SPECS / COMPARISON

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

Feature	Liebherr R974BExcavator	Caterpillar 385B LExcavator
Excavator Type	Large Excavator	Large Excavator
Weight	85200 kg	86350 kg
Horsepower	365 kW	383 kW
Digging Depth	1311 cm	1158 cm
Max Digging Depth	1311 cm	1158 cm
Max Reach Along Ground	210.3 cm	—
Max Digging Reach	1310.6 cm	1158.2 cm
Overall Length	1655.1 cm	—
Track Length	6248.4 cm	—
Length of Track on Ground	521.2 cm	—
Ground Clearance	67.1 cm	—
Tail Swing Radius	445.0 cm	—
Overall Width	435.9 cm	—
Undercarriage Width	362.7 cm	—
Engine Make	Kubota	Caterpillar
Engine Model	D9408 TI-E	3456
Net Power	365 kW	383 kW
Gross Power	373.8 kW	391.0 kW
Rated Power	1800 RPM	—
Hydraulic Pump Flow Capacity	496 LPM	—
Hydraulic System Capacity	1200.4 l	—
Relief Valve Pressure	340 Bar	—
Operating Weight	85200 kg	86350 kg
Max Travel Speed	2.9 km	4.5 km
Swing Speed	5.5 RPM	6.2 RPM
Cab Height	365.8 cm	—
Wheelbase	521.2 cm	—
Aspiration	Turbocharged	—
Swing Torque	260.0 Nm	—
Fuel Capacity	1280.2 l	1241.6 l
Operating Voltage	Operating Voltage 24 V	—
Ground Pressure	124.1 kPa	—
Number of Carrier Rollers per Side	2	3
Number of Track Rollers per Side	9	8
Number of Shoes per Side	2	47
Displacement	17201.5 cc	15797.1 cc
Shoe Size	60.2 cm	76.2 cm
No of Cylinders	8	—
Alternator	80 A	—
Hydraulic Pump Type	Pump Type Variable flow swash plate	—
Track Gauge	362.7 cm	—
Removal Counterweight Clearance	149.4 cm	—
Drawbar Pull	72.400 kg	60.342 kg
Cooling Capacity	—	101.1 l
Swing Drive Capacity	—	18.9 l
Engine Oil Capacity	—	79.9 l
Stroke	—	17.3 cm
Bore	—	14.2 cm
Source	heavyequipments.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