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PM312 Wheel Undercarriage (Tier 3) Cold Planer

The Cat PM312 is an efficient, highly maneuverable milling machine with a cutting width of 1225 mm (48.2 in) that performs controlled full-depth removal of asphalt and concrete pavements in a single pass. Integrated Cat GRADE and the latest System K rotors deliver performance, productivity and cutting precision. A comfortable operator environment puts intuitive controls at your fingertips, while long service intervals and easy maintenance access simplifies service. While designed for a single operator, the PM312 includes added features for supporting ground personnel. Many options are available to enhance machine versatility when optimum maneuverability or high production capabilities are required.

PM312 Wheel Undercarriage (Tier 3)

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The PM312 is a highly maneuverable 1.2 meter milling machine for small-to-medium job sites and performs controlled full-depth removal of asphalt and concrete pavements in a single pass.

Milling Width
48.2 in
Rated Power
343 hp
Operating Weight
45209 lb
Maximum Milling Depth
13 in
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  • Specifications
  • Features
  • Standard Equipment

Specifications

Cutting System specifications
Milling Width 1225 mm
Maximum Milling Depth 330 mm
Rotor Speeds 97 / 109 / 121 rpm
Number of Bits 106

Features

Efficient Performance

  • Cat® C9.3B engine meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA and offers increased power density with improved electronic, fuel, and air systems
  • Engine Idle Speed Management and multiple rotor speeds optimize output and demand on the engine
  • Variable speed cooling fans operate at the lowest possible speed for optimal cooling
  • Automatic load sensing on the rotor adjusts milling speed to prevent stalls and optimize production

Maneuverability and Control

  • Robust propel system features dual displacement motors at each leg post, utilizing a cross-drive pattern for additional traction in straight cuts
  • Automatic traction control helps reduce track slip and maintain consistent speed in the most challenging applications
  • Articulating right rear leg maximizes stability and traction in demanding cuts while enhancing flush cutting capability when needed
  • Optional ballast weight kit available to increase productivity in specific applications
  • Wheel undercarriage offers a balance of traction, speed and maneuverability
  • Ability to electronically switch between rotor speeds during operation

Highly Effective Material Removal

  • High-capacity conveyors provide efficient removal of milled material with outstanding discharge control
  • A wide opening and seamless belt effectively clear the rotor chamber
  • Adjust the belt speed to match material type and production rate
  • The belt reverses for quick clean out, while magnetic vinyl covers provide quick access to inspect and clean the rollers

Durable Cutting System

  • The rotor drive system features a heavy-duty dry clutch, dual stage belt drive and automatic belt-tensioning to prevent slippage
  • Reinforced cutting chamber offers enhanced durability
  • Hardened full length side plate skis and anti-slab shoes reduce wear and maintenance

High Production System K Rotors

  • Cat System K rotors feature efficient material flow with an excellent cutting pattern for numerous applications
  • A tapered dual-retention design secures toolholders in place without a retaining pin, bolt or setscrew, speeding up replacement and eliminating the need for fasteners or torquing
  • Toolholders, base blocks and kicker paddles are built from high strength alloy steel that’s abrasion resistant for extended life
  • Optional diamond bits can extend replacement intervals up to 40 times longer than conventional carbide bits

Standard Equipment

OPERATOR ENVIRONMENT
  • Sliding operator station
  • Suspension seat
  • Ergonomically adjustable arm rest
  • Ground control keypad
  • High-resolution LCD touchscreen display
CAT CONNECT TECHNOLOGY
  • Remote Flash
  • Remote Troubleshoot
  • Cat Grade with Grade and Slope
  • VisionLink® telematics
ROTOR SYSTEM
  • Automatic plunge-cut
  • Automatic grade and slope transition feature
  • Obstacle jump
  • Three cutting speeds
POWERTRAIN
  • Engine Idle Speed Management
  • High capacity cooling system
  • Automatic Load Control
HYDRAULIC SYSTEM
  • Traction control
SERVICE AND MAINTENANCE
  • Ports for Scheduled Oil Sampling (S·O·S℠)
  • Platform-level engine oil dipsticks
  • 1260 L (332.9 gal) onboard water tank
  • Side water fill valve
  • Water spray system
SAFETY AND SECURITY
  • Platform handrails
  • Signaling/warning horn

Optional Equipment

OPERATOR ENVIRONMENT

  • Additional high-resolution LCD touchscreen display
  • Powered canopy
  • Windscreen
  • Exhaust diverter

CAT CONNECT TECHNOLOGY

  • Sonic grade control sensors
  • High-resolution LCD touchscreen display (for ground level grade controls)

CONVEYOR

  • Dust abatement system
  • Hydraulic folding conveyor

ROTOR SYSTEM

  • Rotor turning device (with pendant control)
  • System K Rotor – Coarse (18 mm)
  • System K Rotor – Standard (15 mm)
  • System K Rotor - Fine (8 mm)
  • Diamond bits

HYDRAULIC SYSTEM

  • Cat Bio HYDO™ Advanced biodegradable hydraulic oil
  • High ambient hydraulic oil

SERVICE AND MAINTENANCE

  • Air compressor
  • Accessory drive system
  • High pressure washdown
  • Low pressure washdown
  • Additional water spray system (dust control)

SAFETY AND SECURITY

  • Halogen work lighting
  • Wide dispersion LED work lighting
  • Warning beacon (fixed)
  • LED roading lights
  • Truck signal lights