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1960 - 1966 VIN/Serial Number Decoder and Information

The follow information has been assembled from GMC historic literature, found
documents, and our dedicated club members. Please refer to the “GMC ID” page link, at the
top of the Jolly Legacy Home Page, for further information on location and types of ID
plates. Unlike Chevrolet of the same year, GMC did not stamp the VIN on the frame.
Your title Serial Number/VIN should match the number found on ID plates riveted or welded
to your truck. The engine number was not relevant to the VIN as in older trucks.

Occasionally there will be trucks that do not seem to adhere to the
information given here. Many things can cause this: Modifications by previous owners,
mid-year model policy changes, late year builds, various DMV quirks, year sold,
reconstructed titles (which may include vin plate switching and other anomalies). Each
case must be taken separately and a discussion on this site may help.
Don’t forget to use the search function.

Models 1000-3000 U.S.A. Built.

Example: K1001PN23456A

K 10 01 P N 23456 A

Specialization Codes
1st Digit (Not always present)

Code Specialization
I Inline 6 Cylinder Engine
K Factory 4WD Truck
P Forward Control Chassis
PB Forward Control Chassis with Cab
G Handi-Van

Body Codes
2nd and 3rd Digit

Tonnage Codes Truck Tonnage
10 1/2 Ton Truck
15 3/4 Ton Truck
25 1 Ton Truck
30 1 1/2 Ton Truck

Truck Length
4th & 5th Digit
There is no serial number designation for body style in any form - Flare-Side, Wide-Side, Panel, Van, or Suburban.

Code Truck Wheelbase Length
01 115" Wheelbase
02 127" Wheelbase
03 133" Wheelbase
05 157" Wheelbase

Location of Manufacture
6th Digit

Code Assembly Plant
A Atlanta, GA
B Baltimore, MD
C Oakland, CA
F Flint, MI
H Oakland, CA (closed in 1965)
J Janesville, WI
N Norwood, CA
P Pontiac, MI (GMC Only)
S St. Louis, MO
T Tarrytown, NY
Z Freemont, CA (1965-1966 Models)

Series/Model Year
7th Digit

Code Series*
N 1960-1961
J 1962
G 1963
F 1964-1966
D 1966 Inline 6 Series

*GMCs were originally manufactured in series, not model years

Assembly Line Production Number
8th through 12th Digit

This is your truck's number off of the asssembly line.This is a personal production
number and may be any combination of 4 - 5 numbers

GVWR Class
Final Digit

Code GVWR
A 6,000 pounds or less
B 6,001 - 10,000
C 10,001 - 14,000


Can we decode one together?

Here is a listing of GMC Owners & VIN Numbers, send me the above info to get your truck listed.

[1960 VINs] [1961 VINs] [1962 VINs] [1963 VINs] [1964 VINs] [1965 VINs] [1966 VINs] [1967-69 VINs]

Canadian VIN numbers can be translated from this WebPage:
1960 - 1966 Canadian Chevrolet & GMC VIN

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