bucket capacity: sk50srx 0.14 m3 sk58srx 0.16 m3

SK50SRX-7/SK58SRX-7

Complies with the EU Stage Vexhaust emission regulation

SK50SRX 0.14 m3

SK58SRX 0.16 m3SK50SRX 0.14 m3

SK58SRX 0.16 m3

SK50SRX 4,660–4,980 kgSK58SRX 5,080–5,440 kg

29.1 kW / 2,400 min-1

Bucket capacity:

Engine power:

Operating weight:

Enquiries To:

Note: This catalogue may contain attachments and optional equipment that are not available in your area. And it may contain photographs of machines with speci�cations that di�er from those of machines sold in your areas. Please consult your nearest KOBELCO distributor for those items you require.Specialist equipment is needed to use this machine in demolition work. Before using it please contact your KOBELCO dealer.Due to our policy of continuous product improvements all designs and speci�cations are subject to change without advance notice. Copyright by No part of this catalogue may be reproduced in any manner without notice.

Veluwezoom 151327 AE AlmereThe Netherlandswww.kobelco-europe.com

September 2021 | POD0410

Mini shovel SK50SRX/SK58SRX of KOBELCO has realised a completely new value by

harmonising PERFORMANCE – greater e�ciency and productivity with an increased power

and speed and DESIGN − operator-based operability and comfort, refusing to accept any

compromises. Its quality, which is undiminished by the mini excavator’s size, is one of

KOBELCO’s answers to the question of the mini excavator’s future.

KOBELCO continues its quest for innovation.

Mini shovel SK50SRX/SK58SRX of KOBELCO has realised a completely new value by

harmonising PERFORMANCE – greater e�ciency and productivity with an increased power

and speed and DESIGN − operator-based operability and comfort, refusing to accept any

compromises. Its quality, which is undiminished by the mini excavator’s size, is one of

KOBELCO’s answers to the question of the mini excavator’s future.

KOBELCO continues its quest for innovation.

UNFORGETTABLE COMFORTOur pursuit of functional beauty and aesthetic sense produced a new interior design.

Suspension seat A proven Grammer suspension seat is �tted as standard, o�ering a recliningmechanism, shock absorber, and excellent seating comfort.

Wrist rest The enlarged wrist rests keep the operator’s forearms in a stable position, reducing fatigue during operation, and allowing stable operation.

Smartphone holder/USB/AUX port

Air conditioner Additional air vents provide a uniform air �ow in front of and behind the operator and direct the air �ow onto the window, improving the defroster’s dehumidi�cation function.

Switches with LED backlights The switches and dials have LED backlights – they provide a bright, clear view in the dark and set a luxurious mood.

UNFORGETTABLE COMFORTOur pursuit of functional beauty and aesthetic sense produced a new interior design.

Suspension seat A proven Grammer suspension seat is �tted as standard, o�ering a recliningmechanism, shock absorber, and excellent seating comfort.

Wrist rest The enlarged wrist rests keep the operator’s forearms in a stable position, reducing fatigue during operation, and allowing stable operation.

Smartphone holder/USB/AUX port

Air conditioner Additional air vents provide a uniform air �ow in front of and behind the operator and direct the air �ow onto the window, improving the defroster’s dehumidi�cation function.

Switches with LED backlights The switches and dials have LED backlights – they provide a bright, clear view in the dark and set a luxurious mood.

DAB+ radio(FM/AM&AUX&Bluetooth®

& hands-free telephone)

Speaker 12V power outlet

Coat hook Cup holder LED door light

Slide-open window The window on the right side of the cab can be opened and closed both forwards and backwards to facilitate ventilation and make it easier to hear outside noise.

Easy access The shape of the access shutdown lever has been adapted and the door opens widely, o�ering excellent access.

FUNCTIONAL WORK ENVIRONMENTRealisation of the operator’s convenience and comfort.

Engine start passwordA password is required when starting the engine for greater security. The initial password must be set at our workshop.

Maintenance information Operation history

Energy Conservation Mode The SK50SRX/SK58SRX adapts S-mode which enables 26% (SK58SRX only) less fuel consumption compared with H-mode.

Auto deceleration switch

Auto deceleration switch installed as standard. Easy-to-use switch control.

Hydraulic �ow adjustment(Option) Rotation or N&B piping �ow can be selected from six preset types, or adjusted arbitrarily.

Colour monitorA colour display with good readability comes as standard and shows various information such as operating history, maintenance cycle, and fuel and water temperature gauges. It can also be used to adjust the hydraulic oil �ow to the attachments.

Lever angles allow for comfortable operationsThe operator can move the levers horizontally without twisting their wrist, which reduces the fatigue caused by the operations.

Proportional hand control lever for rotation & N&B piping (Option)Precise proportional controls are integrated into the joystick for ease of operation.

DAB+ radio(FM/AM&AUX&Bluetooth®

& hands-free telephone)

Speaker 12V power outlet

Coat hook Cup holder LED door light

Slide-open window The window on the right side of the cab can be opened and closed both forwards and backwards to facilitate ventilation and make it easier to hear outside noise.

Easy access The shape of the access shutdown lever has been adapted and the door opens widely, o�ering excellent access.

FUNCTIONAL WORK ENVIRONMENTRealisation of the operator’s convenience and comfort.

Engine start passwordA password is required when starting the engine for greater security. The initial password must be set at our workshop.

Maintenance information Operation history

Energy Conservation Mode The SK50SRX/SK58SRX adapts S-mode which enables 26% (SK58SRX only) less fuel consumption compared with H-mode.

Auto deceleration switch

Auto deceleration switch installed as standard. Easy-to-use switch control.

Hydraulic �ow adjustment(Option) Rotation or N&B piping �ow can be selected from six preset types, or adjusted arbitrarily.

