Chevrolet Bison
| Chevrolet Bison GMC General |
|
|---|---|
1984 GMC General
|
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| Overview | |
| Type | Truck |
| Manufacturer | GMC Truck & Coach Division |
| Model years | 1977-1987 |
| Assembly | United States: Pontiac, Michigan (Pontiac Assembly Center) |
| Body and chassis | |
| Class | Class 8 truck |
| Layout | FR layout (4x2, 6x4) |
| Chassis | Ladder frame |
| Powertrain | |
| Engine | Diesel (Caterpillar, Cummins, Detroit Diesel) |
| Chronology | |
| Predecessor | Chevrolet C/M 90 GMC C/M 9500 |
| Successor | Volvo GM: WhiteGMC |
The Chevrolet Bison and GMC General are heavy-duty (Class 8) trucks that were assembled by the GMC Truck and Coach Division of General Motors. The largest conventional-cab truck ever produced by GM, the product line was introduced for 1977, replacing the C/M 90/9500 trucks. As General Motors removed Chevrolet from the heavy-truck market in 1981, the Bison was discontinued. In 1987, the GMC General was phased out as the Volvo GM joint venture introduced WhiteGMC trucks based on White designs; alongside the Brigadier, the General is currently the last Class 8 truck produced by GMC.
The Chevrolet Bison and GMC General were assembled in Pontiac, Michigan at Pontiac (East) Assembly Center alongside the Chevrolet Bruin and GMC Brigadier.
In 1966, GMC Truck and Coach introduced its first dedicated heavy-duty trucks, moving away from trucks adapted from the smaller C/K line. The division introduced two lines using a common cab, the H/J-Series (93-inch BBC) and the C/M-Series (112-inch BBC). Using a longer hood, the C/M-series trucks were designed to accommodate larger diesel engines, such as the Cummins NH and Cummins V903, and the Detroit Diesel 8V71. The center-hinged "butterfly" hood of the H/J-series was replaced on the C/M by a front-hinged fiberglass hood. Following the introduction of the medium-duty C/K in 1973, the 112-inch BBC truck was consolidated to the M-Series.
During 1977 and 1978, GMC Truck and Coach further split its heavy-duty truck range. The Chevrolet M90/GMC M9500 were replaced by the Chevrolet Bison and GMC General in 1977, with the H/J range renamed the Chevrolet Bruin/GMC Brigadier in 1978.
Similar in layout to the Ford LTL-9000, International Harvester Transtar 4300, and Mack Super-Liner, the Chevrolet Bison and GMC General are Class 8 conventional trucks. Produced with an all-aluminum cab built by Budd, the trucks were available in many different combinations. Two hood lengths were available, with a 108-inch or 116-inch BBC length. A 34-inch long sleeper cab was available in addition to the standard cab, with a walk-in sleeper cab added in 1985.
While no gasoline engines were available, several diesel powerplants were available, with the Detroit Diesel 6-71 (later replaced by the 6V92) as the standard engine. Alongside the 6-71, a buyer could choose the Cummins N-series, or Detroit Diesel 8V71 and 8V92. Following its introduction in the GMC Astro, the Caterpillar 3406 was introduced in 1982.
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Wikipedia