PM312 Wheel Undercarriage

PM312 Wheel Undercarriage Cold Planer

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.

PM312 Cold Planer with Wheel Undercarriage

DESCRIPTION

The 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.

Efficient Performance

  • Cat® C9.3 engine meets regional emission standards
  • Smooth and efficient operation with Automatic Idle Control and multiple rotor speeds optimize output and demand on the engine
  • High capacity cooling system keeps engine at ideal temperatures for optimal fuel efficiency and lower emissions
  • Automatic load sensing on the rotor adjusts milling speed to prevent stalls and optimize production

Cat PM312 engine
Cat PM312 wheel undercarriage system

Maneuverability and Control

  • Robust propel system features dual displacement planetary motors at each leg post, utilizing a cross-drive pattern for additional traction in straight cuts
  • Automatic traction control maintains 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 or track undercarriage options offer a balance of traction, speed and maneuverability
  • Reliable track undercarriage option leverages proven designs from Cat dozers and an automatic tensioning system to ensure consistent performance and longer track life
  • Ability to electronically switch between rotor speeds during operation

Comfortable Work Environment

  • Operate in comfort with a standard suspension seat, adjustable right arm console and intuitive, ergonomic controls
  • A sliding operator station extends up to 215 mm (8.5 in) to provide improved visibility to the cutting edge
  • Work day or night with backlit keypads and well-lit work areas
  • Touchscreen displays provide access to gauge cluster, operating information, remote camera feeds, machine controls and diagnostics
  • Optional remote cameras enhance visibility to the cutting edges, conveyor, and rear of the machine
  • Cut closer to obstacles on the right side using an optional remote camera above the cutter box with an adjustable on-screen guidance line
  • Optional windscreens can be added for increased comfort
  • Maximize dust removal from the working areas with the optional dust abatement system

Cat PM312 operator station
Cat PM312 cutting system

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

Boost Precision with Integrated Cat Technology

  • Achieve accurate, repeatable and automatic cutting precision with the integrated Cat GRADE with Grade and Slope system
  • The optional grade control box can be positioned in the operator station or on the back of the machine to enable interaction with the grade system from the ground level
  • Obtain full control of grade and slope from any control box
  • Seamlessly swap between multiple grade sensors for uninterrupted accuracy during milling
  • Adjust the speed at which the rotor drops into the cut for optimal machine control
  • Set and automate transitions in/out of cuts and save settings for future jobs
  • Clear obstacles in the cutting path with ease using the obstacle jump feature
  • Enhance for full 3D milling operation (additional hardware required)

PM312 grade and slope controls
System K Rotor

System K Rotors

  • Cat System K rotors feature efficient material flow with an excellent cutting pattern for numerous applications
  • A dual taper retention design holds tool holders in place, without retaining pins or bolts, for faster bit changes
  • Reversible paddles and high strength alloys reduce wear and abrasion to extend rotor life
  • Optional diamond bits can extend replacement intervals up to 80 times longer than conventional carbide bits

Simplified Service

  • Maintenance is easier with large service doors for access to critical components
  • Maintenance-free track components and easy to replace track pads lower service costs
  • Standard ground-level controls and an optional hydraulically-operated rotor turning device simplify bit removal and replacement
  • Operate select machine functions during maintenance and service with the accessory drive system
  • Electrical system wiring is color-coded and numbered for easy identification and wrapped in a protective, abrasion-resistant nylon braid for longer life
  • Extended hydraulic oil service intervals: 3000 hours without oil sampling, 6000 hours with oil sampling
  • Track scheduled maintenance with Cat Product Link™ telematics services
  • Electronic Control Modules (ECMs) monitor machine systems to alert the operator of performance issues and can be paired with Product Link options to enable additional remote services with your local Cat dealer
  • Multi-piece, cartridge-style engine filters are environmentally friendly, reducing waste and lowering replacement costs
  • Convenient parts availability, dealer locations and service repair kits simplify ordering of high wear components