Colour monitorA colour display with good readability comes as standard and shows various information such as operating history, maintenance cycle, and fuel and water temperature gauges. It can also be used to adjust the hydraulic oil �ow to the attachments.

Lever angles allow for comfortable operationsThe operator can move the levers horizontally without twisting their wrist, which reduces the fatigue caused by the operations.

Proportional hand control lever for rotation & N&B piping (Option)Precise proportional controls are integrated into the joystick for ease of operation.

EXPERIENCING A COMPETENT PERFORMANCE

Smoother operation The new hydraulic system improves levelling performance and makes levelling work easier than with conventional machines when heavier attachments are installed.

By replacing the travel motor and swivel joint, the travel speed is increased.

By replacing the spool, the power loss is reduced, resulting in higher digging and swing speeds.

Digging cycle time

Shortened by 11% (SK58SRX)

(Compared to previous models)

Hill-climbing speed

Faster by 10% (SK58SRX)

Travel speed

(Compared to previous models with two speeds)

The new hydraulic systemCompared to previous models, the new hydraulic system is signi�cantly improved, which thereby shortens the digging cycle time remarkably. It attains high performances without reducing the speed even when a heavy load is applied or when travelling on a slope.

Left Travel

Boom Swing

Right Travel Dozer

No.1 Pump No.2 Pump No.3 Pump

Digging

Bucket

Engine

Integrated-Flow Pump SystemThe instant the machine begins to dig, extra output from the third pump (which otherwise powers the swing and dozer circuit) is directed to the arm circuit and boom circuit (raise) for added power. This ensures fast and smooth arm and boom raising operation even under heavy loads.

Only SK58SRX.SK50SRX does not direct output from No.3 pump to the bucket.

EXPERIENCING A COMPETENT PERFORMANCE

Smoother operation The new hydraulic system improves levelling performance and makes levelling work easier than with conventional machines when heavier attachments are installed.

By replacing the travel motor and swivel joint, the travel speed is increased.

By replacing the spool, the power loss is reduced, resulting in higher digging and swing speeds.

Digging cycle time

Hill-climbing speed

Travel speed

(Compared to previous models with two speeds)

The new hydraulic systemCompared to previous models, the new hydraulic system is signi�cantly improved, which thereby shortens the digging cycle time remarkably. It attains high performances without reducing the speed even when a heavy load is applied or when travelling on a slope.

Left Travel

Boom Swing

Right Travel Dozer

No.1 Pump No.2 Pump No.3 Pump

Digging

Bucket

Engine

Integrated-Flow Pump SystemThe instant the machine begins to dig, extra output from the third pump (which otherwise powers the swing and dozer circuit) is directed to the arm circuit and boom circuit (raise) for added power. This ensures fast and smooth arm and boom raising operation even under heavy loads.

Only SK58SRX.SK50SRX does not direct output from No.3 pump to the bucket.

Min. swing radiusat boom swing(SK50SRX (Cab) / SK58SRX with standard arm)

COMPACT, YET,BIG PERFORMANCE

VERSATILITY

Dozer-blade shapeKOBELCO’s unique blade design solves this problem by forming the earth into an arc that always falls forward. Because this prevents earth from falling behind the blade, only “one pass” is needed.

Angle dozer (Option)

Short tail swing The compact tail swing improves operating e�ciency in limited space.

Wide working range A larger boom and arm are provided as standard equipment to ensure a wide working range.

Tail overhang:

190 mm (290 mm)

5,970 mm (SK50SRX)

6,460 mm (SK58SRX)

Easy hydraulic piping for quick hitch (Option)Various attachments, such as the bucket, can be easily mounted and dismounted without leaving the cab, increasing working speed.

Dozer lever The shape and angle of the dozerlever have been improved to make it easier to grip, and the �rst and second speed switches have been moved to the dozer lever to improve manoeuvrability when dozing. With the front dozer speci�cation, functions can be switched on and o� conveniently.

Floating dozer (Option)A �oating dozer is �tted as optional equipment, contributing to easy levelling work.

The boom, arm and swing bracket all have large cross-section segments for added attachment strength.

RELIABLE CONSTRUCTION

Forged boom top Boom cylinder guard

Plate type pin

Swing bracketLarge, thick cast-iron swing bracket/front bracket.

DozerBox construction dozer supports provide greater strength.

BucketCast-iron idler link provides greater strength.

Hydraulic hosing The hydraulic hosing is housed inside the swing bracket.

Bolt-tightened pinsBolt-tightened pins �rmly lock the boom to prevent the boom top from opening laterally.

Figure in ( ) shows the value of with additional counterweight.

Figures above show the value for cab with long arm spec.

*SK50SRX (Canopy) is 1,810 mm.

1,850 mm

Min. swing radiusat boom swing(SK50SRX (Cab) / SK58SRX with standard arm)

COMPACT, YET,BIG PERFORMANCE

VERSATILITY

Dozer-blade shapeKOBELCO’s unique blade design solves this problem by forming the earth into an arc that always falls forward. Because this prevents earth from falling behind the blade, only “one pass” is needed.

Angle dozer (Option)

Short tail swing The compact tail swing improves operating e�ciency in limited space.

Wide working range A larger boom and arm are provided as standard equipment to ensure a wide working range.

Tail overhang:

190 mm (290 mm)

5,970 mm (SK50SRX)

6,460 mm (SK58SRX)

Easy hydraulic piping for quick hitch (Option)Various attachments, such as the bucket, can be easily mounted and dismounted without leaving the cab, increasing working speed.

Dozer lever The shape and angle of the dozerlever have been improved to make it easier to grip, and the �rst and second speed switches have been moved to the dozer lever to improve manoeuvrability when dozing. With the front dozer speci�cation, functions can be switched on and o� conveniently.

Floating dozer (Option)A �oating dozer is �tted as optional equipment, contributing to easy levelling work.

The boom, arm and swing bracket all have large cross-section segments for added attachment strength.

