The machines are powered by a Cat C18 ACERT engine, a turbocharged 6-cylinder diesel engine that provides 630 hp of gross power. The Automatic Engine Speed Control feature allows the engine to optimize output to match the load, reducing excessive fuel consumption and wear on the engine.

The PM620 and PM622 utilize a four-post design. The leg posts feature an auto-leveling function that provides smooth height adjustment without stepping. Drive motors are piston-type and automatically control displacement to provide maximum torque for work or greater speed for moving around the job site. A propel lever/steering joystick provides control of the travel speed within the range.

Options include a diamond bit cutting drum and bits, a self-powered canopy, canopy windscreens, additional touchscreen displays, Cat Grade Control, inboard averaging ski with position sensing cylinder, suspension seats, remote cameras, additional water spray system, dust abatement vacuum system, a rotor turning attachment, a high-pressure wash down system, bucket trays for cutter bit bucket storage, a high capacity water tank refilling pump and an electric refueling pump.

Caterpillar Inc.

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