SPECS / COMPARISON

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

Feature	Hitachi ZX70-3Excavator	Komatsu PC78US-6Excavator
Excavator Type	Mid-Size Excavator	Mid-Size Excavator
Weight	7000 kg	7067 kg
Horsepower	40 kW	40 kW
Digging Depth	418 cm	396 cm
Max Digging Depth	418 cm	396 cm
Max Loading Height	509.0 cm	—
Max Reach Along Ground	618.7 cm	—
Max Vertical Wall Digging Depth	374.9 cm	—
Overall Length	609.6 cm	—
Reference Bucket Capacity	0.3 m2	0.3 m2
Ground Clearance	36.6 cm	—
Tail Swing Radius	176.8 cm	—
Overall Width	234.7 cm	—
Engine Make	Isuzu	Komatsu
Engine Model	AU-4LE2X	S4D95LE-3
Net Power	40 kW	40 kW
Gross Power	44.2 kW	44.2 kW
Rated Power	2000 RPM	—
Hydraulic Pump Flow Capacity	144 LPM	—
Relief Valve Pressure	265 Bar	—
Operating Weight	7000 kg	7067 kg
Max Travel Speed	5.3 km	4.5 km
Displacement	2200.8 cc	3261.0 cc
Shoe Size	45.2 cm	—
No of Cylinders	4	4
Max Digging Reach	—	396.2 cm
Max Bucket Capacity	—	0.4 m2
Min Bucket Capacity	—	0.2 m2
Hydraulic System Capacity	—	110.2 l
Swing Speed	—	10 RPM
Cab Height	—	274.3 cm
Aspiration	—	Turbocharged
Fuel Capacity	—	124.9 l
Engine Oil Capacity	—	7.6 l
Number of Carrier Rollers per Side	—	1
Number of Track Rollers per Side	—	5
Number of Shoes per Side	—	39
Drawbar Pull	—	678.118 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