RELIABLE CONSTRUCTION

Forged boom top Boom cylinder guard

Plate type pin

Swing bracketLarge, thick cast-iron swing bracket/front bracket.

DozerBox construction dozer supports provide greater strength.

BucketCast-iron idler link provides greater strength.

Hydraulic hosing The hydraulic hosing is housed inside the swing bracket.

Bolt-tightened pinsBolt-tightened pins �rmly lock the boom to prevent the boom top from opening laterally.

Figure in ( ) shows the value of with additional counterweight.

Figures above show the value for cab with long arm spec.

*SK50SRX (Canopy) is 1,810 mm.

1,850 mm

EASY MAINTENANCE

Pre fuel �lter with built-in water separator

Air cleanerHigh-grade fuel �lter

Instruction manual storage box

Hour meter Air conditioner �lterfor outer air intake

Air conditioner �lter for internal air circulation

Easy Access to Engine Compartment

Easy Access to Component Inside the Cab

iNDr �lterLaid out for easy access to radiator and cooling system.

Easy Access to Cooling Unit

NON-STOP OPERATION BY iNDr

iNDr+EThe iNDr+E system on the SK50SRX/SK58SRX features air intake at the front of the machine and air exhaust underneath. It functions in the same way as the iNDr system on the SR series machines, but also directs the mu�er exhaust underneath.The exhaust is further slowed down and cooled through the o�set duct and then discharged into the atmosphere.

The o�set duct slows down exhaust from the mu�er and engine cooling fan.

Down exhaust

Intake

iNDr Filter

Ultimate low noise KOBELCO’s exclusive iNDr Cooling System delivers amazingly quiet operation.

The position of the pre fuel �lter has been changed to make it more accessible.

96 dBSound Power Level

The iNDr �lter has a high-density mesh of 30 lines per inch to collect dust.

Easy daily maintenance that saves the trouble of inspection and cleaning.

EASY MAINTENANCE

Pre fuel �lter with built-in water separator

Air cleanerHigh-grade fuel �lter

Instruction manual storage box

Hour meter Air conditioner �lterfor outer air intake

Air conditioner �lter for internal air circulation

Easy Access to Engine Compartment

Easy Access to Component Inside the Cab

iNDr �lterLaid out for easy access to radiator and cooling system.

Easy Access to Cooling Unit

NON-STOP OPERATION BY iNDr

iNDr+EThe iNDr+E system on the SK50SRX/SK58SRX features air intake at the front of the machine and air exhaust underneath. It functions in the same way as the iNDr system on the SR series machines, but also directs the mu�er exhaust underneath.The exhaust is further slowed down and cooled through the o�set duct and then discharged into the atmosphere.

The o�set duct slows down exhaust from the mu�er and engine cooling fan.

Down exhaust

Intake

iNDr Filter

Ultimate low noise KOBELCO’s exclusive iNDr Cooling System delivers amazingly quiet operation.

The position of the pre fuel �lter has been changed to make it more accessible.

96 dBSound Power Level

The iNDr �lter has a high-density mesh of 30 lines per inch to collect dust.

Easy daily maintenance that saves the trouble of inspection and cleaning.

Standard and Optional Equipment

ENGINE

HYDRAULIC SYSTEM

UNDERCARRIAGE

WORKING EQUIPMENT

LIGHTS

SAFETY EQUIPMENT

OTHERS

Auto decelarationAccelerator dialEnergy Conservation ModeEngine start passwordN&B pipingRotation & N&B pipingQH pipingFoot control (for N&B piping)PHC (for N&B piping) with hydraulic �ow adjustmentPHC (for Rotation & N&B piping) with hydraulic �ow adjustmentCab (ROPS/TOPS/OPG level 1)* Canopy (ROPS/TOPS/OPG level 1)* Front guard**Top guard**Suspension seat (Canopy: PVC / Cab: fabric)Retractable seatbeltAir conditioner**DAB+ radio (FM/AM & AUX & USB & Bluetooth® & hands free telephone)**Multi-function colour displayCup holderSmartphone holder**LED door light**USB/AUX port**12V power outletCoat hook**Emergency exit hammer**400 mm rubber shoe400 mm steel shoeStandard boom (2.71 m)Standard boom (2.99 m)Standard arm (1.55 m)Standard arm (1.69 m)Long arm (1.69 m)Long arm (1.92 m)Standard dozerFloating dozerAngle dozerLED working light on boomLED working light on Cab/CanopyOHK (safety valve for boom & arm cylinder + lifting hook + overload alarm)Travel alarmRear view mirror (left)Rear under mirror (rear right)Standard counterweightAdditional counterweight (+250 kg)Boom cylinder rod guardArm & bucket cylinder rod guardRefuelling pumpHydraulic oil VG32Hydraulic oil VG46Hydraulic oil VG68RAL color

Category Description

= Std = Opt = N/A

SK50SRX-7 SK58SRX-7

* ROPS (ISO 3471: 2008) / TOPS (ISO 12117: 1997) / OPG (ISO 10262: 1998)** Only for Cab

Note: Figures in the above table show the value with standard arm (SK50SRX: 1.55 m, SK58SRX: 1.69 m) specs.Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.The air conditioning system on this machine contains �uorinated greenhouse gas HFC-134a (GWP 1430). Quantity of gas 0.7 kg (CO2 equivalent 0.9 t).Bluetooth® is a registered trademark of the Bluetooth SIG Inc.

Safety valve for boom cylinder (Option)

Safety valve for arm cylinder (Option)

Good visibility The wiper mount has been moved to the upper right of the cab support and the skylight opening has been enlarged, improving visibility to the front and above.

Rear view mirror (Option)

Rear under mirror (Option)

Hammer for emergency exit

OPERATOR SAFETY

Reliable cab/canopy structureThe high-strength cab/canopy meets ROPS, TOPS and OPG Level 1 (Top guard) standards for greater operator safety.

