Exterior View
Interior View
Maximum Operating Weight

57682 lb

Cutting/Mixing Width

96 in

Gross Power

415.7 hp

RM400 Rotary Mixer

ABOUT THE rm400

The versatile Cat® RM400 Reclaimer/Stabilizer delivers excellent material gradation, outstanding maneuverability, and simple operation with superb visibility for excellent overall job site performance. Your toughest road rehabilitation and soil stabilization jobs have met their match.

Add the RM400 Model to the Cart
Maximum Operating Weight
57682lb
Cutting/Mixing Width
96in
Maximum Cutting/Mixing Depth
20in
Operating Speed
2.97mile/h
Maximum Travel Speed
6.8mile/h
Rotor Options
Universal, Combination, Spade
Rotor Speed – First (at 2100 Engine rpm)
108r/min
Rotor Speed – Second (at 2100 Engine rpm)
134r/min
Rotor Speed – Third (at 2100 Engine rpm)
159r/min
Gross Power
415.7hp
Engine Model
Cat C9.3B
Fuel Tank Capacity
279gal (US)
Length
31.4ft
Width
9.8ft
Maximum Height
11.5ft
Wheel Base
20.7ft
Ground Clearance
19.7in
  • Operating Environment
    • Adjustable armrests
    • Air-ride, heated suspension seat
    • Audio-ready with speakers
    • Full width sliding cab with heat and air conditioning
    • Push button start
    • Illuminated dual-side access ladders
    • High visibility retractable seat belt
    • Mini-wheel steering control
    • Multifunction propel lever
    • Steering guides
    • Color touch screen operator interface
  • Powertrain
    • Air to Air Aftercooler (ATAAC)
    • Dual element air cleaner with pre-cleaner
    • Extended life coolant with protection to -37 degrees C (-35 degrees F)
    • On-demand fan with auto-reversing function
    • Four steering modes
    • All-Wheel Drive
    • Electronic differential
    • Oil-bath brake system
    • Powertrain guard
  • Electrical System
    • 150 amp alternator
    • 24-volt charging system
    • Automotive-type fuse system
    • Remote start/charge receptacle
    • Two 1365 CCA maintenance-free batteries
  • Rotor Drive System
    • Maintenance-free drive shafts
    • Self-lubricating roller and bearings
    • Shear disk driveline protection
    • Automatic depth control
    • Hydraulically-controlled dry clutch
    • Three rotor speeds
    • Variable volume mixing chamber
  • Service And Maintenance
    • Grouped filters with ground level access
    • Cat Product Link
    • Remote Flash
    • Remote access drains
    • Ports for Scheduled Oil Sampling (S·O·S)
    • Fluid level sight gauges
    • Service light receptacles
    • Toolbox
  • Safety
    • Back-up alarm (front and rear)
    • Front and rear facing cameras
    • Ground level emergency shutdown switches (3)
    • Horn (front and rear)
    • ROPS
    • Platform handrails and guardrails
    • Mirrors
    • Working lights (halogen or LED)
  • Operating Environment
    • Additional color touch screen
  • Powertrain
    • Bio-friendly hydraulic oil
  • Spray Systems
    • Water spray system
    • Emulsion spray system
    • Push bar
  • Rotor Drive System
    • Torque limiter driveline protection
    • Rotor – Universal
    • Rotor – Combination
    • Rotor – Spade
    • Material sizing breaker bar
  • Service And Maintenance
    • Integrated air compressor
    • Pneumatic bit removal tool
    • Additional toolbox
  • Safety
    • LED roading lights
    • Folding LED safety beacon
    • Folding side view cameras (2)
    • Front and rear rotor chamber door cameras

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

The Great Payback: Terms and Conditions

*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

Compact Equipment Offer: Terms and Conditions

Financing provided by Caterpillar Financial.
*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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