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

FeatureKomatsu PC300-1ExcavatorLink-Belt 3900 QUANTUMExcavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight29000 kg28531 kg
Horsepower134 kW133 kW
Digging Depth655 cm719 cm
Max Digging Depth655 cm719 cm
Max Loading Height701.0 cm707.1 cm
Max Reach Along Ground1042.4 cm1060.7 cm
Max Vertical Wall Digging Depth557.8 cm643.1 cm
Overall Length1130.8 cm1002.8 cm
Track Length4206.2 cm4693.9 cm
Length of Track on Ground350.5 cm393.2 cm
Ground Clearance51.8 cm51.8 cm
Tail Swing Radius338.3 cm301.8 cm
Overall Width301.8 cm259.1 cm
Engine MakeCumminsCummins
Engine ModelN855C6 CT8.3
Net Power134 kW133 kW
Gross Power142.7 kW141.2 kW
Hydraulic Pump Flow Capacity477 LPM424 LPM
Hydraulic System Capacity220.3 l220.3 l
Relief Valve Pressure255 Bar343 Bar
Operating Weight29000 kg28531 kg
Max Travel Speed3.1 km4.8 km
Swing Speed6.5 RPM10.4 RPM
Cab Height307.8 cm307.8 cm
Fuel Capacity440.2 l310.0 l
Ground Pressure57.9 kPa41.4 kPa
Displacement14010.9 cc8291.9 cc
Shoe Size61.2 cm80.0 cm
Max Cutting Height996.7 cm1018.0 cm
Track Gauge240.8 cm259.1 cm
Removal Counterweight Clearance112.8 cm121.9 cm
Reference Bucket Capacity—1.0 m2
Max Bucket Capacity—1.8 m2
Min Bucket Capacity—0.6 m2
Rated Power—2200 RPM
Aspiration—Turbocharged
Max Torque—699.6 Nm
Cooling Capacity—26.1 l
Swing Drive Capacity—6.1 l
Engine Oil Capacity—19.3 l
Operating Voltage—Operating Voltage 24 V
Number of Carrier Rollers per Side—2
Number of Track Rollers per Side—9
Number of Shoes per Side—50
Alternator—65 A
Torque Power—1450 RPM
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