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M322

Working hard has never been easier than with the Cat® M322 Wheeled Excavator. This machine is designed to help you take on a wide variety of challenges at a lower cost. The Cat M322 plays its part in optimizing the operator’s efficiency to increase cash flow. Enjoy the versatility, precision, and efficiency offered by integrated solutions like Cat Grade and Payload technologies. Combined with simplified maintenance, the M322 keeps you working quickly and easily.

Engine Power - ISO 14396
174 HP
Operating Weight Maximum
52911 lb
Forward/Reverse - 2nd Gear
18.6 mile/h
Engine Model
C 7.1

Engine

Engine Power - ISO 14396
174HP
Engine Model
C 7.1
Net Power - ISO 9249
171HP
Bore
4.1in
Stroke
5.3in
Displacement
427.8in²

Machine Weight

Operating Weight Maximum
52911lb
Operating Weight Minimum
44750lb

Transmission

Forward/Reverse - 2nd Gear
18.6mile/h
Forward/Reverse - 1st Gear
5.6mile/h
Creeper Speed - 1st Gear
3.4mile/h
Creeper Speed - 2nd Gear
9.3mile/h
Drawbar Pull
28551lbf
Maximum Gradeability
70%

Hydraulic System

Main System - Maximum Flow - Implement
95gal/min
Maximum Pressure - Implement Circuit - Heavy Lift
5366psi
Maximum Pressure - Implement Circuit - Travel Circuit
5076psi
Maximum Pressure - Implement Circuit - Normal
5076psi

Swing Mechanism

Swing Torque
44250lb/ft

Service Refill Capacities

Fuel Tank
124.2gal (US)
Diesel Exhaust Fluid (DEF)
7.9gal (US)
Cooling System
10.6gal (US)
Engine Oil
3.4gal (US)
Hydraulic Tank
52.8gal (US)
Hydraulic System - Including Tank
71.3gal (US)

Dimensions

Boom
VA 5.4m (17'10")
Stick
2.9m (9'2")
Shipping Height with Falling Object Guard
11ft
Support Point
11.3ft
Shipping Length
31.1ft
Tail Swing Radius
9.2ft
Counterweight Clearance
4.3ft
Ground Clearance
1.25ft
Wheel Base
9ft

Working Ranges and Forces

Boom Type
VA 5.4m (17'10")
Stick
2.9m (9'2")
Bucket
GD 1.2 m³ (1.7 yd³)
Maximum Loading Height
24.7ft
Maximum Digging Depth
21.8ft
Reach at Ground Level
33.4ft
Vertical Wall Digging Depth
17.3ft
Bucket Forces (ISO)
33946lbf
Stick Forces (ISO)
23605lbf
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft

working Ranges and Forces

Cutting Height
35.8ft

Air Conditioning System

Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.

Standard Equipment:

  • Cab
    • ROPS, advanced sound suppression
    • Premium cab with auto-adjustable seat and air ventilation
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Remote Flash/Troubleshoot capability
  • Engine
    • Power mode selector
    • One-touch low idle with auto engine speed control
    • Auto engine idle shutdown
    • 52°C (125°F) high-ambient cooling capacity
    • Cold start capability-18°C (0°F)
    • Double element air filter with integrated precleaner
    • Electric fuel priming pump
    • On-demand electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Automatic swing brake
    • Auto hydraulic oil warm up
    • Electronic main control valve
    • Boom, stick, and bucket drift reduction valves
    • 1-slider joystick
    • Heavy lift mode
    • Separate dedicated swing pump
    • Boom, stick, and bucket drift reduction valves
  • Undercarriage And Structures
    • 11.00-20 16 PR, dual tires
    • Automatic brake/axle lock
    • Creeper speed
    • All wheel drive
  • Electrical System
    • LED lights on chassis (left-hand, right-hand) and counterweight
    • Programmable time-delay LED working lights
    • Roading and indicator lights, front and rear
    • Maintenance-free batteries
    • Centralized electrical disconnect switch
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S)
  • Safety And Security
    • Rear- and right-side-view cameras
    • Ground-level engine shutoff switch
    • Anti-skid plate and countersunk bolts on service platform

Optional Equipment:

  • Cab
    • Cat Grade with 2D
    • Cat Grade with Advanced 2D
    • Cat Grade with 3D
    • Laser catcher
    • Cat Payload includes payload information, static weigh, and auto calibration
    • Auxiliary relay
    • 2D e-Fence
  • Hydraulic System
    • 2-slider joystick
    • Second high-pressure auxiliary circuit (one-/ two-way high-pressure flow)
    • Medium pressure auxiliary circuit (one-/ two-way medium-pressure flow)
    • Quick coupler circuit
    • SmartBoomTM
    • Ride control
    • Cat tiltrotator support
    • Joystick steering
    • Boom/stick lowering check valves
  • Boom And Sticks
    • 5.4 m (17'10") variable adjustable boom
    • 2.5 m (8'2") stick
    • 2.9 m (9'6") stick
  • Undercarriage And Structures
    • 3500 kg (7,716 lb) counterweight
    • 4700 kg (10,362 lb) counterweight
  • Electrical System
    • Electrical refueling pump
  • Service And Maintenance
    • Automatic lubrication system for implement and swing system
  • Safety And Security
    • 360° visibility
    • Cat asset tracker
    • Wide angle mirrors
    • Signaling/warning horn

