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

FeatureCaterpillar M322DExcavatorCaterpillar M322CExcavator
Excavator TypeWheeled ExcavatorWheeled Excavator
Weight22500 kg21800 kg
Horsepower123 kW122 kW
Digging Depth649 cm631 cm
Max Digging Depth649 cm631 cm
Max Loading Height694.9 cm701.0 cm
Max Reach Along Ground1030.2 cm978.4 cm
Overall Length944.9 cm944.9 cm
Reference Bucket Capacity1.2 m20.9 m2
Max Bucket Capacity1.6 m21.3 m2
Min Bucket Capacity0.6 m20.6 m2
Ground Clearance39.6 cm36.6 cm
Tail Swing Radius277.4 cm277.4 cm
Overall Width277.4 cm277.4 cm
Overall Width (Outriggers Down)396.2 cm396.2 cm
Engine MakeCaterpillarCaterpillar
Engine ModelC6.63056 E ATAAC
Net Power123 kW122 kW
Gross Power129 kw130.7 kW
Rated Power2000 RPM2000 RPM
Hydraulic Pump Flow Capacity348 LPM337 LPM
Hydraulic System Capacity335.0 l350.2 l
Relief Valve Pressure350 Bar350 Bar
Operating Weight22500 kg21800 kg
Max Travel Speed25.7 km25.1 km
Swing Speed9 RPM10.5 RPM
Cab Height320.0 cm320.0 cm
Wheelbase277.4 cm277.4 cm
Net Torque750.0 Nm695.1 Nm
Swing Torque55999.4 Nm56300.4 Nm
Cooling Capacity33.3 l39.4 l
Fuel Capacity385.4 l385.4 l
Front Diff Capacity11.4 l11.4 l
Engine Oil Capacity15.1 l16.3 l
Transmission TypeGearHydrostatic
Number of Forward Gears22
Number of Reverse Gears22
Stroke12.7 cm12.7 cm
Bore10.7 cm9.9 cm
Displacement6604.0 cc5997.7 cc
No of Cylinders66
Max Cutting Height1057.7 cm1042.4 cm
Alternator75 A—
Hydraulic Pump TypePiston pump—
Torque Power1400 RPM1400 RPM
Drawbar Pull11.421 kg—
Gradeability0.60.62
Tire Size11.00-20 16 PR11.00-20
Max Steering Angle35 °35 °
Oscillating Axle Angle9 °18 °
Aspiration—Turbocharged, after-cooled
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