International Most Models 1954-1974 Key Codes

The International Most Models 1954-1974 uses key code series A, with 3,622 documented codes spanning the range A201-A1050, C1251-C1700, C1701-C1950, C1951-C2200, C250-C499, H601-H1100, HM201-HM1050, M000-M221. Uses a 5-cut single-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer.

Code prefix
A
Code range
A201-A1050, C1251-C1700, C1701-C1950, C1951-C2200, C250-C499, H601-H1100, HM201-HM1050, M000-M221
Years
1954-1974
Total codes
3,622
Cuts per key
5
Last verified
Verification pending

Common questions

What key code series does the International Most Models 1954-1974 use?
The International Most Models 1954-1974 uses key code series A, with 3,622 documented codes ranging from A201-A1050, C1251-C1700, C1701-C1950, C1951-C2200, C250-C499, H601-H1100, HM201-HM1050, M000-M221.
How many cuts does a International Most Models 1954-1974 key have?
5 cuts on a single-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.

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