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

FeatureKomatsu PC290LC-7ExcavatorLink-Belt 3900 QUANTUMExcavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight28130 kg28531 kg
Horsepower133 kW133 kW
Digging Depth546 cm719 cm
Max Digging Depth546 cm719 cm
Max Loading Height661.4 cm707.1 cm
Max Reach Along Ground905.3 cm1060.7 cm
Max Vertical Wall Digging Depth460.2 cm643.1 cm
Overall Length984.5 cm1002.8 cm
Track Length4450.1 cm4693.9 cm
Length of Track on Ground371.9 cm393.2 cm
Reference Bucket Capacity1.2 m21.0 m2
Min Bucket Capacity1.0 m20.6 m2
Ground Clearance51.8 cm51.8 cm
Tail Swing Radius295.7 cm301.8 cm
Overall Width320.0 cm259.1 cm
Engine MakeKomatsuCummins
Engine ModelSA6D102E-26 CT8.3
Net Power133 kW133 kW
Gross Power141.9 kW141.2 kW
Rated Power2050 RPM2200 RPM
Hydraulic Pump Flow Capacity447 LPM424 LPM
Hydraulic System Capacity143.1 l220.3 l
Relief Valve Pressure373 Bar343 Bar
Operating Weight28130 kg28531 kg
Max Travel Speed5.6 km4.8 km
Swing Speed10.5 RPM10.4 RPM
Cab Height310.9 cm307.8 cm
AspirationTurbocharged, aftercooledTurbocharged
Cooling Capacity31.0 l26.1 l
Fuel Capacity400.1 l310.0 l
Swing Drive Capacity6.8 l6.1 l
Engine Oil Capacity24.2 l19.3 l
Operating VoltageOperating Voltage 24 VOperating Voltage 24 V
Ground Pressure57.2 kPa41.4 kPa
Number of Carrier Rollers per Side22
Number of Track Rollers per Side79
Number of Shoes per Side4550
Displacement5881.3 cc8291.9 cc
Shoe Size60.2 cm80.0 cm
Max Cutting Height954.0 cm1018.0 cm
Alternator60 A65 A
Track Gauge259.1 cm259.1 cm
Removal Counterweight Clearance118.9 cm121.9 cm
Drawbar Pull25.400 kg—
Max Bucket Capacity—1.8 m2
Max Torque—699.6 Nm
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