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Current number of specifications

Caterpillar M322D Mobile Excavator

Selected Dimensions

Boom/Stick Option
A. Shipping Length of Unit30.9 ft in9430 mm
C. Shipping Height of Unit10.7 ft in3260 mm
I. Max Cutting Height34.6 ft in10560 mm
J. Max Loading Height22.7 ft in6930 mm
K. Max Reach Along Ground31.5 ft in9590 mm
L. Max Vertical Wall Dig Depth14.5 ft in4420 mm
M. Max Digging Depth19.7 ft in5990 mm
B. Overall Width9 in2750 mm
D. Wheelbase9 ft in2750 mm
E. Ground Clearance1.2 ft in380 mm
F. Overall Width - Outriggers Down13 ft in3960 mm
G. Height to Top of Cab10.5 ft in3200 mm
H. Tail Swing Radius9 ft in2750 mm
N. Upper Structure Clearance4.3 ft in1310 mm


Number of Cylinders6
ModelC6.6 Acert
Gross Power173 hp129 kw
Net Power221.3 hp165 kw
Power Measured @2000 rpm
Displacement402.8 cu in6.6 L
Torque Measured @1400 rpm
Net Torque553.2 lb ft750 Nm
Operating Weight49604 lb22500 kg
Fuel Capacity101.7 gal385 L
Cooling System Fluid Capacity8.7 gal33 L
Engine Oil Capacity4 gal15 L
Front Diff Fluid Capacity2.9 gal11 L
Rear Diff Fluid Capacity3.8 gal14.5 L
Hydraulic System Fluid Capacity88.5 gal335 L
Alternator Supplied Amperage75 amps
Hydraulic System Relief Valve Pressure5076 psi34997.8 kPa
Hydraulic Pump TypePiston
Hydraulic Pump Flow Capacity92.5 gal/min350 L/min
Oscillating Axle Angle9 degrees
Max Steering Angle35 degrees
Tire Size11.00-20 16PR dual
Number of Forward Gears2
Number of Reverse Gears2
Max Travel Speed16 mph25.7 km/h
Drawbar Pull25179 lb11421 kg
Swing Mechanism
Swing Speed9 rpm
Swing Torque41303 lb ft55999.4 Nm
Reference Bucket Capacity1.5 yd31.2 m3
Minimum Bucket Capacity0.74 yd30.57 m3
Maximum Bucket Capacity2.1 yd31.6 m3
Boom/Stick Option (MEX) 1
Boom/Stick Option (MEX) 1VA Boom / stick 2.2m
Shipping Height of Unit10.7 ft in3260 mm
Shipping Length of Unit30.9 ft in9430 mm
Max Digging Depth19.7 ft in5990 mm
Max Reach Along Ground31.5 ft in9590 mm
Max Cutting Height34.6 ft in10560 mm
Max Loading Height22.7 ft in6930 mm
Max Vertical Wall Dig Depth14.5 ft in4420 mm
Boom/Stick Option (MEX) 2
Boom/Stick Option (MEX) 2VA Boom / stick 2.5m
Shipping Height of Unit10.6 ft in3230 mm
Shipping Length of Unit31 ft in9440 mm
Max Digging Depth20.6 ft in6280 mm
Max Reach Along Ground32.3 ft in9830 mm
Max Cutting Height34.8 ft in10620 mm
Max Loading Height23.5 ft in7170 mm
Max Vertical Wall Dig Depth14.6 ft in4450 mm
Boom/Stick Option (MEX) 3
Boom/Stick Option (MEX) 3VA Boom / stick 2.9m
Shipping Height of Unit10.7 ft in3250 mm
Shipping Length of Unit30.9 ft in9430 mm
Max Digging Depth21.9 ft in6680 mm
Max Reach Along Ground33.6 ft in10230 mm
Max Cutting Height35.9 ft in10930 mm
Max Loading Height24.6 ft in7500 mm
Max Vertical Wall Dig Depth15.8 ft in4830 mm
Boom/Stick Option (MEX) 4
Boom/Stick Option (MEX) 4One-piece Boom / stick 2.2m
Shipping Height of Unit10.8 ft in3300 mm
Shipping Length of Unit31.7 ft in9650 mm
Max Digging Depth18.9 ft in5770 mm
Max Reach Along Ground31.9 ft in9720 mm
Max Cutting Height31.7 ft in9670 mm
Max Loading Height20.7 ft in6300 mm
Max Vertical Wall Dig Depth14.7 ft in4480 mm
Overall Width9 in2750 mm
Overall Width - Outriggers Down13 ft in3960 mm
Height to Top of Cab10.5 ft in3200 mm
Wheelbase9 ft in2750 mm
Ground Clearance1.2 ft in380 mm
Tail Swing Radius9 ft in2750 mm
Upper Structure Clearance4.3 ft in1310 mm