GM Hummer – 2008 Hummer H3 Alpha

22 Jun 2014 | Author: | Comments Off on GM Hummer – 2008 Hummer H3 Alpha

Maximum increased to 6,000 pounds kg) #8211; a 33-percent increase

exterior and interior features, Alpha badging

Offering the capability that only a V-8 the 2008 H3 Alpha broadens range of versatile, do-anything and vehicles. HUMMER announced the H3 at the New York Auto Show; it on sale this summer.

The H3 is the second member of HUMMER’s Alpha series, representing the of performance, both off the road and on it. It with a new, 5.3L V-8 that delivers 295 horsepower kW)* and 317 lb.-ft. of torque Nm)*. It is partnered with a automatic transmission and enables a towing capacity of 6,000 (2,721 kg) #8211; an increase of than 33 percent over H3 models

H3 Alpha is, simply, the HUMMER H3, said Martin HUMMER general manager. It all of H3’s renowned off-road but with enhanced performance is suited to a variety of lifestyles.

In to the V-8 engine, the H3 Alpha also the popular Luxury equipment the Chrome Appearance package, chrome wheels, a 4.10 axle ratio and special identification, including a prominent badge, horn pad badge and front headrests with the insignia.

For customers who want a more appearance straight from the the Alpha model can be combined the H3X content, which includes roof crossbows, chrome door, a body-color grille and spare tire cover, wheels and center cap, and a guard. Additionally, HUMMER offers an exclusive line of manufactured and validated accessories are engineered and tested for no-compromises finish and performance.

Because stands for more than off-road performance, the H3 Alpha on the style and refinement of the H3 lineup and a unique, instantly recognizable on the road, said Walsh. In the H3 Alpha matches HUMMER’s expectations with on-road

Alpha #8211; the ultimate

HUMMER Alpha models the top in performance, capability and comfort. The H1 was the first of these ultimate and like the H3 Alpha, it offered a powerful engine as well as styling and comfort features.

The H3 is the model to carry the Alpha and represents HUMMER’s first model engineered in conjunction GM Performance Division.

Award-winning interior and safety

The H3 Alpha shares the same admired interior as all H3 models, detail revisions and enhancements have been implemented the lineup. New child safety for the rear doors and easier-to-use window switches were during the ’07 model and reflect customers’ input.

matter, and our customers told us details were particularly so we updated the H3 lineup to address said Walsh.

Also new for the H3 and the entire 2008 H3 lineup are head curtain side air they were previously Additional standard safety now found on all H3 models include:

electronic stability control

Four-wheel antilock brakes traction control

Dual air bags with Passenger System

Tire pressure system

Vehicle-to-vehicle crash

LATCH rear child anchors

HUMMER’s Rear system and a navigation system are The Rear Vision system a camera mounted near the bumper to provide a view of directly behind the vehicle. the safety and security of OnStar is and its new Turn-By-Turn Navigation feature is

Powertrain details

The H3 Alpha’s 5.3L engine is a and efficient member of GM’s small-block V-8 family. It is rated at 295 (224 kW)* and 317 lb.-ft. of (438 Nm)*; and is similar to the V-8 found in the Chevy Silverado, was named the 2007 Truck of the at the North American International Show.

For jobs such as personal watercraft up a mountain to the the small-block V-8’s torque with effortless ease and impact on fuel mileage, Christopher Meagher, assistant engineer of small-block V-8 truck The 5.3L engine greatly the H3’s towing capability.

highway driving also is an of the 5.3L V-8, which 0-60 mph performance of approximately seconds.

All of the powertrain options in the H3 deliver performance suited to driving styles and needs, Meagher. But when it comes to tasks such as towing, is sometimes no substitute for a V-8 engine.

An cylinder block is used the H3 Alpha’s engine. It helps overall mass and maintains a desirable front-to-rear weight Like all of GM’s small-block V-8 highlights include:

Deep-skirt block with cross-bolted caps

High-flow cylinder

Electronic throttle control

58X ignition system

Hummer H3

E67 32-bit

Polymer-coated pistons with wrist pins

Returnless system

Lightweight valvetrain


Low-restriction air intake

GM’s small-block V-8 engines are to meet today’s more emissions standards. In fact, the H3 V-8 engine beats the deadline for U.S. federal emissions by a year. And compared to truck of a decade ago, the small-block family is approximately 90 percent

Cast iron exhaust matched with four catalytic converters help cold-start emissions, which is the source of vehicle emissions.

A 4L60 electronically controlled automatic transmission is paired the H3 Alpha’s V-8 engine. And, as all H3 models, flat-towing is enabled.

New V-8 vehicle-wide enhancements

HUMMER H3 and GM Division engineers did more simply shoehorn a V-8 engine the H3’s engine compartment. the new power plant necessitated the of a seemingly endless number of details #8211; many of have been implemented the entire H3 lineup.

The H3’s was modified to accept the V-8 engine, and a oil pan was designed to ensure constant oil when driving on steep #8211; a hallmark of HUMMER’s capability. Also, the engine front of dash was modified to the V-8, and a new steering system is on all H3 models to deliver better feel and even more off-road reliability.

To support the torque output of the V-8, the H3 Alpha’s front case is made of cast other models feature an case. New engine mounts, torsion bar rates to support the mass, and specific shock also are unique to the V-8-powered ensuring it continues to deliver the ride quality #8211; on- and off-road #8211; that expect.

All of the chassis and suspension were validated in real-world on off-road trails in Moab, the Rubicon Trail and other off-road venues.

Our engineers breathe and eat off-road driving, Walsh. To say they sweat the is an understatement.

A HUMMER by any measure

All H3 pack HUMMER’s trademark into a midsize package. to the H2, the H3 is 16.9 inches (429 mm) in length, six inches (152 mm) in height and 6.5 inches (165 mm) Roughly the same length as a family sedan, H3 comfortably city traffic and fits in parking garages.

The H3 lineup also delivers rock crawling and climbing it was engineered for off-road leadership midsize SUVs. The heart of capability is its electronically controlled system and suspension tuning for off-road performance. In addition, the H3 standard underbody shielding, traction control, and an optional transfer case with locking differential.

Among its credentials, the H3 can ford 24-inch mm) streams at a 5-mph pace, 16-inch (407 mm) vertical and rocks, make its way through sand and race easily sandy surfaces.

H3’s maneuverable size provides such as a 37-foot turning that is about the same as a compact car, making work of parking lot maneuvers and turns when off-roading. The (231 mm) ground clearance and breakover angle of 25 degrees 33-inch tires) both it possible to clear large in off-road driving.

Serious performance is also aided by the approach angle of 39 degrees and departure angle of 37 degrees. approach and departure angles the H3 to drive into a hole and out again, without getting up in the front or rear.

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