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

FeatureLiebherr R974BExcavatorCaterpillar 385C LExcavator
Excavator TypeLarge ExcavatorLarge Excavator
Weight85200 kg84130 kg
Horsepower365 kW395 kW
Digging Depth1311 cm716 cm
Max Digging Depth1311 cm716 cm
Max Reach Along Ground210.3 cm1228.3 cm
Max Digging Reach1310.6 cm—
Overall Length1655.1 cm1347.2 cm
Track Length6248.4 cm6126.5 cm
Length of Track on Ground521.2 cm512.1 cm
Ground Clearance67.1 cm91.4 cm
Tail Swing Radius445.0 cm460.2 cm
Overall Width435.9 cm350.5 cm
Undercarriage Width362.7 cm—
Engine MakeKubotaCaterpillar
Engine ModelD9408 TI-EC18 ACERT
Net Power365 kW395 kW
Gross Power373.8 kW395 kw
Rated Power1800 RPM1800 RPM
Hydraulic Pump Flow Capacity496 LPM977 LPM
Hydraulic System Capacity1200.4 l995.2 l
Relief Valve Pressure340 Bar320 Bar
Operating Weight85200 kg84130 kg
Max Travel Speed2.9 km4.5 km
Swing Speed5.5 RPM6.5 RPM
Cab Height365.8 cm378.0 cm
Wheelbase521.2 cm—
AspirationTurbocharged—
Swing Torque260.0 Nm—
Fuel Capacity1280.2 l1240.1 l
Operating VoltageOperating Voltage 24 V—
Ground Pressure124.1 kPa—
Number of Carrier Rollers per Side23
Number of Track Rollers per Side99
Number of Shoes per Side251
Displacement17201.5 cc18124.1 cc
Shoe Size60.2 cm75.2 cm
No of Cylinders8—
Alternator80 A—
Hydraulic Pump TypePump Type Variable flow swash plate—
Track Gauge362.7 cm353.6 cm
Removal Counterweight Clearance149.4 cm158.5 cm
Drawbar Pull72.400 kg60.367 kg
Max Loading Height—807.7 cm
Max Vertical Wall Digging Depth—466.3 cm
Reference Bucket Capacity—3.0 m2
Max Bucket Capacity—5.4 m2
Cooling Capacity—101.1 l
Swing Drive Capacity—19.3 l
Engine Oil Capacity—65.1 l
Stroke—18.3 cm
Bore—14.7 cm
Max Cutting Height—1255.8 cm
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