Original, 1988 Ford Medium/Heavy Duty Truck Service Specifications handbook No. 3 contains information normally not found in the service manuals or owner's manuals.  Models included are F-600 - F-800, B-600 - B-700, C-8000, CT-8000, FT-800 - FT-900, CF-6000 - CF-7000 - CF-8000, and CFT-8000. Information primarily consist of measurements, sizes, dimensions, quantities, etc. with relationship to brakes, suspension, transmission, engine, ignition system, fuel system, lighting system, etc.