Skip to content
HEAVYEQUIPMENTS.net
Post a listing
SPECS / COMPARISON

Compare models

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

FeatureKato HD550VIIExcavatorKomatsu PC138US-11Excavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight14500 kg13880 kg
Horsepower74 kW72 kW
Digging Depth552 cm549 cm
Max Digging Depth552 cm549 cm
Max Loading Height591.3 cm685.8 cm
Max Reach Along Ground826.0 cm819.9 cm
Max Vertical Wall Digging Depth460.2 cm490.7 cm
Track Length3413.8 cm4328.2 cm
Length of Track on Ground286.5 cm362.7 cm
Reference Bucket Capacity0.7 m2—
Max Bucket Capacity0.8 m2—
Min Bucket Capacity0.3 m2—
Ground Clearance45.7 cm39.6 cm
Tail Swing Radius249.9 cm149.4 cm
Overall Width249.9 cm249.9 cm
Engine MakeMitsubishiKomatsu
Engine ModelC 6D31TSAA4D95LE-7
Net Power74 kW72 kW
Gross Power77.8 kW72 kw
Rated Power2000 RPM2050 RPM
Hydraulic Pump Flow Capacity341 LPM242 LPM
Hydraulic System Capacity225.2 l69.3 l
Relief Valve Pressure328 Bar—
Operating Weight14500 kg13880 kg
Max Travel Speed5.6 km5.1 km
Swing Speed13.4 RPM11 RPM
Cab Height277.4 cm283.5 cm
AspirationTurbochargedTurbocharged
Max Torque381.0 Nm—
Cooling Capacity21.2 l—
Fuel Capacity250.2 l200.2 l
Swing Drive Capacity5.3 l2.6 l
Engine Oil Capacity17.0 l11.7 l
Operating VoltageOperating Voltage 24 V—
Ground Pressure44.8 kPa—
Number of Carrier Rollers per Side12
Number of Track Rollers per Side78
Number of Shoes per Side4543
Displacement4948.9 cc3261.0 cc
Shoe Size50.0 cm50.0 cm
Max Cutting Height847.3 cm935.7 cm
Alternator30 A—
Track Gauge201.2 cm201.2 cm
Removal Counterweight Clearance97.5 cm91.4 cm
Torque Power1600 RPM—
Drawbar Pull15.286 kg12.500 kg
Overall Length—728.5 cm
Stroke—11.7 cm
Bore—9.7 cm
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
POPULAR COMPARISONS

MODEL COMPARISONS

Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051