SPECS / COMPARISON
Liebherr R974B vs Komatsu PC800LC-8
A detailed comparison of the Liebherr R974B and the Komatsu PC800LC-8. Click a model name to view its full specifications.
Horsepower
Liebherr R974B365 kW (490 HP)
Komatsu PC800LC-8363 kW (487 HP)
Weight
Liebherr R974B85200 kg (187834 lbs)
Komatsu PC800LC-881601 kg (179900 lbs)
Operating Weight
Liebherr R974B85200 kg (187834 lbs)
Komatsu PC800LC-881601 kg (179900 lbs)
| Specification | Liebherr R974B Large Excavators | Komatsu PC800LC-8 Large Excavators |
|---|---|---|
| Excavator Type | Large Excavator | Large Excavator |
| Weight | 85200 kg (187834 lbs) | 81601 kg (179900 lbs) |
| Horsepower | 365 kW (490 HP) | 363 kW (487 HP) |
| Digging Depth | 1311 cm (516 in.) | 863 cm (340 in.) |
| Max Digging Depth | 1311 cm (516 in.) | 863 cm (340 in.) |
| Max Reach Along Ground | 210.3 cm (82.8 in.) | 1347.2 cm (530.4 in.) |
| Max Digging Reach | 1310.6 cm (516.0 in.) | — |
| Overall Length | 1655.1 cm (651.6 in.) | 1441.7 cm (567.6 in.) |
| Track Length | 6248.4 cm (2460.0 in.) | 6035.0 cm (2376.0 in.) |
| Length of Track on Ground | 521.2 cm (205.2 in.) | 502.9 cm (198.0 in.) |
| Ground Clearance | 67.1 cm (26.4 in.) | 85.3 cm (33.6 in.) |
| Tail Swing Radius | 445.0 cm (175.2 in.) | 442.0 cm (174.0 in.) |
| Overall Width | 435.9 cm (171.6 in.) | 399.3 cm (157.2 in.) |
| Undercarriage Width | 362.7 cm (142.8 in.) | — |
| Engine Make | Kubota | Komatsu |
| Engine Model | D9408 TI-E | SAA6D140E-5 |
| Net Power | 365 kW (490 HP) | 363 kW (487 HP) |
| Gross Power | 373.8 kW (501.3 HP) | 370 kw (496 hp) |
| Rated Power | 1800 RPM | 1800 RPM |
| Hydraulic Pump Flow Capacity | 496 LPM (131.1 GPM) | 988 LPM (261 GPM) |
| Hydraulic System Capacity | 1200.4 l (317.1 gal) | 440.2 l (116.3 gal) |
| Relief Valve Pressure | 340 Bar (4932 psi) | 343 Bar (4980 psi) |
| Operating Weight | 85200 kg (187834 lbs) | 81601 kg (179900 lbs) |
| Max Travel Speed | 2.9 km (1.8 mph) | 4.2 km (2.6 mph) |
| Swing Speed | 5.5 RPM | 6.8 RPM |
| Cab Height | 365.8 cm (144.0 in.) | 356.6 cm (140.4 in.) |
| Wheelbase | 521.2 cm (205.2 in.) | — |
| Aspiration | Turbocharged | Turbocharged, aftercooled |
| Swing Torque | 260.0 Nm (191.8 ft-lbs) | 283991.4 Nm (209461.0 ft-lbs) |
| Fuel Capacity | 1280.2 l (338.2 gal) | 980.0 l (258.9 gal) |
| Operating Voltage | Operating Voltage 24 V | Operating Voltage 24 V |
| Ground Pressure | 124.1 kPa (18.0 psi) | — |
| Number of Carrier Rollers per Side | 2 | 3 |
| Number of Track Rollers per Side | 9 | 9 |
| Number of Shoes per Side | 2 | 51 |
| Displacement | 17201.5 cc (1050 cu. in.) | 15240.0 cc (930 cu. in.) |
| Shoe Size | 60.2 cm (23.7 in.) | 81.0 cm (31.9 in.) |
| No of Cylinders | 8 | 6 |
| Alternator | 80 A | 75 A |
| Hydraulic Pump Type | Pump Type Variable flow swash plate | Pump Type Variable-capacity piston pumps |
| Track Gauge | 362.7 cm (142.8 in.) | 350.5 cm (138.0 in.) |
| Removal Counterweight Clearance | 149.4 cm (58.8 in.) | 155.4 cm (61.2 in.) |
| Drawbar Pull | 72.400 kg (159614.4 lbs) | 56.999 kg (125660 lbs) |
| Max Loading Height | — | 816.9 cm (321.6 in.) |
| Max Vertical Wall Digging Depth | — | 557.8 cm (219.6 in.) |
| Reference Bucket Capacity | — | 3.1 m2 (4.1 cu yds) |
| Cooling Capacity | — | 100.3 l (26.5 gal) |
| Swing Drive Capacity | — | 49.2 l (13.0 gal) |
| Engine Oil Capacity | — | 58.3 l (15.4 gal) |
| Transmission Type | — | Hydrostatic |
| Number of Forward Gears | — | 2 |
| Max Cutting Height | — | 1185.7 cm (466.8 in.) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.