This workshop manual covers the KOHLER KD225, a single-cylinder, 4-stroke, air-cooled diesel engine designed for industrial and agricultural applications. With a displacement of 219 cc and a fuel capacity of 5.5 liters, this engine is engineered for reliability and performance in demanding environments. Its robust construction and efficient operation make it a dependable power source for a variety of equipment. The engine operates effectively within ambient temperatures ranging from -15°C to 40°C.

This manual provides comprehensive guidance for the maintenance and repair of the KOHLER KD225 engine. It details essential information including recommended service intervals, lubrication requirements with specific oil types and capacities, and troubleshooting procedures. Technical specifications and operating parameters are also included to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the engine. Adherence to the procedures outlined herein will help maintain the engine's operational integrity.