Specifications

Engine

Engine Power - ISO 14396
174HP
Engine Model
C 7.1
Net Power - ISO 9249
171HP
Bore
4.1in
Stroke
5.3in
Displacement
427.8in²

Machine Weight

Operating Weight Maximum
52911lb
Operating Weight Minimum
44750lb

Transmission

Forward/Reverse - 2nd Gear
18.6mile/h
Forward/Reverse - 1st Gear
5.6mile/h
Creeper Speed - 1st Gear
3.4mile/h
Creeper Speed - 2nd Gear
9.3mile/h
Drawbar Pull
28551lbf
Maximum Gradeability
70%

Hydraulic System

Main System - Maximum Flow - Implement
95gal/min
Maximum Pressure - Implement Circuit - Heavy Lift
5366psi
Maximum Pressure - Implement Circuit - Travel Circuit
5076psi
Maximum Pressure - Implement Circuit - Normal
5076psi

Swing Mechanism

Swing Torque
44250lb/ft

Service Refill Capacities

Fuel Tank
124.2gal (US)
Diesel Exhaust Fluid (DEF)
7.9gal (US)
Cooling System
10.6gal (US)
Engine Oil
3.4gal (US)
Hydraulic Tank
52.8gal (US)
Hydraulic System - Including Tank
71.3gal (US)

Dimensions

Boom
VA 5.4m (17'10")
Stick
2.9m (9'2")
Shipping Height with Falling Object Guard
11ft
Support Point
11.3ft
Shipping Length
31.1ft
Tail Swing Radius
9.2ft
Counterweight Clearance
4.3ft
Ground Clearance
1.25ft
Wheel Base
9ft

Working Ranges and Forces

Boom Type
VA 5.4m (17'10")
Stick
2.9m (9'2")
Bucket
GD 1.2 m³ (1.7 yd³)
Maximum Loading Height
24.7ft
Maximum Digging Depth
21.8ft
Reach at Ground Level
33.4ft
Vertical Wall Digging Depth
17.3ft
Bucket Forces (ISO)
33946lbf
Stick Forces (ISO)
23605lbf
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft

working Ranges and Forces

Cutting Height
35.8ft

Air Conditioning System

Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.

Standard/Optional Features

Standard Equipment:

  • Cab
    • ROPS, advanced sound suppression
    • Premium cab with auto-adjustable seat and air ventilation
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Remote Flash/Troubleshoot capability
  • Engine
    • Power mode selector
    • One-touch low idle with auto engine speed control
    • Auto engine idle shutdown
    • 52°C (125°F) high-ambient cooling capacity
    • Cold start capability-18°C (0°F)
    • Double element air filter with integrated precleaner
    • Electric fuel priming pump
    • On-demand electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Automatic swing brake
    • Auto hydraulic oil warm up
    • Electronic main control valve
    • Boom, stick, and bucket drift reduction valves
    • 1-slider joystick
    • Heavy lift mode
    • Separate dedicated swing pump
    • Boom, stick, and bucket drift reduction valves
  • Undercarriage And Structures
    • 11.00-20 16 PR, dual tires
    • Automatic brake/axle lock
    • Creeper speed
    • All wheel drive
  • Electrical System
    • LED lights on chassis (left-hand, right-hand) and counterweight
    • Programmable time-delay LED working lights
    • Roading and indicator lights, front and rear
    • Maintenance-free batteries
    • Centralized electrical disconnect switch
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S)
  • Safety And Security
    • Rear- and right-side-view cameras
    • Ground-level engine shutoff switch
    • Anti-skid plate and countersunk bolts on service platform

Optional Equipment:

  • Cab
    • Cat Grade with 2D
    • Cat Grade with Advanced 2D
    • Cat Grade with 3D
    • Laser catcher
    • Cat Payload includes payload information, static weigh, and auto calibration
    • Auxiliary relay
    • 2D e-Fence
  • Hydraulic System
    • 2-slider joystick
    • Second high-pressure auxiliary circuit (one-/ two-way high-pressure flow)
    • Medium pressure auxiliary circuit (one-/ two-way medium-pressure flow)
    • Quick coupler circuit
    • SmartBoomTM
    • Ride control
    • Cat tiltrotator support
    • Joystick steering
    • Boom/stick lowering check valves
  • Boom And Sticks
    • 5.4 m (17'10") variable adjustable boom
    • 2.5 m (8'2") stick
    • 2.9 m (9'6") stick
  • Undercarriage And Structures
    • 3500 kg (7,716 lb) counterweight
    • 4700 kg (10,362 lb) counterweight
  • Electrical System
    • Electrical refueling pump
  • Service And Maintenance
    • Automatic lubrication system for implement and swing system
  • Safety And Security
    • 360° visibility
    • Cat asset tracker
    • Wide angle mirrors
    • Signaling/warning horn