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

FeatureCaterpillar M322CExcavatorHitachi ZX220W-3Excavator
Excavator TypeWheeled ExcavatorWheeled Excavator
Weight21800 kg22629 kg
Horsepower122 kW119 kW
Digging Depth631 cm630 cm
Max Digging Depth631 cm630 cm
Max Loading Height701.0 cm737.6 cm
Max Reach Along Ground978.4 cm1015.9 cm
Overall Length944.9 cm972.3 cm
Reference Bucket Capacity0.9 m20.8 m2
Max Bucket Capacity1.3 m2—
Min Bucket Capacity0.6 m2—
Ground Clearance36.6 cm33.5 cm
Tail Swing Radius277.4 cm277.4 cm
Overall Width277.4 cm249.9 cm
Overall Width (Outriggers Down)396.2 cm344.4 cm
Engine MakeCaterpillarIsuzu
Engine Model3056 E ATAAC4 HK1X
Net Power122 kW119 kW
Gross Power130.7 kW127.0 kW
Rated Power2000 RPM2000 RPM
Hydraulic Pump Flow Capacity337 LPM379 LPM
Hydraulic System Capacity350.2 l340.3 l
Relief Valve Pressure350 Bar343 Bar
Operating Weight21800 kg22629 kg
Max Travel Speed25.1 km27.5 km
Swing Speed10.5 RPM12.2 RPM
Cab Height320.0 cm320.0 cm
Wheelbase277.4 cm277.4 cm
AspirationTurbocharged, after-cooledTurbocharged, after-cooled
Net Torque695.1 Nm—
Swing Torque56300.4 Nm59370.1 Nm
Cooling Capacity39.4 l26.1 l
Fuel Capacity385.4 l355.1 l
Front Diff Capacity11.4 l9.8 l
Engine Oil Capacity16.3 l23.1 l
Transmission TypeHydrostatic—
Number of Forward Gears22
Number of Reverse Gears22
Stroke12.7 cm—
Bore9.9 cm—
Displacement5997.7 cc5194.7 cc
No of Cylinders64
Max Cutting Height1042.4 cm1021.1 cm
Torque Power1400 RPM—
Gradeability0.62—
Tire Size11.00-20—
Max Steering Angle35 °—
Oscillating Axle Angle18 °7 °
Hydraulic Pump Type—2 x piston pumps
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