GMC General 1977 – 1987 Legendary Truck Heavy Duty

GMC General 1977 – 1987 Legendary Truck Heavy Duty GMC General is a heavy duty truck in Class 8 assembled by GMC Truck and Coach Division of General Motors. The largest conventional cabin truck ever produced by GM, a product line was introduced for 1977, replacing the C/M 90/9500 truck. In 1987, GMC General was phased out as the Volvo GM joint venture introduced the White GMC truck based on White design. The current General is the last Class 8 truck produced by GMC.

GMC Truck and Coach introduced the first dedicated heavy duty truck, moving away from trucks adapted from the smaller C/K line. This division introduces two lines using public taxis, H/J-Series (93-inch BBC) and C/M-Series (112-inch BBC). Using longer hood, C/M-series trucks are designed to accommodate larger diesel engines, such as Cummins NH and Cummins V903, and Detroit Diesel 8V71. The center-hinged “butterfly” cotton of the H/J-series is replaced on C/M by a front-hinged fiberglass hood. After the introduction of the C/K medium-duty in 1973, the 112-inch BBC truck was consolidated into the M-Series.

During 1977 and 1978, GMC Truck and Coach further broke the ranks of heavy duty trucks. GMC General in 1977, with the H/J range renamed GMC Brigadier in 1978. GMC General is a Class 8 conventional truck. Manufactured with aluminum cabins made by Budd, the trucks are available in many different combinations. Two long hoods are available, with a BBC length of 108 inches or 116 inches. The 34-inch long sleeping cabin is available next to the standard cabin, with a walk-in sleeping cabin added in 1985.

While no gasoline engine is available, some diesel power is available, with Detroit Diesel 6-71 (later replaced by 6V92) as standard engine. Along with 6-71, buyers can choose Cummins N-series, or Detroit Diesel 8V71 and 8V92. After being introduced at GMC Astro, Caterpillar 3406 was introduced in 1982.

GMC General is available from dealers as vehicle launchers. Basically a complete truck with the exception of engines, transmissions, and rear axles, incomplete vehicles designed for multiple purposes, to reinstall existing powertrain in new trucks or to allow further adjustments not available from dealers.

GMC General 1977 – 1987

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