The AM General Hummer H1, produced from 1995 to 2007, is an iconic, highly capable off-road vehicle derived from military origins. Known for its unparalleled extreme terrain performance, robust construction, and distinctive aesthetic, the H1 offers exceptional ground clearance and durability. It was engineered to bridge military utility with civilian extreme-duty performance, featuring powerful diesel engines such as the 6.5L Turbo Diesel and the later 6.6L Duramax Turbo Diesel, and robust drivetrain components like the 4-speed automatic transmission and transfer case.

This comprehensive workshop manual and electrical wiring diagram set provides detailed coverage for all major mechanical, electrical, and body systems of the Hummer H1. It includes extensive procedures for routine maintenance, component removal and installation, diagnostic troubleshooting, and repair for engines, transmissions, axles, suspension, brakes, steering, and electrical systems. With over 1000 pages of information presented in a high-resolution, searchable, and printable English format, this manual is an essential resource for owners, mechanics, and technicians seeking to maintain and repair their Hummer H1 effectively.