Updated cold planers from Cat

Jon Lawson

These milling machines now meet US EPA Tier 4 Final and EU Stage V emission standards. They are powered by a fuel-efficient Cat C18 turbocharged, 6-cylinder diesel engine. 

The PM820, PM822 and PM825 Cold Planers feature an increased power rating of 597 kW (800.6 hp). It now features multi-piece, cartridge-style filters. This design is more environmentally friendly, reducing waste and lowering replacement costs.

Inside, updated handrails increase operator comfort and ease-of-use in flush cutting applications. The new pivoting handrails stow and redeploy easily on the right-hand side when an obstacle comes close to the machine. Obstacle jump is easier to execute from the operator platform with new visual indicators located on the top edge of the side plates indicating where the rotor is positioned and correlate with the markings on the side plate.

Further enhancements include an updated track pin design. A lower pin location increases tractive effort and force on the undercarriage when milling in deep or hard applications. New hardened steel bolt-on wear skis run the full length of side plates and a wear shoe on the anti-slab assembly reduce wear and maintenance.

New optimised rotors

Cat Cold Planers are available with the Cat System K milling rotors and feature efficient material flow with an excellent cutting pattern. Rotors are available with spacings of 8mm, 15mm and 18mm for a wide range of milling applications. The dual taper retention design provides a reliable method for holding the tool holders in the blocks without the need for a retaining pin or bolt. Reversible paddles and high strength alloys offer more resistance to abrasion and reduce wear for extended rotor life.

Optional Cat diamond bits feature a new design for the System K rotors and last up to 80 times longer than conventional carbide bits to extend intervals between bit maintenance, increase production and reduce operating costs. Cat Diamond Bits are sharper than conventional carbide bits, allowing the machine to cut faster and to reduce drag on the cutting system for better fuel economy in demanding applications.