Engines

Rock Machinery’s branded engines deliver relentless power and unwavering reliability for demanding jobs. Whether you're powering forestry, agricultural, or construction equipment, these heavy-duty 4-stroke engines ensure consistent performance in tough conditions. The compact yet robust RM196F brings efficiency to smaller tasks, while the RM420F with electric start delivers extra push with effortless ignition. Built to last, these engines are the dependable core that ordinary power sources simply can’t match.