HUMMER History

By Jeep Experts

In 1979, AM General started preliminary design work on the M998 Series High Mobility Multi-Purpose Wheeled Vehicle (HMMWV, pronounced Humvee®); a 1.25-ton truck meant to interchange the M151 and different gentle tactical autos. The U.S. Army awarded AM General a prototype contract in 1981 and the event and operational testing was performed over a five-month interval in 1982. In March 1983, AM General received an preliminary $1.2 billion contract to supply 55,000 Humvees to be delivered in 5 fundamental fashions and 15 totally different configurations over a five-year interval. The Army subsequently elevated their order with over 15,000 further autos, elevating the entire contract order to 70,000 Humvees valued at $1.6 billion.

The Humvee presents distinctive pace, mobility and agility and is constructed upon a multi-purpose platform, which is able to accommodate a broad vary of configurations. Humvees characteristic full-time four-wheel drive, unbiased suspension, steep strategy and departure angles, 60 p.c gradeability and 16 inches of floor clearance. Humvees are presently in use by the U.S. Army, Marine Corps, Air Force and Navy at areas all through the United States and abroad.

In 1979, AM General started preliminary design work on the M998 Series High Mobility Multi-Purpose Wheeled Vehicle (HMMWV, pronounced Humvee®)

In 1983, the LTV Corporation purchased AM General from American Motors Corporation and established it as an entirely owned subsidiary of the LTV Aerospace and Defense Company.

In 1984, the AM General headquarters moved from the American Motors AMTEK Building to Livonia, Michigan, and two years later to South Bend, Indiana, the place the first manufacturing operations had been situated.

On January 2, 1985, AM General rolled the primary HMMWV (aka. HUMMER) off the meeting line of their new South Bend facility. The first HMMWV was a regular Military automobile.

In 1989, AM General accomplished its remaining medium truck enterprise and closed the Chippewa Avenue services in South Bend which had been acquired from Studebaker in 1964. In early 1990, the AM General headquarters relocated from Chippewa Avenue to its present workplaces in downtown South Bend.
In August 1989, the U.S. Army awarded AM General a brand new multiyear contract for continued manufacturing of extra then 33,000 Humvees. First deliveries beneath this new contract started in January 1990. Total worth of this second multiyear contract was roughly $1 billion. Options raised the variety of autos produced to almost 50,000.

The U.S. Army awarded AM General a further contract in 1994.The newest U.S. Army contract, awarded in 2000, requires the manufacturing of as much as 31,474 further Humvees by 2007. Over 175,000 autos have been constructed and delivered to the U.S. Armed Forces and greater than 50 pleasant abroad nations.

The workhorse Humvee was very distinguished within the U.S. navy motion in Panama in 1989-90, and much more so in Operation Desert Storm in 1991, the place some 20,000 Humvees received excessive reward from U.S. troops. More lately, Humvees have performed vital roles in Somalia, the Balkans, Afghanistan and Iraq. Wherever American troopers go, their Humvees go along with them.

In April 1992, The Renco Group, Inc. of New York City bought AM General Corporation from LTV

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In 1992, AM General started manufacturing of variations of the Humvee, referred to as the HUMMER for civilian use. Known as “the world’s most critical 4×4,” the automobile has discovered favor with industrial customers who respect the worth of HUMMER’s lengthy life and wonderful efficiency, and people who search the last word in toughness and mobility.

In 1999, AM General included an entirely owned subsidiary, General Engine Products, Inc., (GEP) and constructed a brand new plant in Franklin, Ohio, to construct 6.5-liter diesel engines. GEP provides service engines to General Motor’s Service Parts Operation (SPO), and builds engines for AM General’s use, in addition to for different prospects.
In December 1999, AM General and General Motors Corporation finalized an settlement to collectively pursue product, advertising and marketing and distribution alternatives for HUMMER. GM acquired the unique possession of the HUMMER model title worldwide and the present HUMMER was renamed the HUMMER H1. In 2002, AM General started assembling the HUMMER H2, a brand new “subsequent era” sport utility automobile designed by GM, at a brand new manufacturing unit in Mishawaka. GM now has accountability for advertising and marketing and distributing all HUMMERs.
In April 2002, AM General was transformed to a restricted legal responsibility firm.

