Caterpillar M322C


Maximum Bucket Capacity1.70 cu yds (1 m)
Minimum Bucket Capacity0.80 cu yds (1 m)
Reference Bucket Capacity1.20 cu yds (1 m)


Ground Clearance1.20 ft (0 m)
Height to Top of Cab10.50 ft (3 m)
Overall Width9.10 in (23 cm)
Overall Width - Outriggers Down13 ft (4 m)
Tail Swing Radius9.10 ft (3 m)
Upper Structure Clearance4.30 ft (1 m)
Wheelbase9.10 ft (3 m)


AspirationTurbocharged and Aftercooled
Bore3.90 in (10 cm)
Displacement366 cu in (0 m)
Engine ModelCat 3056E ATAAC
ISO 9249164 hp (122 kw)
Maximum Torque - 1,400 rpm512.60 lbs/ft
Net Power164 hp (122 kw)
Net Torque512.70 lbs/ft
Number of Cylinders6
Power Measured @2,000 rpm
Stroke5 in (13 cm)
Torque Measured @1,400 rpm

Fuel Tank

Fuel Tank Capacity101.80 gal (385 l)

Hydraulic System

Implement/Travel Circuit92 gal/min (348 l/min)
Normal5,076 psi
Travel Circuit5,076 psi


Cooling System Fluid Capacity10.40 gal (39 l)
Engine Oil Capacity4.30 gal (16 l)
Front Diff Fluid Capacity3 gal (11 l)
Fuel Capacity101.80 gal (385 l)
Hydraulic Pump Flow Capacity89.90 gal/min (340 l/min)
Hydraulic System Fluid Capacity92.50 gal (350 l)
Hydraulic System Relief Valve Pressure5,076.40 psi
Max Steering Angle35 °
Operating Weight48,060.80 lbs (21,800 kg)
Oscillating Axle Angle18 °
Rear Diff Fluid Capacity3.90 gal (15 l)
Tire Size11

Service Refill Capacities

Cooling10.30 gal (39 l)
Engine Crankcase4.30 gal (16 l)
Front Steering Axle - Differential3 gal (11 l)
Fuel Tank102 gal (386 l)
Hydraulic System - Including Tank92 gal (348 l)
Hydraulic Tank59.40 gal (225 l)
Powershift Transmission0.70 gal (3 l)
Rear Axle - Housing (Differential)3.90 gal (15 l)

Swing Mechanism

Swing Speed10.50 rpm
Swing Torque41,525 lbs/ft




Creeper Speed - 1st Gear2.50 mph (4 kph)
Creeper Speed - 2nd Gear8.10 mph (13 kph)
Forward/Reverse - 1st Gear5.60 mph (9 kph)
Max Travel Speed15.60 mph (25 kph)
Maximum Gradeability62
Maximum Travel Speed15.50 mph (25 kph)
Number of Forward Gears2
Number of Reverse Gears2
Transmission TypeHydrostatic


Counterweight8,598.10 lbs (3,900 kg)
Dozer Blade1,985 lbs (900 kg)
Front and Rear Outriggers (1)50,045 lbs (22,700 kg)
Front and Rear Outriggers (2)48,940 lbs (22,199 kg)
Outriggers2,870 lbs (1,302 kg)
Rear - Dozer Only (1)46,300 lbs (21,002 kg)
Rear - Dozer Only (2)45,195 lbs (20,500 kg)
Rear - Dozer, Front Outriggers (1)49,160 lbs (22,299 kg)
Rear - Dozer, Front Outriggers (2)48,060 lbs (21,800 kg)

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