Brakes and Traction Control: Application and ID

IDENTIFICATION CODES
The Vehicle Identification Number (VIN) is a seventeen-digit combination of letters and numbers. The VIN is stamped on a metal tab riveted on the instrument panel, top upper left of the dash. The VIN number is also found on the Vehicle Certification (VC) label.

Brake/GVWR Code:

The fourth VIN position is the vehicle brake type and GVWR code (all vehicles use hydraulic brakes).
- 1 - 8800 pounds GVWR, F-250 regular cab, SuperCab, crew cab
- 2 - 9700 pounds GVWR, F-350 regular cab, SuperCab, crew cab (California emissions)
- 3 - 9900 pounds GVWR, F-350 regular cab, SuperCab, crew cab
- 4 - 11,000 pounds GVWR, F-350 regular cab, SuperCab, crew cab (California emissions), dual rear wheels
- 5 - 11,200 pounds GVWR, F-350 regular cab, SuperCab, crew cab, dual rear wheels
- 6 - 12,500 pounds GVWR, F-350 regular cab, SuperCab, crew cab, dual rear wheels
- 7 - 15,000 pounds GVWR, F-450 regular cab, crew cab
- F - 15,500 pounds GVWR, F-450 regular cab, crew cab
- 8 - 17,500 pounds GVWR, F-550 regular cab, crew cab
- 9 - 19,000 pounds GVWR, F-550 regular cab, crew cab
- X - 8,600 pounds GVWR, Excursion
- Y - 8,900 pounds GVWR, Excursion
- G - 15,700 pounds GVWR, recreational stripped chassis (motorhome)
- E - 18,000 pounds GVWR, recreational stripped chassis (motorhome)
- R - 20,500 pounds GVWR, recreational stripped chassis (motorhome)
- Z - 9,200 pounds GVWR, Excursion

Engine Code:

The eighth VIN position is the engine displacement and number of cylinders.
- L - 5.4L, Modular, SOHC, EFI, V8, Gas, F-Series/Excursion
- S - 6.8L, SOHC, EFI, V1O, Gas, F-Series/Excursion/Motorhome
- F - 7.3L, OHV, DI Turbo, V8, Diesel, F-Series/Excursion