Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : M322D ➔
The Caterpillar M322D is a wheeled excavator in Caterpillar's M Series, designed for roadwork, utility, municipal, and general construction applications. It is powered by a Caterpillar diesel engine and uses a hydraulic system optimized for digging, lifting, and attachment work. The M322D features a wheeled undercarriage for travel between job sites and maneuverability on paved surfaces. Typical configurations include a cab with operator controls, boom and stick options, and compatibility with buckets and auxiliary attachments. As an excavator, the M322D is used for trenching, material handling, site preparation, and loading tasks in urban and infrastructure projects.
Boom/Stick Option (Mex) 1
Caterpillar M322D Excavator Boom/Stick Option (Mex) 1 specifications
Boom/Stick Option (Mex) 1
VA Boom / stick 2.2m
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)
Shipping Height Of Unit
10.70 ft (3.26 m)
Shipping Length Of Unit
30.94 ft (9.43 m)
Boom/Stick Option (Mex) 2
Caterpillar M322D Excavator Boom/Stick Option (Mex) 2 specifications
Boom/Stick Option (Mex) 2
VA Boom / stick 2.5m
Max Cutting Height
34.85 ft (10.62 m)
Max Digging Depth
20.61 ft (6.28 m)
Max Loading Height
23.53 ft (7.17 m)
Max Reach Along Ground
32.26 ft (9.83 m)
Max Vertical Wall Dig Depth
14.60 ft (4.45 m)
Shipping Height Of Unit
10.60 ft (3.23 m)
Shipping Length Of Unit
30.98 ft (9.44 m)
Boom/Stick Option (Mex) 3
Caterpillar M322D Excavator Boom/Stick Option (Mex) 3 specifications
Boom/Stick Option (Mex) 3
VA Boom / stick 2.9m
Max Cutting Height
35.86 ft (10.93 m)
Max Digging Depth
21.92 ft (6.68 m)
Max Loading Height
24.61 ft (7.50 m)
Max Reach Along Ground
33.57 ft (10.23 m)
Max Vertical Wall Dig Depth
15.85 ft (4.83 m)
Shipping Height Of Unit
10.67 ft (3.25 m)
Shipping Length Of Unit
30.94 ft (9.43 m)
Boom/Stick Option (Mex) 4
Caterpillar M322D Excavator Boom/Stick Option (Mex) 4 specifications
Boom/Stick Option (Mex) 4
One-piece Boom / stick 2.2m
Max Cutting Height
31.73 ft (9.67 m)
Max Digging Depth
18.94 ft (5.77 m)
Max Loading Height
20.67 ft (6.30 m)
Max Reach Along Ground
31.89 ft (9.72 m)
Max Vertical Wall Dig Depth
14.70 ft (4.48 m)
Shipping Height Of Unit
10.83 ft (3.30 m)
Shipping Length Of Unit
31.67 ft (9.65 m)
Bucket Specifications
Caterpillar M322D Excavator Bucket Specifications specifications
Bucket Capacities
0.44 to 1.57 m3 (0.57 to 2.05 yd3)
Buckets
Caterpillar M322D Excavator Buckets specifications
Maximum Bucket Capacity
2.1 cu yd
Minimum Bucket Capacity
0.8 cu yd
Reference Bucket Capacity
1.6 cu yd
Cab/Rops/Fogs
Caterpillar M322D Excavator Cab/Rops/Fogs specifications
Standards
Standards
Dimensions
Caterpillar M322D Excavator Dimensions specifications
Ground Clearance
1.25 ft (0.38 m)
Height
10.67 ft (3.25 m)
Height To Top Of Cab
10.50 ft (3.20 m)
Length
27.42 ft (8.36 m)
Overall Width
9.03 in (22.94 cm)
Overall Width - Outriggers Down
13.00 ft (3.96 m)
Tail Swing Radius
9.03 ft (2.75 m)
Upper Structure Clearance
4.30 ft (1.31 m)
Weight
48,060.00 lbs (21,799.68 kg)
Wheelbase
9.03 ft (2.75 m)
Width
9.00 ft (2.74 m)
Drive
Caterpillar M322D Excavator Drive specifications
Maximum Travel Speed
15.60 mph (25.11 kph)
Engine
Caterpillar M322D Excavator Engine specifications
Bore
4.20 in (10.67 cm)
Cylinders
6
Displacement
403.00 cu in (6,604.00 cu cm)
Engine Make
2236
Engine Model
C6.6 Acert
Gross Power
173.00 hp (129.01 kw)
Maximum Torque - 1,400 Rpm
553.00 lbs ft (749.76 nm)
Net Power
165.00 hp (123.04 kw)
Net Power - 2,000 Rpm - Iso 9249
165.00 hp (123.04 kw)
Net Power - 80/1269/Eec
165.00 hp (123.04 kw)
Net Power - Iso 9249
165.00 hp (123.04 kw)
Net Torque
553.20 lbs ft (750.03 nm)
Number Of Cylinders
6
