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

FeatureCaterpillar M322CExcavatorNew Holland MH6.6Excavator
Excavator TypeWheeled ExcavatorWheeled Excavator
Weight21800 kg21480 kg
Horsepower122 kW124 kW
Digging Depth631 cm945 cm
Max Digging Depth631 cm945 cm
Max Loading Height701.0 cm725.4 cm
Max Reach Along Ground978.4 cm926.6 cm
Overall Length944.9 cm944.9 cm
Reference Bucket Capacity0.9 m20.7 m2
Max Bucket Capacity1.3 m21.1 m2
Min Bucket Capacity0.6 m20.5 m2
Ground Clearance36.6 cm33.5 cm
Tail Swing Radius277.4 cm277.4 cm
Overall Width277.4 cm256.0 cm
Overall Width (Outriggers Down)396.2 cm390.1 cm
Engine MakeCaterpillarCNH
Engine Model3056 E ATAACF4BE0684A
Net Power122 kW124 kW
Gross Power130.7 kW132.2 kW
Rated Power2000 RPM—
Hydraulic Pump Flow Capacity337 LPM511 LPM
Hydraulic System Capacity350.2 l160.1 l
Relief Valve Pressure350 Bar345 Bar
Operating Weight21800 kg21480 kg
Max Travel Speed25.1 km20.1 km
Swing Speed10.5 RPM9.5 RPM
Cab Height320.0 cm313.9 cm
Wheelbase277.4 cm277.4 cm
AspirationTurbocharged, after-cooledTurbocharged and charge air cooling
Net Torque695.1 Nm—
Swing Torque56300.4 Nm—
Cooling Capacity39.4 l30.3 l
Fuel Capacity385.4 l325.2 l
Front Diff Capacity11.4 l—
Engine Oil Capacity16.3 l16.3 l
Transmission TypeHydrostatic—
Number of Forward Gears2—
Number of Reverse Gears2—
Stroke12.7 cm—
Bore9.9 cm—
Displacement5997.7 cc5901.0 cc
No of Cylinders66
Max Cutting Height1042.4 cm1018.0 cm
Torque Power1400 RPM—
Gradeability0.62—
Tire Size11.00-2010.00-20
Max Steering Angle35 °—
Oscillating Axle Angle18 °—
Cooling system—Air cooled
Operating Voltage—Operating Voltage 24 V
Alternator—70 A
Hydraulic Pump Type—Variable displacement, axial piston
Drawbar Pull—13.256 kg
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