The Cat M323F is a versatile, high-capacity railed excavator that gives you the freedom to move from road to rail with ease and allows you to expand your work to new terrains. 

Maintaining the tradition of reliable and durable performance, the Cat M323F railed excavator is the perfect solution for your rail, earthmoving, and lifting needs. 

Benefits of the M323F:

  • High Performance: The Cat C4.4 engine quickly responds to changing loads while delivering the same amount of power regardless of operating conditions. Load-sensing hydraulics provide fast cycle times and reduce load on the engine resulting in less fuel consumption. 

  • More Versatility: Flexible machine configurations and a variety of attachments (including heavy railway-specific tools) allow you to customise your machine to fit your needs.

  • Easier Maintenance: Fuel and engine oil filters, as well as fluid taps can be accessed at ground level. Axial fan and all coolers are gathered in the same compartment. Radiators are easy to clean and can be unlocked and tilted without any tools.

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  What you can expect from the Cat M323F Railed Excavator


The Cat M323F is highly mobile and can travel up to 20km/h (12mph) on road and rails. The hydrostatic drive on rail axles provides great driving and braking performance. Designed to have removable counterweight, which allows the machine to meet both railway and road regulations while increasing lifting and excavation capabilities. The short radius design complies with railway-specific environments without compromising the excavators’ performance and stability.


The Cat C4.4 engine meets EU Stage V emission standards. Auto Engine Speed Control helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working. 


The Cat M323F meets all applicable safety standards including EN15746. The E-fence technology limits movement when working under live wires or next to a track that is open to traffic. The second cab features an emergency stop button, backup electric horn, and main machine power switch. Rail and road adapted smart devices like a seatbelt warning indicator, automatic swing lock, and safety lever help improve safety on the job. 

The ergonomically designed cab features a high-resolution LCD monitor for quick access to functions. Hydraulic sensitivity can be adjusted from the joysticks on both roads and railways as well as adjustable seats, armrests, steering column, joystick controls, buttons, and thumb wheels for a unique operator experience.

Cat M323F Railed Excavator

Machine Specs:

  • Engine Model: Cat C4.4 
  • Number of Cylinders – In Line: 4 
  • Displacement: 4.4 l 
  • Maximum Torque – 1,400 rpm: 710 N.m 
  • Engine Power – Maximum Gross – ISO 14396: 117 kW (157 hp/159 PS) 
  • Ratings: 2000 r/min 
  • Operating Weight: 22 900 kg - 23 900 kg (weight varies depending on configuration)


It’s now easier than ever to get the financing you need. 

Cat Financial can help you finance the purchase of a new machine or support the repair or rebuild of your existing Cat machine.  

Their flexible financial solutions and special offers can be packaged to assist with Cat Certified Rebuilds, Undercarriage, Powertrain Hydraulics and new machine purchases. 

Click the learn more button for more information and for access to the handy Cat payment calculator. 

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