AM General additionally gives elements and coaching help for all its merchandise and its Engineering and Product Development Center gives methods technical help for a number of navy automobile methods along with the Humvee.
During eight a long time of development, AM General has established a status because the world chief within the design, engineering and manufacturing of navy and particular objective autos.

Humvee is a registered trademark of AM General LLC.
HUMMER, H1, and H2 are registered emblems of General Motors Corporation.

In 2005 General Motors is rolling out the 2006 HUMMER H3 midsized SUV.


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HUMMER H3T Concept Truck

Design Collaberation

To complement the H3T’s strong construction with a “go wherever, do something” aesthetic, GM and Nike designers collaborated on a number of key elements of the automobile’s design.
The H3T’s tires advanced from discussions between GM Design and Nike Design concerning the query of off-road efficiency footwear influencing off-road efficiency tires. The result’s the revolutionary ACG TA tire, which addresses a number of traction environments with sand paddles, traction pads and a number of durometers of rubber outlined by different-color breakouts – very like the design of Nike’s ACG path and climbing sneakers. BFGoodrich partnered to engineer and construct the hanging, groundbreaking tires.

Nike’s affect on the inside contains the usage of its Sphere materials on the H3T’s seats. The light-weight materials, utilized by Nike in specialised clothes, can cool or heat the physique with out mechanical means. It additionally conveys a technical aesthetic that appears completely at dwelling within the H3T. The seats are also enhanced by Nike Epic backpacks, that are built-in into seat-back clamshells and launched with elastic bungees.

“The Nike collaboration is exclusive and thrilling,” stated Dean. “It allowed us to share concepts and ideas, whereas evaluating our design course of with a world chief in design innovation. The expertise has enhanced the entire H3T undertaking.”

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HUMMER design language
The H3T’s traditional proportions replicate its off-road capability, but additionally symbolize HUMMER’s expressive styling – an American design that claims as a lot about driver freedom as HUMMER’s off-road expertise.

“It’s a minimalist strategy that conveys objective,” stated Dean. “The H3T represents the continuous strategy to HUMMER’s general design theme – easy in look but robust to the contact. From elements just like the door handles to the dashboard particulars, the H3T appears and feels as if it’s been milled from a strong billet of metal or aluminum.”

That purposeful look is delineated from the HUMMER H1’s navy roots.

“We advanced the HUMMER design language with the H2,” stated Dean. “But we’re persevering with that imaginative and prescient and progressing the model.”

The H3T’s purposefully premium inside atmosphere features a rugged shifter deal with that folds fully ahead and military-inspired toggle switches for numerous controls. An altimeter, compass and inclinometer are also mounted on the dashboard.

The technical leather-based and Nike-designed Sphere seat material proceed to help the athletic, efficiency theme of the H3T, as do the chamois, petrol and paprika orange inside colours.

“It’s not essentially a luxurious atmosphere within the traditional sense – it’s a brand new sort of luxurious,” stated Dave Lyon, inside design director for body-on-frame autos. “The expression of high quality by the usage of particular supplies conveys a premium look with out the usage of conventional luxurious appointments like wooden or leather-based.”

The similar goes for the H3T’s exterior, which options high-tech, but sturdy, LED headlamps and taillamps, an built-in winch and tow hooks, in addition to entrance and rear skid plates which can be stamped out of aluminum and joined with aspect “rock sliders.” There are also management arm and rear axle skid plates, together with a carbon fiber skid plate/stomach pan, which protects the automobile when off the highway and aids aerodynamic effectivity on the freeway.

A brush guard is built-in with the entrance skid plate and the taillamps have built-in lens protectors. Driving/marker lamps are constructed into the side-view mirrors.

The exterior colours, Petrol Blue Metallic and Satin Titanium Alloy, gasoline the H3T’s theme of a rugged automobile with critical angle. The forward-opening hood is aided by trigger-operated latches, which combine into the trademark HUMMER hood louvers. An uncovered radiator is one other traditional HUMMER styling cue and a digital camera mounted on the hood can be utilized to document off-road excursions in DVD format.

At the rear, the tailgate options uncovered hinges (with built-in gasoline struts) and cantilevers to supply an unbroken load platform for the mattress. The mattress is greater than 4 toes large and has very small fender intrusions.

