Answer
Jul 08, 2025 - 01:57 AM
Based on available serial number records for the Allis-Chalmers B-10 garden tractors, serial number 05001 most likely refers to the later B-10 model that was introduced in 1966.
This second-generation B-10 (sometimes referred to as the "late B-10") started production in 1966 with serial numbers beginning at 0001. Given that your tractor is listed as serial 05001, it would place it firmly within that production run — likely built in late 1966 or early 1967, depending on the production pace at the time.
The earlier B-10 model (introduced in 1963) used a completely different serial numbering system starting at 025001, so your serial number does not fall within that range.
Put simply, your Allis-Chalmers B-10 with serial number 05001 was almost certainly manufactured in late 1966 or early 1967, as part of the second-generation B-10 lineup.
