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SPECS / COMPARISON

Komatsu PC78MR-6 vs Volvo ECR88B

A detailed comparison of the Komatsu PC78MR-6 and the Volvo ECR88B. Click a model name to view its full specifications.

Horsepower
Komatsu PC78MR-640 kW (54 HP)
Volvo ECR88B43 kW (57 HP)
Weight
Komatsu PC78MR-68270 kg (18232 lbs)
Volvo ECR88B8500 kg (18739 lbs)
Operating Weight
Komatsu PC78MR-68270 kg (18232 lbs)
Volvo ECR88B8500 kg (18739 lbs)
SpecificationKomatsu PC78MR-6Komatsu PC78MR-6Mid-Size ExcavatorsVolvo ECR88BVolvo ECR88BMid-Size Excavators
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight8270 kg (18232 lbs)8500 kg (18739 lbs)
Horsepower40 kW (54 HP)43 kW (57 HP)
Digging Depth418 cm (164 in.)457 cm (180 in.)
Max Digging Depth418 cm (164 in.)457 cm (180 in.)
Max Loading Height454.2 cm (178.8 in.)512.1 cm (201.6 in.)
Max Reach Along Ground698.0 cm (274.8 in.)725.4 cm (285.6 in.)
Max Vertical Wall Digging Depth292.6 cm (115.2 in.)326.1 cm (128.4 in.)
Overall Length621.8 cm (244.8 in.)643.1 cm (253.2 in.)
Reference Bucket Capacity0.3 m2 (0.4 cu yds)0.3 m2 (0.4 cu yds)
Max Bucket Capacity0.4 m2 (0.5 cu yds)—
Min Bucket Capacity0.2 m2 (0.2 cu yds)—
Ground Clearance36.6 cm (14.4 in.)39.6 cm (15.6 in.)
Tail Swing Radius143.3 cm (56.4 in.)121.9 cm (48.0 in.)
Overall Width234.7 cm (92.4 in.)231.6 cm (91.2 in.)
Engine MakeKomatsuVolvo
Engine ModelS4D95LE-3D3.4
Net Power40 kW (54 HP)43 kW (57 HP)
Gross Power44.2 kW (59.3 HP)46.5 kW (62.3 HP)
Rated Power1850 RPM2100 RPM
Hydraulic Pump Flow Capacity159 LPM (42.3 GPM)174 LPM (46 GPM)
Hydraulic System Capacity110.2 l (29.1 gal)—
Relief Valve Pressure265 Bar (3841 psi)330 Bar (4787 psi)
Operating Weight8270 kg (18232 lbs)8500 kg (18739 lbs)
Max Travel Speed4.3 km (2.7 mph)5.1 km (3.2 mph)
Swing Speed10 RPM—
Cab Height274.3 cm (108.0 in.)—
AspirationTurbocharged, aftercooled—
Cooling Capacity10.6 l (2.8 gal)—
Fuel Capacity125.3 l (33.1 gal)—
Engine Oil Capacity7.6 l (2.0 gal)—
Operating VoltageOperating Voltage 24 V—
Ground Pressure37.2 kPa (5.4 psi)—
Number of Carrier Rollers per Side1—
Number of Track Rollers per Side5—
Number of Shoes per Side39—
Displacement3261.0 cc (199 cu. in.)3000.5 cc (183 cu. in.)
Shoe Size45.2 cm (17.8 in.)45.2 cm (17.8 in.)
No of Cylinders44
Max Cutting Height658.4 cm (259.2 in.)—
Alternator25 A—
Track Gauge189.0 cm (74.4 in.)—
Removal Counterweight Clearance76.2 cm (30.0 in.)—
Drawbar Pull6.600 kg (14550 lbs)—

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

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