With fast cycle times, excellent lift capacity and high bucket and stick forces, the Cat® M322F Wheeled Excavator is the machine to go to to handle a range of tasks. A quiet, comfortable cab, boom and stick options and a range of work tools allow you to customize this machine to nearly any job.

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Engine Model Cat C7.1 Cat C7.1
Net Power 169.0 HP 126.0 kW
Bore 4.1 in 105.0 mm
Stroke 5.3 in 135.0 mm
Displacement 427.8 in³ 7.01 l
Maximum Torque - 1,400 rpm 612.0 ft·lbf 830.0 N·m
Engine Power - Maximum Net - ISO 9249/SAE J1349 126 kW (169 hp [171 hp]*) 126 kW (169 hp [171 hp]*)
Engine Power - Maximum Gross - ISO 14396 128.8 kW (173 hp [175 hp]*) 128.8 kW (173 hp [175 hp]*)
Emissions Meets Tier 4 Final/Stage IV emission standards. Meets Tier 4 Final/Stage IV emission standards.
Number of Cylinders - In Line 6 6
Ratings 1700.0 r/min 1700.0 r/min
Note *Metric values. *Metric values.


  • Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards. Emissions technology is transparent – no action required from the operator and no stopping for regeneration.
  • Up to a 10% fuel consumption reduction vs. previous model with the same productivity.
  • Built-in fuel savers, eliminating waste with features like Auto Engine Speed Control, Engine Idle Shutdown and efficient Eco Mode.
  • “On-Demand” Strategies, to consume just the right amount of fuel, with on-demand fan or new optimized demand-driven driveline.
  • Dedicated swing pump, allowing faster, smoother combined movements.
  • Highly mobile, the M322F can travel up to 30 km/h (19 mph).


  • Flexible configurations to meet all your needs with various booms/sticks, tires, undercarriages and counterweights.
  • “Plug and Play” design, with complete integration of the whole portfolio of Cat attachments.
  • Auxiliary hydraulics, including high pressure.
  • Readiness for Cat Pin Grabber quick coupler (with lines and circuits).
  • The monitor can allow ten hydraulic pump flow and pressure settings at the same time.
  • Joystick buttons/sliders can be set up per tool as desired.
  • Utility and finishing work are fast and flawless with a Cat compactor, finishing bucket or tilt bucket.
  • Demolition work is easy with a Cat hammer, grapple, shear, or multi-processor.
  • Couplers let you swap between attachments in seconds without leaving the cab.


  • A complete package of smart technologies with features like Cruise Control or automatic brake and axle lock. Optional boosters like Ride Control, SmartBoom™, joystick steering are available.
  • Everything can be adjusted in the cab from the steering column height to the electrically adjustable mirrors.
  • Ergonomic cab with controls kept to a minimum and conveniently located.
  • Split-screen monitor to allow quick view of both cameras on the same display.


  • Integrated devices to help enforce safe behavior, like seat belt indicator, or the speed limit setting when roading in reverse with the upper frame rotated.
  • Blue Angel certified machine, with low sound levels and vibrations.
  • Visibility: large glass areas, rear/side cameras. LED lamps for all working lights and cameras.
  • For added protection, the optional impact resistant windshield meets the EN356 P5A standard.
  • Integrated pin code adds anti-theft security to your equipment.


  • Ground level access to all routine maintenance (like fuel and engine oil filters).
  • Easy access: clean, simple design. Radiators are all gathered together.
  • Reduced maintenance: automatic features (like lubrication system) along with long greasing intervals. Fit for life Diesel Particulate Filter.


  • Product Link™ connects owners to their equipment, providing access to machine data such as location, hours, fuel consumption, idle time, events, and diagnostic codes.