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

FeatureCaterpillar M322FExcavatorCaterpillar M318DExcavator
Excavator TypeWheeled ExcavatorWheeled Excavator
Weight20775 kg20100 kg
Horsepower126 kW124 kW
Digging Depth664 cm631 cm
Max Digging Depth664 cm631 cm
Ground Clearance36.6 cm39.6 cm
Engine MakeCaterpillarCaterpillar
Engine ModelC7.1 ACERTC6.6
EmissionTier 4 Final—
Net Power126 kW124 kW
Gross Power129 kw130 kw
Operating Weight20775 kg20100 kg
Swing Speed9 RPM10.5 RPM
Swing Torque53175.3 Nm48000.1 Nm
Transmission TypePowershift—
Stroke13.5 cm12.7 cm
Bore10.4 cm10.7 cm
Displacement7010.4 cc6604.0 cc
No of Cylinders66
Drawbar Pull12.950 kg—
Max Loading Height—670.6 cm
Max Reach Along Ground—960.1 cm
Overall Length—890.0 cm
Reference Bucket Capacity—0.8 m2
Max Bucket Capacity—1.6 m2
Min Bucket Capacity—0.6 m2
Tail Swing Radius—253.0 cm
Overall Width—256.0 cm
Overall Width (Outriggers Down)—384.0 cm
Hydraulic Pump Flow Capacity—291 LPM
Hydraulic System Capacity—268.8 l
Relief Valve Pressure—350 Bar
Max Travel Speed—37.0 km
Cab Height—320.0 cm
Wheelbase—262.1 cm
Net Torque—808.1 Nm
Cooling Capacity—32.2 l
Fuel Capacity—386.1 l
Front Diff Capacity—10.6 l
Engine Oil Capacity—15.1 l
Number of Forward Gears—2
Number of Reverse Gears—2
Max Cutting Height—972.3 cm
Alternator—75 A
Torque Power—1400 RPM
Gradeability—0.6
Tire Size—10.00-20 16 PR
Max Steering Angle—35 °
Oscillating Axle Angle—9 °
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