Cat PM312 servicability
  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

Standard Equipment

  • OPERATOR ENVIRONMENT
    • Sliding operator station
    • Suspension seat
    • Ground control keypad
    • Single high-resolution LCD touchscreen display
    • 12-volt power receptacle
  • CAT CONNECT TECHNOLOGY
    • Remote Troubleshoot capability
    • Cat Product Link
    • Cat GRADE
  • CONVEYOR
    • Material removal boost feature
  • ROTOR SYSTEM
    • Automatic plunge-cut
    • Automatic transition feature
    • Obstacle jump
    • Three cutting speeds
    • System K Rotor - Standard (15 mm)
  • POWERTRAIN
    • Auto engine idle control
    • High capacity cooling system
    • Automatic load control
    • Wheel undercarriage
  • HYDRAULIC SYSTEM
    • Traction control
  • SERVICE AND MAINTENANCE
    • Ports for Scheduled Oil Sampling (S·O·S℠)
    • Platform-level engine oil dipsticks
    • 1260 L (333 gal) onboard water tank
    • Side water fill valve
    • Water spray system
  • SAFETY AND SECURITY
    • Platform handrails
    • Signaling/warning horn
    • Halogen work lighting

Optional Equipment

  • OPERATOR ENVIRONMENT
    • Additional high-resolution LCD touchscreen display
    • Powered canopy
    • Windscreens
    • Remote camera with cut edge guidance
  • CAT CONNECT TECHNOLOGY
    • Sonic sensor (averaging or string line)
    • Ground level grade controls
  • CONVEYOR
    • Dust abatement system
    • Hydraulic folding conveyor
    • Remote camera (loading conveyor)
  • ROTOR SYSTEM
    • System K Rotor - Course (18 mm)
    • System K Rotor - Fine (8 mm)
    • Diamond bits
    • Pneumatic bit removal tool
    • Tool holder extractor
    • Rotor turning device
    • Ballast kit
  • POWERTRAIN
    • Track undercarriage
    • CE certificate
  • SERVICE AND MAINTENANCE
    • Air compressor
    • Accessory drive system
    • High pressure washdown
    • Low pressure washdown
    • Additional water spray system
    • Remote Flash
  • SAFETY AND SECURITY
    • LED work lighting (fixed, pole mounted, magnetic)
    • Warning beacon (fixed)
    • Truck signal lights
    • Roading Lights
    • Remote cameras (rear, front, cutting edges)

Specs

Overview

Long Name:
PM312 Wheel Undercarriage Cold Planer
Name:
PM312 Wheel Undercarriage
Brand:
Caterpillar
Status:
Current

Cutting System

Milling Width
48.2 in / 1225 mm

Power Train

Rated Power
336.6 HP / 251 kW

Weights

Operating Weight
46886 lb / 21267 kg

Cutting System

Maximum Milling Depth
13 in / 330 mm
Rotor Speeds
97 / 109 / 121 rpm
Number of Bits
106

Power Train

Engine
C9.3
Maximum Travel Speed
4.7 mile/h / 7.5 km/h
Maximum Milling Speed
108 ft/min / 33 m/min

Dimensions

Operating Length - Conveyor Up
36.45 ft / 11.11 m
Operating Width
8.33 ft / 2.54 m
Height - Canopy
12.3 ft / 3.75 m
Maximum Truck Clearance
15.42 ft / 4.7 m
Minimum Right Cutting Radius
6.56 ft / 2 m
Minimum Left Cutting Radius
13.88 ft / 4.23 m
Conveyor Swing
60 degrees from center
Transport Length
30.58 ft / 9.32 m
Transport Width
8.33 lb/in / 2.54 m
Transport Height
9.84 ft / 3 m

Weights

Transport Weight
43332 lb / 19655 kg

Service Refill Capacities

Fuel Tank
158.5 gal (US) / 600 l
Cooling System
16.4 gal (US) / 62 l
Engine Oil
7.9 gal (US) / 30 l
Hydraulic Tank
15.6 gal (US) / 59 l
Water Spray System Tank
332.9 gal (US) / 1260 l
Diesel Exhaust Fluid (DEF) Tank
5.8 gal (US) / 22 l