LED work lightWork light is mounted under the boom to protect from damage.

Accumulator for emergency attachment loweringAn installed accumulator allows the attachment to be safely lowered to the ground using in-cab controls in the event of an unexpected engine shut-down and class leading smooth operation.

Standard and Optional Equipment

ENGINE

HYDRAULIC SYSTEM

UNDERCARRIAGE

WORKING EQUIPMENT

LIGHTS

SAFETY EQUIPMENT

OTHERS

Auto decelarationAccelerator dialEnergy Conservation ModeEngine start passwordN&B pipingRotation & N&B pipingQH pipingFoot control (for N&B piping)PHC (for N&B piping) with hydraulic �ow adjustmentPHC (for Rotation & N&B piping) with hydraulic �ow adjustmentCab (ROPS/TOPS/OPG level 1)* Canopy (ROPS/TOPS/OPG level 1)* Front guard**Top guard**Suspension seat (Canopy: PVC / Cab: fabric)Retractable seatbeltAir conditioner**DAB+ radio (FM/AM & AUX & USB & Bluetooth® & hands free telephone)**Multi-function colour displayCup holderSmartphone holder**LED door light**USB/AUX port**12V power outletCoat hook**Emergency exit hammer**400 mm rubber shoe400 mm steel shoeStandard boom (2.71 m)Standard boom (2.99 m)Standard arm (1.55 m)Standard arm (1.69 m)Long arm (1.69 m)Long arm (1.92 m)Standard dozerFloating dozerAngle dozerLED working light on boomLED working light on Cab/CanopyOHK (safety valve for boom & arm cylinder + lifting hook + overload alarm)Travel alarmRear view mirror (left)Rear under mirror (rear right)Standard counterweightAdditional counterweight (+250 kg)Boom cylinder rod guardArm & bucket cylinder rod guardRefuelling pumpHydraulic oil VG32Hydraulic oil VG46Hydraulic oil VG68RAL color

Category Description

= Std = Opt = N/A

SK50SRX-7 SK58SRX-7

* ROPS (ISO 3471: 2008) / TOPS (ISO 12117: 1997) / OPG (ISO 10262: 1998)** Only for Cab

Note: Figures in the above table show the value with standard arm (SK50SRX: 1.55 m, SK58SRX: 1.69 m) specs.Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.The air conditioning system on this machine contains �uorinated greenhouse gas HFC-134a (GWP 1430). Quantity of gas 0.7 kg (CO2 equivalent 0.9 t).Bluetooth® is a registered trademark of the Bluetooth SIG Inc.

Safety valve for boom cylinder (Option)

Safety valve for arm cylinder (Option)

Good visibility The wiper mount has been moved to the upper right of the cab support and the skylight opening has been enlarged, improving visibility to the front and above.

Rear view mirror (Option)

Rear under mirror (Option)

Hammer for emergency exit

OPERATOR SAFETY

Reliable cab/canopy structureThe high-strength cab/canopy meets ROPS, TOPS and OPG Level 1 (Top guard) standards for greater operator safety.

LED work lightWork light is mounted under the boom to protect from damage.

Accumulator for emergency attachment loweringAn installed accumulator allows the attachment to be safely lowered to the ground using in-cab controls in the event of an unexpected engine shut-down and class leading smooth operation.

Bucket digging forceArm crowding force 19.7

35.620.9 24.8 22.5

Operating weight & ground pressure

Shaped Steel shoe Rubber shoe Steel shoe Rubber shoe Steel shoe Rubber shoe Steel shoe Rubber shoeShoe width Overall width of crawler Ground pressure Operating weight

In standard trim, with standard boom, standard arm, and 0.14 m3 (100 kg) – 0.16 m3 (110 kg) bucket.

Dimensions

Working rangesUnit: m

Unit: mm

4001,960

EngineModel YANMAR 4TNV88C-PYBD

No. of cylindersBore and strokeDisplacement

Rated power output

Max. torque

Four-stroke, water-cooled, direct injectiondiesel engine, complies with EU Stage V exhaust emission regulation

488 mm x 90 mm2.189 L27.7 kW/2,400 min-1 (ISO 9249: with fan)

29.1 kW/2,400 min-1 (ISO 14396: without fan)

136.8 N.m/1,560 min-1 (ISO 9249: with fan)

139.1 N.m/1,560 min-1 (ISO 14396: without fan)

Hydraulic system

Relief valve setting

Two variable displacement axial piston pumps+ one gear pump + pilot pump

2 x 49.9 L /min1 x 33.8 L /min 1 x 10.8 L/min

23.0 MPa 23.0 MPa20.1 MPa 22.0 MPa3.5 MPa Gear type11-spoolAir cooled type

Swing systemSwing motor

Parking brakeSwing speedTail swing radiusSwing torque

One �xed displacement piston motor

Wet multiple plate8.5 min-1

1,170 mm12.4 kN.m

Hydraulic; locking automatically when theswing control lever is in the neutral position

Travel systemTravel motorsTravel brakesParking brakesTravel shoes

Two variable displacement piston motorsHydraulic brake Wet multiple plate38 each side4.2/2.2 km/h (rubber shoe) 3.9/2.1 km/h (steel shoe) 4.5/2.4 km/h (rubber shoe) 4.2/2.2 km/h (steel shoe) 54.7 kN54.5 kN58% {30°}

96 dB(A)79 dB(A)

Cab & controlCab

ControlTwo hand levers and two foot pedals for travelTwo hand levers for excavating and swingElectric rotary-type engine throttleFoot control (for boom swing)Foot control (for N&B piping)Dozer lever

All-weather, sound-suppressed steel cab mounted on the silicon-sealedviscous mounts and equipped with a heavy, insulated �oor mat

Noise levelsExternalOperator

1.69 m arm 1.92 m arm

h,h’

