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General| Model Year | 1975 |
|---|---|
| Engine | 455 cu in (7.5 L) V8 |
| Transmission | 3-speed automatic |
| Width | 96 in (2, 438 mm) |
| Fresh Water Capacity | 40 US gal (151 L) |
| Gray Water Capacity | 30 US gal (114 L) |
| Length | 23 ft (7.0 m) / 26 ft (7.9 m) |
| Height | 108 inches |
| GVWR | 12, 500 lbs |
| Layout | Front-engine, rear-wheel drive |
| Wheelbase | 140 in (3, 556 mm) |
| Fuel Capacity | 25 US gal (95 L) |
Guidelines for safely loading your vehicle, including weight ratings and distribution.
Comprehensive pre-drive checklist for vehicle safety and readiness.
Procedures and cautions for starting and operating the vehicle.
Overview of gauges, indicators, and controls on the instrument panel.
Explanation of various warning lights and their meanings.
Operation of the system for leveling the vehicle at campsites.
Overview of living area systems and electrical precautions.
Information on the monitor panel gauges and generator operation.
Procedures for hazard flashers, emergency starting, and jump starting.
Detailed steps for safely jump-starting the vehicle's battery.
Guidelines and cautions for using the vehicle's jack.
Information and procedures for towing the vehicle.
General maintenance procedures and schedule information.
Engine oil recommendations and checking procedures.
Engine cooling system and brake system servicing information.
Information on batteries, distributor, spark plugs, and chassis wiring.
Information on tire care, inflation, and pressure checks.
Safety precautions and instructions for filling and using the LP gas system.
Details on 12-volt DC fuses and circuit breakers for the living area.
Vehicle identification number, dimensions, and tire information.
Location and types of fuses and circuit breakers.
Detailed specifications for Onan motor generator models.
Steps to follow for resolving problems with GMC Truck & Coach.
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