Caterpillar PM312 Cold Planer and Milling Machine Specs

Category: Cold Planers / Milling Machines ➔
Manufacturer: Caterpillar ➔
Model: PM312 ➔

General Specifications

Caterpillar PM312 Cold Planer and Milling Machine General Specifications specifications
DEPTH CUT	13.00 in (33.02 cm) — Starting 2025 Model Year
DIMENSIONS	8.33 x 36.45 — Starting 2025 Model Year
ENGINE	336.60 hp (251.01 kw) — Starting 2025 Model Year
OPERATING WEIGHT	48,429.00 lbs (21,967.05 kg) — Starting 2025 Model Year
WIDTH CUT	48.20 in (122.43 cm) — Starting 2025 Model Year

Cutting System

Caterpillar PM312 Cold Planer and Milling Machine Cutting System specifications
Maximum Milling Depth	13.00 in (33.02 cm) — Starting 2026 Model Year
Milling Width	48.20 in (122.43 cm) — Starting 2026 Model Year
Number of Bits	106 — Starting 2026 Model Year
Rotor Speeds	97 / 109 / 121 rpm — Starting 2026 Model Year

Dimensions

Caterpillar PM312 Cold Planer and Milling Machine Dimensions specifications
Conveyor Swing	±60 degrees from center — Starting 2026 Model Year
Height - Canopy	12.30 ft (3.75 m) — Starting 2026 Model Year
Maximum Truck Clearance	15.42 ft (4.70 m) — Starting 2026 Model Year
Minimum Left Cutting Radius	13.58 ft (4.14 m) — Starting 2026 Model Year
Minimum Right Cutting Radius	6.30 ft (1.92 m) — Starting 2026 Model Year
Operating Length - Conveyor Up	36.45 ft (11.11 m) — Starting 2026 Model Year
Operating Width	8.33 ft (2.54 m) — Starting 2026 Model Year
Transport Height	9.84 ft (3.00 m) — Starting 2026 Model Year
Transport Length	30.58 ft (9.32 m) — Starting 2026 Model Year
Transport Width	8.33 lb/in — Starting 2026 Model Year

Power Train

Caterpillar PM312 Cold Planer and Milling Machine Power Train specifications
Engine	C9.3B — Starting 2026 Model Year
Maximum Milling Speed	108.00 ft/min (32.92 m/min) — Starting 2026 Model Year
Maximum Travel Speed	3.40 mph (5.47 kph) — Starting 2026 Model Year
Rated Power	343.00 hp (255.78 kw) — Starting 2026 Model Year

Service Refill Capacities

Caterpillar PM312 Cold Planer and Milling Machine Service Refill Capacities specifications
Cooling System	16.90 gal (63.97 l) — Starting 2026 Model Year
Diesel Exhaust Fluid (DEF) Tank	12.40 gal (46.93 l) — Starting 2026 Model Year
Engine Oil	7.90 gal (29.90 l) — Starting 2026 Model Year
Fuel Tank	137.90 gal (521.95 l) — Starting 2026 Model Year
Hydraulic Tank	14.50 gal (54.88 l) — Starting 2026 Model Year
Water Spray System Tank	332.90 gal (1,260.03 l) — Starting 2026 Model Year

Weights

Caterpillar PM312 Cold Planer and Milling Machine Weights specifications
Operating Weight	47,407.00 lbs (21,503.48 kg) — Starting 2026 Model Year
Transport Weight	46,506.00 lbs (21,094.79 kg) — Starting 2026 Model Year

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