1234567 m

Digging force (ISO 6015) Unit: kN

SK50SRX SK58SRXSK58SRXModel

Arm length 1.69 m1.55 m 1.92 m1.69 mCab Canopy Cab Canopy Cab Canopy Cab Canopy

a- Max. digging reach

b- Max. digging reach at ground level

c- Max. digging depthd- Max. digging heighte- Max. dumping clearancef- Min. dumping clearance

g- Max. vertical wall digging depth

h- Min. swing radius at boom straighth’-Min. swing radius at boom swing

i- Horizontal digging stroke at ground level

j- Digging depth for 2.4 m (8') �at bottom

k- Dozer blade (height/depth) (mm)

5.664.081.51

5.754.161.56

3.895.954.371.59

5.744.161.37

5.834.241.42

4.126.104.521.36

SK50SRX SK58SRXModel

Arm length 1.69 m1.55 m 1.92 m1.69 m

Speci�cations

5,280 (SK50SRX 1.55 m arm)5,290 (SK50SRX 1.69 m arm)5,500 (SK58SRX 1.69 m arm)5,530 (SK58SRX 1.92 m arm)

1,7601,940

2,9302,5001,960

1,560400

150 (SK58SRX)125 (SK50SRX) 59°

R1,170

R1,270*

20 (SK58SRX)0 (SK50SRX)

70°2,000

*Figures in the above tables show the value with 0.14–0.16 m3 bucket. Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.

465/335

SK50SRX SK58SRXCab Canopy Cab Canopy

*Additional counterweight (+250 kg)

Gradeability

Boom, arm and bucketTravel circuitSwing circuitBlade circuitControl circuitPilot control circuitMain control valvesOil cooler

Max. discharge �ow2 x 53 L /min1 x 33.8 L /min 1 x 10.8 L/min

Travel speed

Drawbar pulling force

SK50SRX

SK58SRX

SK50SRX

SK58SRX

Boom, arm & bucket

Boom cylinderArm cylinderBucket cylinderSwing cylinder

80 mm x 702 mm100 mm x 699 mm

90 mm x 716 mm

Re�lling capacities & lubricationsFuel tankCooling systemEngine oilTravel reduction gear

Hydraulic oil tank

75 L8.5 L7.5 L2 x 0.8 L27.9 L tank oil level59 L hydraulic system

bore x stroke

Dozer blade Dozer cylinderDimensionWorking range

90 mm x 200 mm1,960 mm (width) x 345 mm (height)465 mm (up) x 335 mm (down)

SK50SRX SK58SRX

90 mm x 564 mm

100 mm x 695 mm 100 mm x 702 mm

Cab Canopy Cab Canopy

75 mm x 546 mm

mmmmkPakg

* Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.

Bucket digging forceArm crowding force 19.7

35.620.9 24.8 22.5

Operating weight & ground pressure

Shaped Steel shoe Rubber shoe Steel shoe Rubber shoe Steel shoe Rubber shoe Steel shoe Rubber shoeShoe width Overall width of crawler Ground pressure Operating weight

In standard trim, with standard boom, standard arm, and 0.14 m3 (100 kg) – 0.16 m3 (110 kg) bucket.

Dimensions

Working rangesUnit: m

Unit: mm

4001,960

EngineModel YANMAR 4TNV88C-PYBD

No. of cylindersBore and strokeDisplacement

Rated power output

Max. torque

Four-stroke, water-cooled, direct injectiondiesel engine, complies with EU Stage V exhaust emission regulation

488 mm x 90 mm2.189 L27.7 kW/2,400 min-1 (ISO 9249: with fan)

29.1 kW/2,400 min-1 (ISO 14396: without fan)

136.8 N.m/1,560 min-1 (ISO 9249: with fan)

139.1 N.m/1,560 min-1 (ISO 14396: without fan)

Hydraulic system

Relief valve setting

Two variable displacement axial piston pumps+ one gear pump + pilot pump

2 x 49.9 L /min1 x 33.8 L /min 1 x 10.8 L/min

23.0 MPa 23.0 MPa20.1 MPa 22.0 MPa3.5 MPa Gear type11-spoolAir cooled type

Swing systemSwing motor

Parking brakeSwing speedTail swing radiusSwing torque

One �xed displacement piston motor

Wet multiple plate8.5 min-1

1,170 mm12.4 kN.m

Hydraulic; locking automatically when theswing control lever is in the neutral position

Travel systemTravel motorsTravel brakesParking brakesTravel shoes

Two variable displacement piston motorsHydraulic brake Wet multiple plate38 each side4.2/2.2 km/h (rubber shoe) 3.9/2.1 km/h (steel shoe) 4.5/2.4 km/h (rubber shoe) 4.2/2.2 km/h (steel shoe) 54.7 kN54.5 kN58% {30°}

96 dB(A)79 dB(A)

Cab & controlCab

ControlTwo hand levers and two foot pedals for travelTwo hand levers for excavating and swingElectric rotary-type engine throttleFoot control (for boom swing)Foot control (for N&B piping)Dozer lever

All-weather, sound-suppressed steel cab mounted on the silicon-sealedviscous mounts and equipped with a heavy, insulated �oor mat

Noise levelsExternalOperator

1.69 m arm 1.92 m arm

h,h’

1234567 m

Digging force (ISO 6015) Unit: kN

SK50SRX SK58SRXSK58SRXModel

Arm length 1.69 m1.55 m 1.92 m1.69 mCab Canopy Cab Canopy Cab Canopy Cab Canopy

a- Max. digging reach

b- Max. digging reach at ground level

c- Max. digging depthd- Max. digging heighte- Max. dumping clearancef- Min. dumping clearance

g- Max. vertical wall digging depth

h- Min. swing radius at boom straighth’-Min. swing radius at boom swing

i- Horizontal digging stroke at ground level

j- Digging depth for 2.4 m (8') �at bottom

k- Dozer blade (height/depth) (mm)

5.664.081.51

5.754.161.56

3.895.954.371.59

5.744.161.37

5.834.241.42

4.126.104.521.36

SK50SRX SK58SRXModel

Arm length 1.69 m1.55 m 1.92 m1.69 m

Speci�cations

5,280 (SK50SRX 1.55 m arm)5,290 (SK50SRX 1.69 m arm)5,500 (SK58SRX 1.69 m arm)5,530 (SK58SRX 1.92 m arm)

1,1702,

1,7601,940

2,9302,5001,960

1,560400

150 (SK58SRX)125 (SK50SRX) 59°

R1,170

R1,270*

20 (SK58SRX)0 (SK50SRX)

70°2,000

*Figures in the above tables show the value with 0.14–0.16 m3 bucket. Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.