“The H3T supposes a brand new realm of rugged, but premium selections for drivers who discover bigger autos don’t match their wants,” stated Lyon. “With the H3T, a complete new group of driving lovers advantages from the relevance of HUMMER’s unflappable functionality. There merely is nothing prefer it within the midsize truck market.”

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HUMMER H3T Concept Truck

The H3T is constructed on a modified GM midsize truck platform, together with the coil-over entrance and rear suspensions. Fox remote-reservoir shocks are used for the last word in off-road dampening. An automated switch case locks the automobile into four-wheel drive when wanted.
The locking entrance and rear axles on the H3T are borrowed from full-size GM vehicles. Braking is completed with four-wheel discs from Alcon. The 15-inch-diameter rotors are clamped down upon with Baer six-piston calipers within the entrance and four-piston calipers within the rear. Nineteen-inch wheels are mounted in any respect corners.

A 350-horsepower, turbocharged model of GM’s new Vortec 3500 inline five-cylinder engine powers the H3T, and it’s backed by the heavy-duty Hydra-Matic 4L65-E electronically managed four-speed transmission. The turbocharged five-cylinder produces extra energy than most six-cylinder engines, however is extra compact. The engine additionally makes 350 lb.-ft. of torque, which helps the H3T deal with steep terrain with ease.

Fuel-saving variable valve timing expertise, which is out there on a few of GM’s four-, five- and six-cylinder engines, boosts the five-cylinder’s effectivity by various valve timing, elevate and period. It additionally improves emissions and general efficiency.

Although presently an idea automobile, the H3T was constructed with production-type elements, together with chassis and suspension elements that had been leveraged from present GM truck architectures.

“Everything in regards to the H3T says HUMMER,” stated Dean. “The package deal could also be just a little smaller, however the persona, performance and, most significantly, the off-road superiority is all there.”

HUMMER H3T Concept Truck


Body/chassis construction: physique on body; metal physique panels
torsion bar with SLA
5-link with coil over shocks/springs
Wheels: 19″ x 8.5″
Tires: 285/65R19
Tire model: Nike-inspired BFGoodrich
Brakes: disc with 15″-diameter rotors, 6-piston calipers
Height (in / mm): 70.6 / 1795
Length (in / mm): 174.9 / 4443
Width (in / mm): 74.5 / 1893
Wheelbase (in / mm): 118.6 / 3012
Track (in / mm):
Front: 65 / 1650
RearP 65.5 / 1664
Weight (lb / kg): 4650 / 2109
Bed storage (cu ft / L): 40 / 1133
Bed dimensions: 5 ft large x 5 ft lengthy x 1.6 ft deep(1.5 m large x 1.5 m lengthy x 0.5 m deep)
Engine: 3.5L turbocharged Vortec I-5
Technologies: variable valve timing, variable consumption manifold, 2-step variable valve actuation
Turbo intercooler sort: air-to-water
Displacement (cu in / cc): 211 / 3460
Horsepower (hp / kw @ rpm): 350 /260 @ 6000
Torque (lb-ft / Nm @ rpm): 350 / 474 @ 3600
Transmission: Hydra-Matic 4L65-E 4-speed auto with AWD


  • Two-door unit physique pickup truck (single-piece physique and field)
  • Bed has two aspect entry doorways with fold-down software field/step beneath door
  • Large, material, power-operated sunroof
  • Aluminum rocker covers/rock slider skid plates
  • Aluminum “Exoskeleton” construction (windshield encompass, door opening)
  • Aluminum roof trim round sunroof with built-in LED marker lamps
  • Aluminum grille and brush guard (milled billet)
  • Hood-mounted air field on driver aspect and passenger aspect
  • LED marker and taillamps


  • Seating for 2
  • Nike-inspired supplies all through
  • Nike backpacks built-in to seatbacks
  • Cast rubber ground
  • Portable MP3 participant/radio with docking station
  • Portable GPS/navigation system with docking station
  • Hood-mounted video digital camera (data occasions and shows in middle console)
  • Analog/LCD mixture gauge cluster (LCD portion is a automobile inclinometer)
  • Fold-flat passenger seat


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