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

FeatureHyundai ROBEX 320LC-7ExcavatorKomatsu PC350LC-6 MIGHTYExcavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight33203 kg33400 kg
Horsepower173 kW173 kW
Digging Depth637 cm741 cm
Max Digging Depth637 cm741 cm
Max Loading Height707.1 cm713.2 cm
Max Reach Along Ground1011.9 cm1094.2 cm
Max Digging Reach731.5 cm—
Max Vertical Wall Digging Depth600.5 cm649.2 cm
Overall Length1124.7 cm1103.4 cm
Track Length4846.3 cm4846.3 cm
Length of Track on Ground405.4 cm405.4 cm
Reference Bucket Capacity1.5 m21.4 m2
Max Bucket Capacity2.1 m2—
Min Bucket Capacity0.9 m2—
Ground Clearance51.8 cm51.8 cm
Tail Swing Radius335.3 cm332.2 cm
Overall Width329.2 cm320.0 cm
Engine MakeCumminsKomatsu
Engine ModelC8.3-CSAA6D108E
Net Power173 kW173 kW
Gross Power193 kw181.4 kW
Rated Power1750 RPM2050 RPM
Hydraulic Pump Flow Capacity519 LPM522 LPM
Hydraulic System Capacity320.2 l205.2 l
Relief Valve Pressure323 Bar348 Bar
Operating Weight33203 kg33400 kg
Max Travel Speed5.5 km5.6 km
Swing Speed9.1 RPM10 RPM
Cab Height310.9 cm313.9 cm
AspirationTurbocharged—
Max Torque1218.9 Nm—
Cooling Capacity45.0 l—
Fuel Capacity480.4 l540.2 l
Swing Drive Capacity11.4 l—
Engine Oil Capacity25.7 l—
Operating VoltageOperating Voltage 24 V—
Ground Pressure61.4 kPa62.7 kPa
Number of Carrier Rollers per Side2—
Number of Track Rollers per Side9—
Number of Shoes per Side48—
Displacement8291.9 cc7151.3 cc
Shoe Size60.2 cm60.2 cm
Max Cutting Height1024.1 cm1021.1 cm
Alternator50 A—
Track Gauge268.2 cm259.1 cm
Removal Counterweight Clearance121.9 cm118.9 cm
Torque Power1300 RPM—
Drawbar Pull28.500 kg—
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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MODEL COMPARISONS

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