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H1



The Hummer H1 is a vehicle like no other. Born from a military contract, the H1 is a testament to American ingenuity. Made in Mishawaka, Indiana at the AM General Hummer Assembly Plant, the H1 rolled off the same production line as its military brother the M998 Humvee. It is hard to imagine another car model quite as synonymous with off-roading capabilities as the H1. Although no longer in production, the H1 still holds a place in automotive history. Thankfully, with the help of the Hummer H1 repair manual, owners and enthusiasts can maintain these vehicles.

The H1 was unveiled to the public in March of 1992. After receiving inadvertent publicity during the Gulf War and a passionate promotion by Arnold Schwarzenegger, the H1 was instantly popular. Manufactured until 2006, the H1 enjoyed the brand’s longest production run of its 3 models. However, despite that lengthy run, it was deliberately made in low numbers with a total production of just over 11,800 vehicles.

Over its 14-year production run, the H1 came with various engine and transmission configurations. The first and second engine configurations were both diesel V-8s. The first engine had a displacement of 6.2L while the second was increased by .3L. The third engine configuration was the only non-diesel of the group and a 5.7L V-8. A 6.5L V-8 turbo diesel was chosen for the fourth engine configuration. The fifth and final engine offered in an H1 was the 6.6L V-8 turbo diesel. Three different transmissions were offered on the H1; a 3-speed paired with the first engine configuration, a 4-speed paired with the middle three configurations, and finally a 5-speed with the fifth and final engine configuration.

The H1 is legendary for its off-roading capabilities and it has the stats to back it. With a stock ground clearance of 16 inches, the H1 is capable of fording 30 inches of water and climbing a 22-inch high obstacle. The H1 is also able to climb a 70-degree slope and descend a near 40-degree incline. A majority of H1s were also made with central tire inflation systems further increasing the vehicle's performance off-road.

Although the H1 wasn’t around for very long, car enthusiasts and the military have a great appreciation for them. These off-roading SUVs helped introduce off-roading capabilities within other brands. With the help of an Hummer H1 service manual, owners of these historical vehicles can ensure that their H1s remain in tip-top shape.