Overview
The Caterpillar M322D Mobile Excavator is a mobile excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 165 hp, operating weight of 48060.8 lb, working depth of 19.66 ft, reach of 31.47 ft, capacity of 1.6 yd³ and travel speed of 15.6 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar M322D Mobile Excavator against similar mobile excavator models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
49,604.10
lb
Net Power
164
hp
Gross Power
173
hp
Max Digging Depth
19.66
ft
Full Specifications
102 specs
Dimensions
Ground Clearance
1.25 ft / 0.38 m
Height to Top of Cab
10.50 ft / 3.20 m
Max Cutting Height
34.65 ft / 10.56 m
Max Digging Depth
19.66 ft / 5.99 m
Max Loading Height
22.74 ft / 6.93 m
Max Reach Along Ground
31.47 ft / 9.59 m
Max Vertical Wall Dig Depth
14.51 ft / 4.42 m
Overall Width
9.03 ft / 2.75 m
Overall Width - Outriggers Down
13 ft / 3.96 m
Shipping Height Of Unit
10.70 ft / 3.26 m
Shipping Length Of Unit
30.94 ft / 9.43 m
System
92 gal (US)
Tail Swing Radius
9.03 ft / 2.75 m
Upper Structure Clearance
4.30 ft / 1.31 m
VA Boom / stick 2.2m
2
VA Boom / stick 2.5m
3
VA Boom / stick 2.9m
4
Wheelbase
9.03 ft / 2.75 m
Engine
Alternator Supplied Amperage
75 A
Bore
4.20 in / 107 mm
Cat C6.6 with ACERT Technology
Maximum Torque - 1,400 Rpm
Cooling System Fluid Capacity
8.80 gal / 33.3 L
Counterweights - Standard
8,598 lb / 3,900 kg
Creeper Speed - 1st Gear
2
Creeper Speed - 2nd Gear
7.50
Cylinders
6
Displacement
403 cu in / 6.6 L
Dozer Blade
2,028 in / 51,511 mm
Engine Make
2236
Engine Model
C6.6 Acert
Engine Oil Capacity
4 gal / 15.1 L
Final Drive
0.7
Forward/Reverse - 1st Gear
4
Forward/Reverse - 2nd Gear
16
Front Diff Fluid Capacity
3 gal / 11.4 L
Fuel Capacity
101.80 gal / 385.4 L
Fuel Tank
102 gal / 386.1 L
Gross Power
173 hp / 129.0 kW
Hydraulic Pump Flow Capacity
92.50 gal/min / 350.2 L/min
Hydraulic System Fluid Capacity
88.50 gal / 335.0 L
Hydraulic System Relief Valve Pressure
5,076 psi / 350.0 bar
Max Steering Angle
35 deg
Maximum Bucket Capacity
2.10 yd³ / 1.61 m³
Maximum Gradeability
60 %
Maximum Torque - 1,400 Rpm
553 lb-ft / 750 Nm
Minimum Bucket Capacity
0.80 yd³ / 0.61 m³
Net Power
165 hp / 123.0 kW
Net Power - 2,000 Rpm - Iso 9249
165 hp / 123.0 kW
Net Power - 80/1269/Eec
165 hp / 123.0 kW
Net Power - Iso 9249
165 hp / 123.0 kW
Net Torque
553 lb-ft / 750 Nm
Number of Cylinders
6
Number of Forward Gears
2
Number of Reverse Gears
2
One-Piece Boom* - Front And Rear Outriggers
45,085
One-Piece Boom* - Rear Dozer Only
41,888
One-Piece Boom* - Rear Dozer, Front Outriggers
44,533
Operating Weight
49,604 lb / 22,500 kg
Optional
1
Oscillating Axle Angle
9 deg
Outriggers
2,778
Power Measured @
2,000 rpm
Ratings
2,000
Rear Diff Fluid Capacity
3.90 gal / 14.8 L
Reference Bucket Capacity
1.60 yd³ / 1.22 m³
Standard
1) 11.00-20 (dual pneumatic)
Sticks - Long (2900 Mm)
1,720
Sticks - Medium (2500 Mm)
1,543
Sticks - Short (2200 Mm)
1,433
Stroke
5 in / 127 mm
Swing Speed
9 deg
Swing Torque
41,303 deg
Torque Measured @
1,400 rpm
Va Boom* - Front And Rear Outriggers
46,518
Va Boom* - Rear Dozer Only
43,321
Va Boom* - Rear Dozer, Front Outriggers
45,966
Hydraulics
Maximum Flow - Auxiliary Circuit - High Pressure
55 gal/min / 208.2 L/min
Maximum Flow - Auxiliary Circuit - Medium Pressure
13 gal/min / 49.2 L/min
Maximum Flow - Implement/Travel Circuit
92 gal/min / 348.3 L/min
Maximum Flow - Swing Mechanism
30 gal/min / 113.6 L/min
Maximum Pressure - Auxiliary Circuit - High Pressure
5,076 psi / 350.0 bar
Maximum Pressure - Auxiliary Circuit - Medium Pressure
2,683 psi / 185.0 bar
Maximum Pressure - Implement Circuit - Heavy Lift
5,439 psi / 375.0 bar
Maximum Pressure - Implement Circuit - Normal
5,076 psi / 350.0 bar
Maximum Pressure - Swing Mechanism
4,931 psi / 340.0 bar
Maximum Pressure - Travel Circuit
5,076 psi / 350.0 bar
Tank Capacity
58 gal / 219.6 L
Other
Maximum Reach - Ground Level
33.90 ft / 10.33 m
Cooling
9.80
Engine Crankcase
4 gal / 15.1 L
Front Steering Axle - Differential
3 lb / 1 kg
Maximum Digging Depth
22 ft / 6.71 m
Maximum Travel Speed
15.60 mph / 25.1 km/h
Net Power
164 hp / 122.3 kW
Powershift Transmission
0.70
Rear Axle - Housing (Differential)
4 lb / 2 kg
Undercarriage
Drawbar Pull
25,179 lb / 11,421 kg
Ground Clearance
1.25 ft / 0.38 m
Max Travel Speed
16 mph / 25.7 km/h
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom
30.50 ft / 9.30 m
Minimum Turning Radius - Standard Axle - End Of Va Boom
25.50 ft / 7.77 m
Minimum Turning Radius - Standard Axle - Outside Of Tire
22 ft / 6.71 m
Frequently Asked Questions
What is the operating weight of the Caterpillar M322D Mobile Excavator? +
The Caterpillar M322D Mobile Excavator has an operating weight of 49,604 lb (22,500 kg). This places it in a class suited for mobile excavator applications where ground pressure and transport weight are key considerations.
How powerful is the Caterpillar M322D Mobile Excavator engine? +
The Caterpillar M322D Mobile Excavator produces 173 hp (129.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Mobile Excavator work cycles efficiently.
What is the maximum digging depth of the Caterpillar M322D Mobile Excavator? +
The Caterpillar M322D Mobile Excavator has a maximum digging depth of 19.66 ft (5.99 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.
What is the maximum reach of the Caterpillar M322D Mobile Excavator? +
The Caterpillar M322D Mobile Excavator has a maximum reach along the ground of 31.47 ft (9.59 m), allowing it to work effectively across wide areas without repositioning.
What is the travel speed of the Caterpillar M322D Mobile Excavator? +
The Caterpillar M322D Mobile Excavator has a maximum travel speed of 15.6 mph (25.1 km/h), enabling efficient movement between work areas on the job site.
How does the Caterpillar M322D Mobile Excavator compare to similar Mobile Excavator models? +
You can compare the Caterpillar M322D Mobile Excavator side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.