Caterpillar’s new PM622 cold planer has been fine tuned for improved operator comfort, visibility and ease of use, the company says.
Featuring a 630-horsepower C18 engine and an 88-inch milling width, attendees at the 2025 World of Asphalt trade show got a first look at a variety of improvements for the cold planer. The updates also extend to Cat's PM620, PM820, PM822 and PM825 models, with milling widths ranging from 79.1 to 98.6 inches.
(Take a tour of the new cold planer in our video above.)
One of the big updates to the PM622, according to David Peterson, market professional for Caterpillar cold planers, is a series of small mounts along the outside that allow operators to pick up and move their grade-control box where it’s needed. The PM622 has four of these mounts.
Another change is recessed panels that no longer impede the sight line of the operator. The lighting under the machine has also been recessed, something Peterson says will further help with operator visibility.
Some of the changes Caterpillar made to the PM622 build on difficulties operators were having with certain areas. For example, Peterson says, the red handles on the water distribution panel weren’t easy for operators to turn before but have since been updated for easier use.
Another example comes in the redesigned interface between the lower conveyor and the cutter box, which delivers a better seal against leakage. In the same area, Caterpillar updated other components as well.
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