VIN Guides

VIN Guides
Image Source: Modified from Oy Suomen Autoteollisuus Ab via Wikimedia Commons / Public Domain

Unlocking The Code

Every character stamped into your truck’s VIN tells a specific story about how it left the assembly line. It isn't just a random serial number—it is a factory record of your vehicle's exact DNA.Our VIN Keys provide a comprehensive, digit-by-digit breakdown to help you accurately identify and authenticate classic trucks. 

  • AM General (Spring 2026)
    • 1973-1986 Chevrolet C/K (Square Body)
    • T = GMC 
  • Cadillac
    • C = 2-Wheel Drive
    • K = 4-Wheel Drive
  • Dodge
    • Note: These codes shifted by year, but common examples include:
    • Q / S / D / T = Inline 6-Cylinder
    • U = 305 V8
    • V / M = 350 V8 (2-barrel)
    • L / Y = 350 V8 (4-barrel)
    • R = 400 V8
    • W / Z = 454 V8
  • Ford
    • 1992-1996 Ford Bronco OBS
    • 2 = 3/4 Ton (C20 / K20)
    • 3 = 1 Ton (C30 / K30)
  • Geo
    • 4 = Pickup (Fleetside or Stepside)
  • GMC
    • 3 = 1973 | 4 = 1974 | 5 = 1975 | 6 = 1976 | 7 = 1977 | 8 = 1978 | 9 = 1979 | A = 1980 
  • Infiniti
    • B = Baltimore, MD
    • F = Flint, MI
    • J = Janesville, WI
    • V = Pontiac, MI
    • Z = Fremont, CA
    • 1 = Oshawa, Ontario (Canada)
  • International Harvester
    • The unique serial number assigned to the truck as it rolled off the assembly line, starting at 100001. 
  • Isuzu
    • 1GC = Chevrolet Truck (Built in USA)
    • 2GC = Chevrolet Truck (Built in Canada)
  • Jeep
    • C = 4,001 – 5,000 lbs
    • D = 5,001 – 6,000 lbs
    • E = 6,001 – 7,000 lbs
    • F = 7,001 – 8,000 lbs
    • G = 8,001 – 9,000 lbs
    • H = 9,001 – 10,000 lbs
  • Lamborghini
    • C = 2-Wheel Drive
    • K = 4-Wheel Drive 
  • Land Rover
    • 1 = 1/2 Ton
    • 2 = 3/4 Ton
    • 3 = 1 Ton
  • Lexus
    • 4 = Two-Door Cab (Regular Cab, Bonus Cab, 3+3 Crew Cab Layouts) 
  • Lincoln
    • D / T = 250 ci / 292 ci Inline 6
    • H / F = 305 ci V8
    • L / M = 350 ci V8
    • W = 454 ci V8
    • C / J = 6.2L Detroit Diesel V8
  • Digit 9: Check Digit
    • A security code calculated mathematically to verify the authenticity of the VIN. 
  • Mazda
    • B = 1981 | C = 1982 | D = 1983 | E = 1984 | F = 1985 | G = 1986
  • Mercedes-Benz
    • B = Baltimore, MD
    • F = Flint, MI
    • J = Janesville, WI
    • S = St. Louis, MO
    • V = Pontiac, MI
    • Z = Fremont, CA
    • 1 = Oshawa, Ontario (Canada) 
  • Mitsubishi
    • The unique sequential serial number specific to your truck's manufacturing run. 
  • Studebaker
  • Toyota
  • Willys