SPECS / COMPARISON

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

Feature	Komatsu PC78MR-6Excavator	Volvo ECR88BExcavator
Excavator Type	Mid-Size Excavator	Mid-Size Excavator
Weight	8270 kg	8500 kg
Horsepower	40 kW	43 kW
Digging Depth	418 cm	457 cm
Max Digging Depth	418 cm	457 cm
Max Loading Height	454.2 cm	512.1 cm
Max Reach Along Ground	698.0 cm	725.4 cm
Max Vertical Wall Digging Depth	292.6 cm	326.1 cm
Overall Length	621.8 cm	643.1 cm
Reference Bucket Capacity	0.3 m2	0.3 m2
Max Bucket Capacity	0.4 m2	—
Min Bucket Capacity	0.2 m2	—
Ground Clearance	36.6 cm	39.6 cm
Tail Swing Radius	143.3 cm	121.9 cm
Overall Width	234.7 cm	231.6 cm
Engine Make	Komatsu	Volvo
Engine Model	S4D95LE-3	D3.4
Net Power	40 kW	43 kW
Gross Power	44.2 kW	46.5 kW
Rated Power	1850 RPM	2100 RPM
Hydraulic Pump Flow Capacity	159 LPM	174 LPM
Hydraulic System Capacity	110.2 l	—
Relief Valve Pressure	265 Bar	330 Bar
Operating Weight	8270 kg	8500 kg
Max Travel Speed	4.3 km	5.1 km
Swing Speed	10 RPM	—
Cab Height	274.3 cm	—
Aspiration	Turbocharged, aftercooled	—
Cooling Capacity	10.6 l	—
Fuel Capacity	125.3 l	—
Engine Oil Capacity	7.6 l	—
Operating Voltage	Operating Voltage 24 V	—
Ground Pressure	37.2 kPa	—
Number of Carrier Rollers per Side	1	—
Number of Track Rollers per Side	5	—
Number of Shoes per Side	39	—
Displacement	3261.0 cc	3000.5 cc
Shoe Size	45.2 cm	45.2 cm
No of Cylinders	4	4
Max Cutting Height	658.4 cm	—
Alternator	25 A	—
Track Gauge	189.0 cm	—
Removal Counterweight Clearance	76.2 cm	—
Drawbar Pull	6.600 kg	—
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