Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : M322 ➔
The Caterpillar M322 is a wheeled excavator in Caterpillar's M Series, designed for road work, utility projects, material handling, and general excavation. It is commonly equipped with a diesel engine, hydraulic system, and a wheeled undercarriage for improved mobility between job sites. The M322 is used in applications that require frequent travel on paved surfaces and precise digging control. Typical configurations may include a boom, stick, bucket, blade, outriggers, and multiple attachment options. Caterpillar M322 excavators are known for combining transport efficiency, operator visibility, and versatile performance in urban and infrastructure construction environments.
Dimensions
Caterpillar M322 Excavator Dimensions specifications
Boom
Variable Adjustable Boom 5.4 m (17'10") - Starting 2026
Bucket
GD 1.19 m³ (1.56 yd³) - Starting 2026
Counterweight Clearance
4.40 ft (1.34 m) - Starting 2026
Ground Clearance
1.00 ft (0.30 m) - Starting 2026
Height
11.00 ft (3.35 m)
Length
31.08 ft (9.47 m)
Shipping Height - Top of Cab
11.00 ft (3.35 m) - Starting 2026
Shipping Length
31.10 ft (9.48 m) - Starting 2026
Stick
2.9 m (9'2") - Starting 2026
Support Point
11.30 ft (3.44 m) - Starting 2026
Tail Swing Radius
9.20 ft (2.80 m) - Starting 2026
Undercarriage Length
17.00 ft (5.18 m) - Starting 2026
Weight
52,911.00 lbs (24,000.06 kg)
Wheel Base
9.00 ft (2.74 m) - Starting 2026
Width
9.00 ft (2.74 m)
Drive
Caterpillar M322 Excavator Drive specifications
Maximum Travel Speed
18.60 mph (29.93 kph) - Starting 2026
Engine
Caterpillar M322 Excavator Engine specifications
Biodiesel Capability
Up to B20¹ - Starting 2026
Bore
4.10 in (10.41 cm) - Starting 2026
Displacement
427.8 in² - Starting 2026
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. - Starting 2026
Engine Model
Cat® C7.1 - Starting 2026
Engine Power - ISO 14396
174.00 hp (129.75 kw) - Starting 2026
Engine Power - ISO 14396 (DIN)
176.00 hp (131.25 kw) - Starting 2026
Net Power - ISO 9249
171.00 hp (127.52 kw) - Starting 2026
Net Power - ISO 9249 (DIN)
174.00 hp (129.75 kw) - Starting 2026
Stroke
5.30 in (13.46 cm) - Starting 2026
Hydraulic System
Caterpillar M322 Excavator Hydraulic System specifications
Main System - Maximum Flow - Implement
95.00 gpm (359.58 lpm) - Starting 2026
Maximum Pressure - Implement Circuit - Heavy Lift
5366 psi - Starting 2026
Maximum Pressure - Implement Circuit - Normal
5076 psi - Starting 2026
Maximum Pressure - Implement Circuit - Travel Circuit
5076 psi - Starting 2026
Machine Weight
Caterpillar M322 Excavator Machine Weight specifications
Operating Weight Maximum
54,770.00 lbs (24,843.28 kg) - Starting 2026
Operating Weight Minimum
47,430.00 lbs (21,513.91 kg) - Starting 2026
Service Refill Capacities
Caterpillar M322 Excavator Service Refill Capacities specifications
Cooling System
10.60 gal (40.12 l) - Starting 2026
Diesel Exhaust Fluid (DEF)
7.90 gal (29.90 l) - Starting 2026
Fuel Tank
124.20 gal (470.10 l) - Starting 2026
Hydraulic System - Including Tank
107.00 gal (405.00 l) - Starting 2026
Hydraulic Tank
52.80 gal (199.85 l) - Starting 2026
Swing Mechanism
Caterpillar M322 Excavator Swing Mechanism specifications
Maximum Swing Speed*
8.6 r/min - Starting 2026
Swing Torque
44,250.00 lbs ft (59,994.15 nm) - Starting 2026
Working Ranges And Forces
Caterpillar M322 Excavator Working Ranges And Forces specifications
Boom
Variable Adjustable Boom 5.4 m (17'10") - Starting 2026
Bucket
GD 1.19 m³ (1.56 yd³) - Starting 2026
Bucket Forces (ISO)
33,946.00 lbs ft (46,023.99 nm) - Starting 2026
Maximum Cutting Height
35.80 ft (10.91 m) - Starting 2026
Maximum Digging Depth
21.80 ft (6.64 m) - Starting 2026
Maximum Loading Height
24.70 ft (7.53 m) - Starting 2026
Maximum Reach at Ground Line
33.40 ft (10.18 m) - Starting 2026
Maximum Vertical Wall Digging Depth
17.30 ft (5.27 m) - Starting 2026
Stick
2.9 m (9'2") - Starting 2026
Stick Forces (ISO)
23,605.00 lbs ft (32,003.66 nm) - Starting 2026