465/335

SK50SRX SK58SRXCab Canopy Cab Canopy

*Additional counterweight (+250 kg)

Gradeability

Boom, arm and bucketTravel circuitSwing circuitBlade circuitControl circuitPilot control circuitMain control valvesOil cooler

Max. discharge �ow2 x 53 L /min1 x 33.8 L /min 1 x 10.8 L/min

Travel speed

Drawbar pulling force

SK50SRX

SK58SRX

SK50SRX

SK58SRX

Boom, arm & bucket

Boom cylinderArm cylinderBucket cylinderSwing cylinder

80 mm x 702 mm100 mm x 699 mm

90 mm x 716 mm

Re�lling capacities & lubricationsFuel tankCooling systemEngine oilTravel reduction gear

Hydraulic oil tank

75 L8.5 L7.5 L2 x 0.8 L27.9 L tank oil level59 L hydraulic system

bore x stroke

Dozer blade Dozer cylinderDimensionWorking range

90 mm x 200 mm1,960 mm (width) x 345 mm (height)465 mm (up) x 335 mm (down)

SK50SRX SK58SRX

90 mm x 564 mm

100 mm x 695 mm 100 mm x 702 mm

Cab Canopy Cab Canopy

75 mm x 546 mm

mmmmkPakg

* Regarding bucket capacity, 0.14 m3 in this catalogue is equivalent to 0.12 m3 in ISO07451 and 0.16 m3 in this catalogue is equivalent to 0.13 m3 in ISO0745.

Lift capacities

1. Do not attempt to lift or hold any load that is greater than these lift capacities at their speci�ed lift point radius and heights. Weight of all accessories must be deducted from the above lift capacities.

2. Lift capacities are based on machine standing on level, �rm, and uniform ground. User must make allowance for job conditions such as soft or uneven ground, out of level conditions, side loads, sudden stopping of

loads, hazardous conditions, experience of personnel, etc.

3. Arm top de�ned as lift point.

4. The above lift capacities are in compliance with ISO 10567. They do not exceed 87% of hydraulic lift capacity or 75% of tipping load. Lift capacities marked with an asterisk(*) are limited by hydraulic

capacity rather than tipping load.

5. Operator should be fully acquainted with the Operator’s and Maintenance Instructions before operating this machine. Rules for safe operation of equipment should be adhered to at all times.

6. Lift capacities apply to only machine as originally manufactured and normally equipped by KOBELCO CONSTRUCTION MACHINERY CO., LTD.

Rating over front

Rating over side

A: Reach from swing centreline to arm topB: Arm top height above/below groundC: Lift point Bucket: Without Dozer: Blade upRelief valve setting: 23.0 MPa

