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.
Financial Programs
- Downpayment>49%
- Period36 months
- Rate0%
Engine
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Engine Model
- C 7.1
- Net Power - ISO 9249
- 171 hp
- Net Power - ISO 9249 (DIN)
- 174 hp (metric)
- Bore
- 4.1 in
- Displacement
- 427.8 in²
- Stroke
- 5.3 in
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2,014 emission standards.
- Note (1)
- Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar
- Note (2)
- ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Machine Weight
- Operating Weight Maximum
- 52,911 lb
- Operating Weight Minimum
- 44,750 lb
Transmission
- Forward/Reverse - 2nd Gear
- 18.6 mile/h
- Forward/Reverse - 1st Gear
- 5.6 mile/h
- Creeper Speed - 1st Gear
- 3.4 mile/h
- Creeper Speed - 2nd Gear
- 9.3 mile/h
- Drawbar Pull
- 28,551 lbf
- Maximum Gradeability
- 70%
Hydraulic System
- Main System - Maximum Flow - Implement
- 95 gal/min
- Maximum Pressure - Implement Circuit - Heavy Lift
- 5,366 psi
- Maximum Pressure - Implement Circuit - Travel Circuit
- 5,076 psi
- Maximum Pressure - Implement Circuit - Normal
- 5,076 psi
Swing Mechanism
- Swing Torque
- 44,250 lb/ft
Service Refill Capacities
- Fuel Tank
- 124.2 gal (US)
- Diesel Exhaust Fluid (DEF)
- 7.9 gal (US)
- Cooling System
- 10.6 gal (US)
- Engine Oil
- 3.4 gal (US)
- Hydraulic Tank
- 52.8 gal (US)
- Hydraulic System - Including Tank
- 71.3 gal (US)
Dimensions
- Boom
- VA 5.4m (17'10")
- Stick
- 2.9m (9'2")
- Shipping Height with Falling Object Guard
- 11 ft
- Support Point
- 11.3 ft
- Shipping Length
- 31.1 ft
- Tail Swing Radius
- 9.2 ft
- Counterweight Clearance
- 4.3 ft
- Ground Clearance
- 1.25 ft
- Wheel Base
- 9 ft
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
- 24.7 ft
- Maximum Digging Depth
- 21.8 ft
- Reach at Ground Level
- 33.4 ft
- Vertical Wall Digging Depth
- 17.3 ft
- Bucket Forces (ISO)
- 33,946 lbf
- Stick Forces (ISO)
- 23,605 lbf
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.6 ft
working Ranges and Forces
- Cutting Height
- 35.8 ft
Air Conditioning System
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.
Standard Equipment:
- Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- Cab
- ROPS, advanced sound suppression
- Premium cab with auto-adjustable seat and air ventilation
- High-resolution 254 mm (10 in) LCD touchscreen monitor
- Boom And Sticks
- 5.4 m (17'10") variable adjustable boom
- Cat Technology
- VisionLink
- Remote Flash
- Remote Troubleshoot
- 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
- 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
- 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
- Safety And Security
- Rear- and right-side-view cameras
- Ground-level engine shutoff switch
- Anti-skid plate and countersunk bolts on service platform
- Service And Maintenance
- Sampling ports for Scheduled Oil Sampling (S·O·S)
- Integrated vehicle health management system
- Undercarriage And Structures
- 11.00-20 16 PR, dual tires
- Automatic brake/axle lock
- Creeper speed
- All wheel drive
Optional Equipment:
- Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- Boom And Sticks
- 2.5 m (8'2") stick
- 2.9 m (9'6") stick
- Cat Technology
- Cat Grade Connectivity
- Cat Grade 2D
- Cat Grade with Attachment Ready Option (ARO)
- Cat Grade 3D dual GNSS
- Laser catcher
- Grade Assist
- Cat Payload
- Cat Tilt Rotator (TRS) Integration
- Electrical System
- Electrical refueling pump
- 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
- SmartBoom
- Ride control
- Cat tiltrotator support
- Joystick steering
- Boom/stick lowering check valves
- Safety And Security
- 360° visibility
- Cat asset tracker
- Wide angle mirrors
- Signaling/warning horn
- 2D E-Fence
- Inspection lighting
- Service And Maintenance
- Automatic lubrication system for implement and swing system
- Undercarriage And Structures
- 3500 kg (7,716 lb) counterweight
- 4700 kg (10,362 lb) counterweight
Specifications
Engine
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Engine Model
- C 7.1
- Net Power - ISO 9249
- 171 hp
- Net Power - ISO 9249 (DIN)
- 174 hp (metric)
- Bore
- 4.1 in
- Displacement
- 427.8 in²
- Stroke
- 5.3 in
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2,014 emission standards.
