Original, 1993 Ford Medium and 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-600-800, B-600-700, FT-900, CF-7000-8000, CFT-8000, and L-Series Series. Information primarily consist of measurements, sizes, dimensions, quantities, etc. with relationship to brakes, suspension, transmission, engine, ignition system, fuel system, lighting system, etc.