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,2602,4702,520

*1,580

*1,6201,6301,5801,5801,600

1,4301,3201,2701,2701,290

*930*1,000

1,1201,0701,0301,0201,050

*930970930880850840860

810790770760

680670640630

*1,040970790710680700790

1,020*1,190

*1,040820660590570590660840

*1,190

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

1.0 m 2.0 m 3.0 m 4.0 m 5.0 m At Max. Reach

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360

3,330*2,180

*1,300*2,3602,470

*2,180

*1,4301,6401,5701,5501,570

*1,280

*1,4301,3201,2601,2401,260

*1,280

*820*900

1,1201,0601,0201,0101,020

*820*900

930880840830840

810790760750740

680660640620620

*940880730660640650720900

*1,220

*940740610550530540600740

*1,220

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,260*2,5902,860

*1,580

*1,6201,8501,7901,7901,820

1,6101,5001,4501,4501,470

*930*1,000*1,220

1,2101,1701,1701,190

*930*1,0001,0501,010

970970990

910900880860

770760740720

*1,040*1,000

890800780800900

1,150*1,190

*1,040920750680660680750960

*1,190

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360*3,650*2,180

*1,300*2,360

2,810*2,180

*1,4301,8501,7801,7701,790

*1,280

*1,4301,5001,4401,4201,440

*1,280

*820*900

*1,1301,2001,1601,1501,160

*820*900

1,0501,000

960950960

910890870850850

770750730710710

*940*930

830750730750820

1,020*1,220

*940840700630610630690850

*1,220

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,2602,5702,620

*1,580

*1,6201,7001,6501,6401,670

1,4801,3701,3201,3201,340

*930*1,000

1,1601,1101,0801,0701,090

*930*1,000

970920890880900

840830800790

710690670660

*1,040*1,000

820740710730820

1,060*1,190

*1,040850690620600610680870

*1,190

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,3603,460

*2,180

*1,300*2,360

2,570*2,180

*1,4301,7001,6301,6201,640

*1,280

*1,4301,3701,3101,2901,310

*1,280

*820*900

*1,1301,1101,0701,0501,070

*820*900

970910880860870

840820800780770

710690660650640

*940920760690660680750940

*1,220

*940770640570550570620780

*1,220

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,260*2,5902,960

*1,580

*1,6201,9101,8601,8501,880

*1,6201,5501,5001,5001,520

*930*1,000*1,2201,2501,2201,2101,230

*930*1,0001,0901,0401,0101,0001,020

950930910890

800780760750

*1,040*1,000

920830810830930

1,200*1,190

*1,040950780700680700780990

*1,190

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360*3,650*2,180

*1,300*2,360

2,910*2,180

*1,4301,9201,8501,8301,850

*1,280

*1,4301,5501,4901,4801,490

*1,280

*820*900

*1,1301,2501,2101,1901,210

*820*900

1,0901,0401,000

9901,000

*930930900880880

800780760740740

*940*930860780750770860

1,060*1,220

*940870720660630650720880

*1,220

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700

*1,3902,1702,230

*1,1701,5301,4301,3801,3801,410

*1,1701,2501,1601,1201,1101,140

1,000960930900900

840810770750740

660 560

*860770680660680790

850650570550570660920

SK50SRX Canopy A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,5102,570

*1,170*1,7101,6401,6001,5901,630

*1,1701,4301,3401,3001,2901,320

1,1401,1101,0701,0401,040

960930890870870

770 650

*860*790790760790910

*860750670640670760

SK50SRX Canopy A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

2.84 m4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,5602,940

*1,4202,1402,200

1,5401,4301,3701,3701,400

1,2601,1601,1101,1001,130

*1,0001,000

970920890890

840840810770740730

680660

570560

*1,020*780*720660630650750

*1,020*780620550530550620840

SK50SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkgkg

2.84 m4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560*3,240

*1,4202,4802,540

*1,6101,6401,5901,5801,610

1,4401,3401,2901,2801,310

*1,000*1,100

1,1101,0701,0401,030

970960930890860860

780770

660650

*1,020*780*720*720

730760870

*1,020*780*720640620640730980

SK50SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,2602,320

*1,1701,5901,4901,4401,4401,480

*1,1701,3001,2101,1601,1601,190

1,0401,010

970940940

870840800780780

700 580

*860*790

710690710820

*860680600580600680960

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560

*1,4202,2402,290

1,6001,4901,4401,4301,460

1,3101,2101,1601,1501,180

*1,0001,0401,010

970940930

880870840800770770

710690

600580

*780*720690660680780

*780650580550570650880

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,6002,660

*1,170*1,7101,7001,6601,6601,690

*1,1701,4801,3901,3501,3401,370

*1,1601,1501,1101,0801,080

990960930900900

800 680

*860*790*790790820950

*860780690670690790

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560*3,240

*1,420*2,560

*1,610*1,7101,6501,6401,670

1,4901,3901,3401,3301,360

*1,000*1,1001,1501,1101,0801,070

*1,0001,000

960920900890

810800

690670

*780*720*720760790900

*780*720670640670750

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

Arm: 1.69 m Standard counterweight Rubber shoe: 400 mm

Arm: 1.55 m Additional counterweight (+250 kg) Rubber shoe: 400 mm

Arm: 1.69 m Additional counterweight (+250 kg) Rubber shoe: 400 mm Arm: 1.92 m Additional counterweight (+250 kg) Rubber shoe: 400 mm

Arm: 1.69 m Standard counterweight Rubber shoe: 400 mm Arm: 1.69 m Standard counterweight Rubber shoe: 400 mm

Lift capacities

1. Do not attempt to lift or hold any load that is greater than these lift capacities at their speci�ed lift point radius and heights. Weight of all accessories must be deducted from the above lift capacities.

2. Lift capacities are based on machine standing on level, �rm, and uniform ground. User must make allowance for job conditions such as soft or uneven ground, out of level conditions, side loads, sudden stopping of

loads, hazardous conditions, experience of personnel, etc.

3. Arm top de�ned as lift point.

4. The above lift capacities are in compliance with ISO 10567. They do not exceed 87% of hydraulic lift capacity or 75% of tipping load. Lift capacities marked with an asterisk(*) are limited by hydraulic

capacity rather than tipping load.

5. Operator should be fully acquainted with the Operator’s and Maintenance Instructions before operating this machine. Rules for safe operation of equipment should be adhered to at all times.

6. Lift capacities apply to only machine as originally manufactured and normally equipped by KOBELCO CONSTRUCTION MACHINERY CO., LTD.

Rating over front

Rating over side

A: Reach from swing centreline to arm topB: Arm top height above/below groundC: Lift point Bucket: Without Dozer: Blade upRelief valve setting: 23.0 MPa

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,2602,4702,520

*1,580

*1,6201,6301,5801,5801,600

1,4301,3201,2701,2701,290

*930*1,000

1,1201,0701,0301,0201,050

*930970930880850840860

810790770760

680670640630

*1,040970790710680700790

1,020*1,190

*1,040820660590570590660840

*1,190

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360

3,330*2,180

*1,300*2,3602,470

*2,180

*1,4301,6401,5701,5501,570

*1,280

*1,4301,3201,2601,2401,260

*1,280

*820*900

1,1201,0601,0201,0101,020

*820*900

930880840830840

810790760750740

680660640620620

*940880730660640650720900

*1,220

*940740610550530540600740

*1,220

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,260*2,5902,860

*1,580

*1,6201,8501,7901,7901,820

1,6101,5001,4501,4501,470

*930*1,000*1,220

1,2101,1701,1701,190

*930*1,0001,0501,010

970970990

910900880860

770760740720

*1,040*1,000

890800780800900

1,150*1,190

*1,040920750680660680750960

*1,190

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360*3,650*2,180

*1,300*2,360

2,810*2,180

*1,4301,8501,7801,7701,790

*1,280

*1,4301,5001,4401,4201,440

*1,280

*820*900

*1,1301,2001,1601,1501,160

*820*900

1,0501,000

960950960

910890870850850

770750730710710

*940*930

830750730750820

1,020*1,220

*940840700630610630690850

*1,220

SK58SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,2602,5702,620

*1,580

*1,6201,7001,6501,6401,670

1,4801,3701,3201,3201,340

*930*1,000

1,1601,1101,0801,0701,090

*930*1,000

970920890880900

840830800790

710690670660

*1,040*1,000

820740710730820

1,060*1,190

*1,040850690620600610680870

*1,190

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,3603,460

*2,180

*1,300*2,360

2,570*2,180

*1,4301,7001,6301,6201,640

*1,280

*1,4301,3701,3101,2901,310

*1,280

*820*900

*1,1301,1101,0701,0501,070

*820*900

970910880860870

840820800780770

710690660650640

*940920760690660680750940

*1,220

*940770640570550570620780

*1,220

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.38 m4.48 m5.07 m5.37 m5.44 m5.27 m4.86 m4.09 m2.52 m