- Note (1)
- Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar
- Note (2)
- ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Machine Weight
- Operating Weight Maximum
- 52,911 lb
- Operating Weight Minimum
- 44,750 lb
Transmission
- Forward/Reverse - 2nd Gear
- 18.6 mile/h
- Forward/Reverse - 1st Gear
- 5.6 mile/h
- Creeper Speed - 1st Gear
- 3.4 mile/h
- Creeper Speed - 2nd Gear
- 9.3 mile/h
- Drawbar Pull
- 28,551 lbf
- Maximum Gradeability
- 70%
Hydraulic System
- Main System - Maximum Flow - Implement
- 95 gal/min
- Maximum Pressure - Implement Circuit - Heavy Lift
- 5,366 psi
- Maximum Pressure - Implement Circuit - Travel Circuit
- 5,076 psi
- Maximum Pressure - Implement Circuit - Normal
- 5,076 psi
Swing Mechanism
- Swing Torque
- 44,250 lb/ft
Service Refill Capacities
- Fuel Tank
- 124.2 gal (US)
- Diesel Exhaust Fluid (DEF)
- 7.9 gal (US)
- Cooling System
- 10.6 gal (US)
- Engine Oil
- 3.4 gal (US)
- Hydraulic Tank
- 52.8 gal (US)
- Hydraulic System - Including Tank
- 71.3 gal (US)
Dimensions
- Boom
- VA 5.4m (17'10")
- Stick
- 2.9m (9'2")
- Shipping Height with Falling Object Guard
- 11 ft
- Support Point
- 11.3 ft
- Shipping Length
- 31.1 ft
- Tail Swing Radius
- 9.2 ft
- Counterweight Clearance
- 4.3 ft
- Ground Clearance
- 1.25 ft
- Wheel Base
- 9 ft
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
- 24.7 ft
- Maximum Digging Depth
- 21.8 ft
- Reach at Ground Level
- 33.4 ft
- Vertical Wall Digging Depth
- 17.3 ft
- Bucket Forces (ISO)
- 33,946 lbf
- Stick Forces (ISO)
- 23,605 lbf
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.6 ft
working Ranges and Forces
- Cutting Height
- 35.8 ft
Air Conditioning System
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.
Standard/Optional Features
Standard Equipment:
- Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- Cab
- ROPS, advanced sound suppression
- Premium cab with auto-adjustable seat and air ventilation
- High-resolution 254 mm (10 in) LCD touchscreen monitor
- Boom And Sticks
- 5.4 m (17'10") variable adjustable boom
- Cat Technology
- VisionLink
- Remote Flash
- Remote Troubleshoot
- 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
- 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
- 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
- Safety And Security
- Rear- and right-side-view cameras
- Ground-level engine shutoff switch
- Anti-skid plate and countersunk bolts on service platform
- Service And Maintenance
- Sampling ports for Scheduled Oil Sampling (S·O·S)
- Integrated vehicle health management system
- Undercarriage And Structures
- 11.00-20 16 PR, dual tires
- Automatic brake/axle lock
- Creeper speed
- All wheel drive
Optional Equipment:
- Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- Boom And Sticks
- 2.5 m (8'2") stick
- 2.9 m (9'6") stick
- Cat Technology
- Cat Grade Connectivity
- Cat Grade 2D
- Cat Grade with Attachment Ready Option (ARO)
- Cat Grade 3D dual GNSS
- Laser catcher
- Grade Assist
- Cat Payload
- Cat Tilt Rotator (TRS) Integration
- Electrical System
- Electrical refueling pump
- 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
- SmartBoom
- Ride control
- Cat tiltrotator support
- Joystick steering
- Boom/stick lowering check valves
- Safety And Security
- 360° visibility
- Cat asset tracker
- Wide angle mirrors
- Signaling/warning horn
- 2D E-Fence
- Inspection lighting
- Service And Maintenance
- Automatic lubrication system for implement and swing system
- Undercarriage And Structures
- 3500 kg (7,716 lb) counterweight
- 4700 kg (10,362 lb) counterweight