This service manual covers Kohler Command engines, specifically models CH18, CH25, CH620, CH730, CH740, and CH750. These engines are designed for Liquefied Petroleum Gas (LPG) or a combination of LPG and Natural Gas (NG) fuel systems. Engineered for reliability and performance, these engines are built to meet demanding operational requirements across various applications.

This comprehensive manual provides detailed information essential for the proper maintenance, repair, and servicing of your Kohler Command engine. It includes critical sections on safety procedures, routine maintenance schedules, detailed technical specifications, and a list of recommended tools. Furthermore, the manual offers in-depth troubleshooting guides, and step-by-step instructions for disassembly, inspection, service, and reassembly of key engine components, including the air cleaner, fuel system, governor, lubrication system, electrical system, starter system, and clutch.