Power Measured @
2000 rpm
Ratings
2000 rpm
Stroke
5.00 in (12.70 cm)
Torque Measured @
1400 rpm
Hydraulic System
Caterpillar M322D Excavator Hydraulic System specifications
Maximum Flow - Auxiliary Circuit - High Pressure
55.00 gpm (208.18 lpm)
Maximum Flow - Auxiliary Circuit - Medium Pressure
13.00 gpm (49.21 lpm)
Maximum Flow - Implement/Travel Circuit
92.00 gpm (348.22 lpm)
Maximum Flow - Swing Mechanism
30.00 gpm (113.55 lpm)
Maximum Pressure - Auxiliary Circuit - High Pressure
5076 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure
2683 psi
Maximum Pressure - Implement Circuit - Heavy Lift
5439 psi
Maximum Pressure - Implement Circuit - Normal
5076 psi
Maximum Pressure - Swing Mechanism
4931 psi
Maximum Pressure - Travel Circuit
5076 psi
System
92 gal (US)
Tank Capacity
58.00 gal (219.53 l)
Operational
Caterpillar M322D Excavator Operational specifications
Alternator Supplied Amperage
75 amps
Cooling System Fluid Capacity
8.80 gal (33.31 l)
Engine Oil Capacity
4.00 gal (15.14 l)
Front Diff Fluid Capacity
3.00 gal (11.36 l)
Fuel Capacity
101.80 gal (385.31 l)
Hydraulic Pump Flow Capacity
92.50 gpm (350.11 lpm)
Hydraulic Pump Type
Piston
Hydraulic System Fluid Capacity
88.50 gal (334.97 l)
Hydraulic System Relief Valve Pressure
5076 psi
Max Steering Angle
35 degrees
Operating Weight
49,604.10 lbs (22,500.07 kg)
Oscillating Axle Angle
9 degrees
Rear Diff Fluid Capacity
3.90 gal (14.76 l)
Tire Size
11.00-20 16PR dual
Service Refill Capacities
Caterpillar M322D Excavator Service Refill Capacities specifications
Cooling
9.80 gal (37.09 l)
Engine Crankcase
4.00 gal (15.14 l)
Final Drive
0.70 gal (2.65 l)
Front Steering Axle - Differential
2.90 gal (10.98 l)
Fuel Tank
102.00 gal (386.07 l)
Powershift Transmission
0.70 gal (2.65 l)
Rear Axle - Housing (Differential)
3.70 gal (14.00 l)
Sound Levels
Caterpillar M322D Excavator Sound Levels specifications
Exterior Sound
Exterior Sound
Swing Mechanism
Caterpillar M322D Excavator Swing Mechanism specifications
Swing Speed
9 rpm
Swing Torque
41,303.00 lbs ft (55,998.61 nm)
Tires
Caterpillar M322D Excavator Tires specifications
Optional
1) 10.00-20 (dual solid rubber)
Standard
1) 11.00-20 (dual pneumatic)
Transmission
Caterpillar M322D Excavator Transmission specifications
Creeper Speed - 1st Gear
2.00 mph (3.22 kph)
Creeper Speed - 2nd Gear
7.50 mph (12.07 kph)
Drawbar Pull
25,179.00 lbs (11,421.02 kg)
Forward/Reverse - 1st Gear
4.00 mph (6.44 kph)
Forward/Reverse - 2nd Gear
16.00 mph (25.75 kph)
Max Travel Speed
16.00 mph (25.75 kph)
Maximum Gradeability
60%
Number Of Forward Gears
2
Number Of Reverse Gears
2
Transmission Type
Gear
Undercarriage
Caterpillar M322D Excavator Undercarriage specifications
Ground Clearance
1.25 ft (0.38 m)
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
22.00 ft (6.71 m)
Oscillation Axle Angle
9 degrees
Weights
Caterpillar M322D Excavator Weights specifications
Counterweights - Standard
8,598.00 lbs (3,899.99 kg)
Dozer Blade
2,028.00 lbs (919.89 kg)
One-Piece Boom* - Front And Rear Outriggers
45,085.00 lbs (20,450.24 kg)
One-Piece Boom* - Rear Dozer Only
41,888.00 lbs (19,000.10 kg)
One-Piece Boom* - Rear Dozer, Front Outriggers
44,533.00 lbs (20,199.85 kg)
Outriggers
2,778.00 lbs (1,260.08 kg)
Sticks - Long (2900 Mm)
1,720.00 lbs (780.18 kg)
Sticks - Medium (2500 Mm)
1,543.00 lbs (699.89 kg)
Sticks - Short (2200 Mm)
1,433.00 lbs (650.00 kg)
Va Boom* - Front And Rear Outriggers
46,518.00 lbs (21,100.24 kg)
Va Boom* - Rear Dozer Only
43,321.00 lbs (19,650.10 kg)
Va Boom* - Rear Dozer, Front Outriggers
45,966.00 lbs (20,849.85 kg)
Working Ranges
Caterpillar M322D Excavator Working Ranges specifications
Maximum Digging Depth
22.00 ft (6.71 m)
Maximum Reach - Ground Level
33.90 ft (10.33 m)
