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

FeatureKomatsu PC78MR-6ExcavatorYanmar VIO80-1AExcavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight8270 kg8226 kg
Horsepower40 kW41 kW
Digging Depth418 cm469 cm
Max Digging Depth418 cm469 cm
Max Loading Height454.2 cm—
Max Reach Along Ground698.0 cm729.1 cm
Max Vertical Wall Digging Depth292.6 cm—
Overall Length621.8 cm—
Reference Bucket Capacity0.3 m2—
Max Bucket Capacity0.4 m2—
Min Bucket Capacity0.2 m2—
Ground Clearance36.6 cm39.6 cm
Tail Swing Radius143.3 cm—
Overall Width234.7 cm228.6 cm
Engine MakeKomatsuYanmar
Engine ModelS4D95LE-34 TNV98C-WBV
Net Power40 kW41 kW
Gross Power44.2 kW42 kw
Rated Power1850 RPM2000 RPM
Hydraulic Pump Flow Capacity159 LPM212 LPM
Hydraulic System Capacity110.2 l—
Relief Valve Pressure265 Bar779 Bar
Operating Weight8270 kg8226 kg
Max Travel Speed4.3 km4.5 km
Swing Speed10 RPM9 RPM
Cab Height274.3 cm268.2 cm
AspirationTurbocharged, aftercooled—
Cooling Capacity10.6 l—
Fuel Capacity125.3 l115.1 l
Engine Oil Capacity7.6 l—
Operating VoltageOperating Voltage 24 V—
Ground Pressure37.2 kPa—
Number of Carrier Rollers per Side1—
Number of Track Rollers per Side5—
Number of Shoes per Side39—
Displacement3261.0 cc—
Shoe Size45.2 cm—
No of Cylinders4—
Max Cutting Height658.4 cm—
Alternator25 A—
Track Gauge189.0 cm—
Removal Counterweight Clearance76.2 cm118.9 cm
Drawbar Pull6.600 kg—
Min Travel Speed—2.6 km
Wheelbase—289.6 cm
Cooling system—Water Cooled
Ground bearing pressure (rubber tracks)—35.9 kPa
Ground bearing pressure (steel tracks)—36.5 kPa
Boom Swing(Left)—57 °
Boom Swing(Right)—60 °
Arm Digging Force—6.475 kg
Sourceheavyequipments.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