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SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureLiebherr R974BExcavatorKobelco SK850LC-9Excavator
Excavator TypeLarge ExcavatorLarge Excavator
Weight85200 kg82600 kg
Horsepower365 kW380 kW
Digging Depth1311 cm832 cm
Max Digging Depth1311 cm832 cm
Max Reach Along Ground210.3 cm1319.8 cm
Max Digging Reach1310.6 cm1350.3 cm
Overall Length1655.1 cm1.190 cm
Track Length6248.4 cm—
Length of Track on Ground521.2 cm—
Ground Clearance67.1 cm88.4 cm
Tail Swing Radius445.0 cm457.2 cm
Overall Width435.9 cm—
Undercarriage Width362.7 cm—
Engine MakeKubota—
Engine ModelD9408 TI-E—
Net Power365 kW380 kW
Gross Power373.8 kW388.7 kW
Rated Power1800 RPM1800 RPM
Hydraulic Pump Flow Capacity496 LPM—
Hydraulic System Capacity1200.4 l856.3 l
Relief Valve Pressure340 Bar330 Bar
Operating Weight85200 kg82600 kg
Max Travel Speed2.9 km4.3 km
Swing Speed5.5 RPM7.3 RPM
Cab Height365.8 cm365.8 cm
Wheelbase521.2 cm—
AspirationTurbocharged—
Swing Torque260.0 Nm—
Fuel Capacity1280.2 l960.4 l
Operating VoltageOperating Voltage 24 VOperating Voltage 24 V
Ground Pressure124.1 kPa97.2 kPa
Number of Carrier Rollers per Side2—
Number of Track Rollers per Side9—
Number of Shoes per Side251
Displacement17201.5 cc12913.0 cc
Shoe Size60.2 cm—
No of Cylinders8—
Alternator80 A60 A
Hydraulic Pump TypePump Type Variable flow swash platePump Type Three variable displacement pumps and one gear pump
Track Gauge362.7 cm359.7 cm
Removal Counterweight Clearance149.4 cm—
Drawbar Pull72.400 kg64.957 kg
Max Vertical Wall Digging Depth—493.8 cm
Min swing radius—6888.5 cm
Overall Width Upper Structure—368.8 cm
Cooling system—Water Cooled
Max Torque—2120.1 Nm
Cooling Capacity—74.2 l
Engine Oil Capacity—54.1 l
Bore—13.7 cm
Max Dumping Clearance—844.3 cm
Min Dumping Clearance—432.8 cm
Bucket Digging Force—39.259 kg
Bucket Digging Force(SAE)—44.052 kg
Bucket Digging Force(ISO)—41.095 kg
Arm Crowd Force(ISO)—35.792 kg
Arm Crowd Force(SAE)—30.592 kg
Arm Crowd Force—34.467 kg
Max Cutting Height—1237.5 cm
Torque Power—1350 RPM
Gradeability—0.7
Battery—2 x 12 V
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051