This workshop manual covers the Jungheinrich DFG 660, DFG 690, TFG 660, and TFG 690 forklift trucks manufactured from November 2008. These heavy-duty internal combustion counterbalance trucks are engineered for demanding applications, offering robust construction, high performance, and advanced technological features. The DFG/TFG 6-series is recognized for its powerful diesel or LPG engines, precise hydrostatic power steering, efficient hydraulic systems for superior load handling, and operator-centric cabins designed for excellent visibility. These models compete in the premium heavy-duty IC forklift market, often distinguishing themselves through operator ergonomics, fuel efficiency, and sophisticated diagnostic capabilities.

This comprehensive 941-page English-language workshop manual provides detailed factory-level repair and maintenance information. It includes high-quality illustrated images and circuit diagrams to assist in operating and repairing your truck. The manual covers all essential systems, including the powertrain, hydraulic systems, electrical systems, chassis, frame, and operator compartment. It details routine maintenance procedures, systematic troubleshooting guides, component repair and overhaul instructions, electrical diagnostics, hydraulic system service, and crucial safety procedures. This resource is designed to empower owners, mechanics, and technicians to effectively maintain, diagnose, and repair these sophisticated Jungheinrich forklifts, ensuring their longevity and optimal performance.