In specification terms, the Caterpillar M322 wheel excavator (2021-2026) shows high engine power at 173 hp (129 kW) alongside above-average weight at 47,377 lb (21.5 t). Its published bucket capacity is 1.56 yd³ (1.19 m³).
Specification profile
2021-2026
Weight: 47,377 lb (21.5 t)Engine power: 173 hp (129 kW)Bucket capacity: 1.56 yd³ (1.19 m³)Travel speed: 18.6 mph (30 km/h)
47,377 lb (21.5 t)Weight
173 hp (129 kW)Engine power
1.56 yd³ (1.19 m³)Bucket capacity
18.6 mph (30 km/h)Travel speed
9.02 ft (2.75 m)Transport width
3.94 ft (1.2 m)Bucket width
10.9 ft (3.32 m)Transport height
31.9 ft (9.71 m)Transport length
How it compares
Low, average or high?
Engine power
High
173 hp (129 kW)
Low 54.6 hp (40.7 kW)Typical 138 hp (103 kW)High 208 hp (155 kW)
Engine power is well above the typical figure.
Weight
Above average
47,377 lb (21.5 t)
Low 14,308 lb (6.49 t)Typical 38,764 lb (17.6 t)High 66,139 lb (30 t)
Weight is above the typical figure.
Bucket capacity
High
1.56 yd³ (1.19 m³)
Low 0.3 yd³ (0.23 m³)Typical 0.97 yd³ (0.74 m³)High 1.77 yd³ (1.35 m³)
Bucket capacity is well above the typical figure.
Travel speed
Average
18.6 mph (30 km/h)
Low 12.4 mph (20 km/h)Typical 19.9 mph (32 km/h)High 24.9 mph (40 km/h)
Travel speed is close to the typical figure.
Transport width
Average
9.02 ft (2.75 m)
Low 6.33 ft (1.93 m)Typical 8.48 ft (2.58 m)High 11.8 ft (3.6 m)
Transport width is close to the typical figure.
Transport height
Average
10.9 ft (3.32 m)
Low 7.94 ft (2.42 m)Typical 10.6 ft (3.24 m)High 13.1 ft (4 m)
Transport height is close to the typical figure.
Visual overview
Key measurements
Working dimensions
Useful working and clearance measurements shown side by side.
Measurements
Related measurements grouped for faster scanning.
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Material Handling ExcavatorNO
Track GuidanceNO
Air conditioningNO
BladeNO
Cabin AdjustmentNO
Diesel particulate filterYES
Overload AlertNO
Hydraulic quick hitchNO
Mechanical quick hitchNO
Overview
Model information
| Manufacturer | Caterpillar |
|---|---|
| Model | M322 wheel excavator |
| Model year / production | 2021-2026 |
Full specifications
Technical details
Performance
Engine power173 hp (129 kW)
Maximum torque830/1400 Nm
Tear-out Force34,171 lbf (152 kN)
Travel speed18.6 mph (30 km/h)
Dimensions
Bucket width3.94 ft (1.2 m)
Dipper Length9.51 ft (2.9 m)
Dredging Depth19.8 ft (6.05 m)
Max. Reach Horizontal32.5 ft (9.91 m)
Transport height10.9 ft (3.32 m)
Transport length31.9 ft (9.71 m)
Transport width9.02 ft (2.75 m)
Capacity & weight
Bucket capacity1.56 yd³ (1.19 m³)
Weight47,377 lb (21.5 t)
Overload AlertNo
Engine & drivetrain
Cylinder bore × stroke105×135 mm
Displacement1.85 US gal (7.01 L)
Emission levelV
Engine manufacturerCaterpillar
Engine typeC7.1
Number of cylinders6.0
Setup & fitment
Material Handling ExcavatorNo
Hydraulic quick hitchNo
Mechanical quick hitchNo
Standard tyres11.00-20
Features
Air conditioningNo
Diesel particulate filterYes
Other specifications
Track GuidanceNo
BladeNo
BoomVA
Cabin AdjustmentNo
Outrigger Stabilisers2 2/4-fold


