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The PM620 is a high-production, half-lane milling machine with a cutting width of 2010 mm (79.1 in) that performs controlled full-depth removal of asphalt and concrete pavements in a single pass.

Cat Specs

Cutting System

Milling Width
79.1 in
Maximum Milling Depth
13 in
Rotor Speeds
100 / 109 / 118 rpm
Number of Bits


Operating Weight
73480 lb
Transport Weight
64882 lb

Power Train

Rated Power
636 HP
Cat C18
Maximum Travel Speed
3.7 mile/h
Maximum Milling Speed
328 ft/min

Service Refill Capacities

Engine Oil
17.2 gal (US)
Diesel Exhaust Fluid (DEF) Tank
12.4 gal (US)
Water Spray System Tank
898.2 gal (US)
Fuel Tank
292.7 gal (US)
Hydraulic Tank
29.9 gal (US)
Cooling System
22.5 gal (US)


Operating Length - Conveyor Up
47.64 ft
Height - Canopy
13.29 ft
Maximum Truck Clearance
15.94 ft
Minimum Right Cutting Radius
6.56 ft
Minimum Left Cutting Radius
6.56 ft
Conveyor Swing
60 degrees from center
Transport Length
40.78 ft
Transport Height
9.84 ft
Transport Width
8.14 in
Operating Width
10.2 ft