*2,080*3,210

*1,260*2,590*3,350*1,580

*1,260*2,5902,960

*1,580

*1,6201,9101,8601,8501,880

*1,6201,5501,5001,5001,520

*930*1,000*1,2201,2501,2201,2101,230

*930*1,0001,0901,0401,0101,0001,020

950930910890

800780760750

*1,040*1,000

920830810830930

1,200*1,190

*1,040950780700680700780990

*1,190

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.77 m4.75 m5.31 m5.60 m5.66 m5.50 m5.11 m4.40 m3.07 m

*1,820*2,790

*1,300*2,360*3,650*2,180

*1,300*2,360

2,910*2,180

*1,4301,9201,8501,8301,850

*1,280

*1,4301,5501,4901,4801,490

*1,280

*820*900

*1,1301,2501,2101,1901,210

*820*900

1,0901,0401,000

9901,000

*930930900880880

800780760740740

*940*930860780750770860

1,060*1,220

*940870720660630650720880

*1,220

SK58SRX Cab A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m-3.0 m

kgkgkgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700

*1,3902,1702,230

*1,1701,5301,4301,3801,3801,410

*1,1701,2501,1601,1201,1101,140

1,000960930900900

840810770750740

660 560

*860770680660680790

850650570550570660920

SK50SRX Canopy A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,5102,570

*1,170*1,7101,6401,6001,5901,630

*1,1701,4301,3401,3001,2901,320

1,1401,1101,0701,0401,040

960930890870870

770 650

*860*790790760790910

*860750670640670760

SK50SRX Canopy A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

2.84 m4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,5602,940

*1,4202,1402,200

1,5401,4301,3701,3701,400

1,2601,1601,1101,1001,130

*1,0001,000

970920890890

840840810770740730

680660

570560

*1,020*780*720660630650750

*1,020*780620550530550620840

SK50SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkgkg

2.84 m4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560*3,240

*1,4202,4802,540

*1,6101,6401,5901,5801,610

1,4401,3401,2901,2801,310

*1,000*1,100

1,1101,0701,0401,030

970960930890860860

780770

660650

*1,020*780*720*720

730760870

*1,020*780*720640620640730980

SK50SRX Canopy A

B Radius

5.0 m4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,2602,320

*1,1701,5901,4901,4401,4401,480

*1,1701,3001,2101,1601,1601,190

1,0401,010

970940940

870840800780780

700 580

*860*790

710690710820

*860680600580600680960

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560

*1,4202,2402,290

1,6001,4901,4401,4301,460

1,3101,2101,1601,1501,180

*1,0001,0401,010

970940930

880870840800770770

710690

600580

*780*720690660680780

*780650580550570650880

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

3.97 m4.65 m4.98 m5.05 m4.87 m4.41 m3.51 m

*2,020 *2,020*1,390*2,700*2,990

*1,3902,6002,660

*1,170*1,7101,7001,6601,6601,690

*1,1701,4801,3901,3501,3401,370

*1,1601,1501,1101,0801,080

990960930900900

800 680

*860*790*790790820950

*860780690670690790

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

4.13 m4.78 m5.10 m5.17 m4.99 m4.55 m3.69 m

*1,870*2,900

*1,420*2,560*3,240

*1,420*2,560

*1,610*1,7101,6501,6401,670

1,4901,3901,3401,3301,360

*1,000*1,1001,1501,1101,0801,070

*1,0001,000

960920900890

810800

690670

*780*720*720760790900

*780*720670640670750

SK50SRX Cab A

B Radius

4.0 m3.0 m2.0 m1.0 m G.L. -1.0 m-2.0 m

kgkgkgkgkgkgkg

Arm: 1.69 m Additional counterweight (+250 kg) Rubber shoe: 400 mm Arm: 1.92 m Additional counterweight (+250 kg) Rubber shoe: 400 mm

Arm: 1.69 m Standard counterweight Rubber shoe: 400 mm Arm: 1.69 m Standard counterweight Rubber shoe: 400 mm

SK50SRX-7/SK58SRX-7

Complies with the EU Stage Vexhaust emission regulation

SK50SRX 0.14 m3

SK58SRX 0.16 m3SK50SRX 0.14 m3

SK58SRX 0.16 m3

SK50SRX 4,660–4,980 kgSK58SRX 5,080–5,440 kg

29.1 kW / 2,400 min-1

Bucket capacity:

Engine power:

Operating weight:

Enquiries To:

Note: This catalogue may contain attachments and optional equipment that are not available in your area. And it may contain photographs of machines with speci�cations that di�er from those of machines sold in your areas. Please consult your nearest KOBELCO distributor for those items you require.Specialist equipment is needed to use this machine in demolition work. Before using it please contact your KOBELCO dealer.Due to our policy of continuous product improvements all designs and speci�cations are subject to change without advance notice. Copyright by No part of this catalogue may be reproduced in any manner without notice.

Veluwezoom 151327 AE AlmereThe Netherlandswww.kobelco-europe.com

September 2021 | POD0410

bucket capacity: sk50srx 0.14 m3 sk58srx 0.16 m3

Documents