

L – Gross Machine Weight – 108 400 kg

1 – 1st Gear

2 – 2nd Gear

3 – 3rd Gear

4 – 4th Gear

5 – 5th Gear

6 – 6th Gear

7 – 7th Gear


Gross Weight

Speed

Grade Distance – 900 m

0 20 40 60 80 100 120 140 kg x 1000

0 10 20 30 40 50 60 70 80 km/h

10%

5%

15%

20%

25%30%

5

4

3

2

1

6

7

Effe

ctiv

e G

rade

(Fav

orab

le)

Gross Weight

Speed


0 20 40 60 80 100 120 140 kg x 1000

0 10 20 30 40 50 60 70 80 km/h

10%

5%

15%

20%

25%30%

4

3

2

1

5

76

Effe

ctiv

e G

rade

(Fav

orab

le)

Gross Weight

Speed


0 20 40 60 80 100 120 140 kg x 100

0 10 20 30 40 50 60 70 8

10%

5%

15%

20%

25%30%

5

4

3

2

1

6

7

0 km/h

Effe

ctiv

e G

rade

(Fav

orab

le)

Gross Weight

Speed


0 20 40 60 80 100 120 140 kg x 1000

0 10 20 30 40 50 60 70 80 km/h

10%

5%

15%

20%

25%30%

5

4

3

2

1

67 Ef

fect

ive

Gra

de (F

avor

able

)

3. From the intersection of the gross weight and effectivegrade line point, read horizontally to the appropriate gearcurve. the horizontal line intersects two gear curves, choosethe first gear curve that the horizontal line intersects(reading from right to left) and read the retarding speedperformance immediately below this point. If theintersection point falls on a vertical line between two gears,choose the lowest of the two gears to allow for higherengine rpm thus maximizing brake cooling capability.

4. Adjust recommended retarding speeds to site specific(environmental and operational) conditions. If the brakesystem overheats or specific site conditions dictate (tight turns, short steep grades, manual braking, etc.), reduce ground speed to allow the transmission to shift to the next lower speed range.


Gradeability/Speed/Rimpull

To determine gradeability performance: Read from gross weight down to the percentof total resistance. Total resistance equalsactual percent grade plus 1% for each 10 kg/metric ton of rolling resistance. From this weight-resistance point, readhorizontally to the curve with the highestobtainable gear, then down to maximumspeed. Usable rimpull will depend upontraction available and weight on drive wheels.

kg x1000

km/h

kg x 1000

5

2

6

1

4

3

LE

25%

5%

10%

15%

20%

30%1

7

0 10 20 30 40 50 60 70 80 90 100 110

0 10 20 30 40 50 60 70 80

0

10

20

30

40

Effe

ctiv

e G

rade

(Fav

orab

le)

Rim

pull

Speed

E – Empty Weight

L – Gross Machine Weight – 108 400 kg

Gross Weight

1 – 1st Gear

2 – 2nd Gear

3 – 3rd Gear

4 – 4th Gear

5 – 5th Gear

6 – 6th Gear

7 – 7th Gear

Torque Converter Drive

Direct Drive


Optional EquipmentWith approximate changes in operating weights.

Air conditioning 90

Automatic lube system 60

Automatic Retarder Control (ARC) 6

Clustered grease fittings 20

Engine coolant heater – 120-volt 3

Engine coolant heater – 240-volt 4

Ether starting aid 5

Exhaust diverter/muffler 93

Fuel heater kit 5

kg

Integrated brake control 56

Muffler 116

Spare rim 432 mm 390

Traction Control System (TCS) 50

Truck Production Management System (TPMS) 46

Wheel chocks 25

Wiggins fast fuel change 2

Wiggins high-speed oil change 1

kg

Standard EquipmentStandard and optional equipment may vary. Consult a Caterpillar Dealer for specifics.

Air horn, electricAir line dryerAlternator, 50-ampAuxiliary jump start receptacleBackup alarmBattery disconnect switch, ground levelBody mounting groupBrakes

Caliper disc (front)Oil disc (rear)ParkingSecondary

Brake (front) disconnect switchBrake heat exchangerBrake release motor for towingCab, ROPS

Caterpillar Contour Series airsuspension seat

Coat hookCupholderInsulated and sound-suppressedRadio-readyStorage compartmentSun visorTinted glass

Crankcase guardDiagnostic connection port, 24-voltDriveline guard

Electrical system, 24-voltElectronic Monitoring SystemFilters, spin-onGauges

Actual Gear IndicatorAir pressureBrake oil temperatureCoolant temperatureFuelHour meter, electricOdometerSpeedometerTachometer

Heater/defroster 11 070 kCalHoist lever, fingertip-actuatedLighting system

Backup lightDome/courtesy lightHazard and directional signals, LEDHeadlights, halogen, with dimmerStop/tail lights, LED

Mirrors, right and leftPower port, 24-voltPrecleanerQuickEvacTM System with Prelube

Reservoirs (separate)Brake/hoistSteeringTransmission/torque converter

RetarderRock ejectorsSeat belts, retractableSeat, passengerService platform, bolt-onStarting, electricSteering, automatic supplemental,

electricSteering wheel, padded, tilt, telescopicTires, 24.00-35, radialTow hooks, frontTow pin, rearTransmission, electronically controlled

automatic power shift withdownshift/reverse shift inhibitor,neutralizer during dumping, neutralstart switch, engine overspeedprotection, directional shiftmanagement, programmable top gear,body-up shift limiter, economy shiftmode and control throttle shifting

Vandalism protection locksWindow, electric power (operator)Windshield wipers and washer, electric

intermittent

775E Off-Highway Truck

HEHM54576 (12/2001) hr

www.CAT.com

© 2001 Caterpillar

®

Featured photos of machines may not always include standard equipment. See your Caterpillar Dealer for available options.

Materials and specifications are subject to change without notice.

off-highway truck · (heuitm). the heui is a proven high-pressure, direct injection fuel system....

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