This service manual covers John Deere/Onan engines, specifically the 16, 18, 20, and 24HP models, including the B43E, B43G, P218G, B48G, P220G, and T260 engine types. These 2-cylinder, 4-cycle engines are integral to various John Deere equipment, such as the 316, 318, 420, and F910 mowers, among others. Designed for reliability and performance, these engines represent a robust solution for demanding applications. This comprehensive English service manual provides essential information for maintaining and repairing your John Deere/Onan engine. It includes detailed procedures for troubleshooting, maintenance, restoration, and rebuilding, supported by comprehensive illustrations, exploded views, and component breakdowns. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment.