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Sheppard Diesel
Explore 4 farm tractor models. Follow a model into its engine specifications, transmissions, dimensions, historical photographs, and available test records.
About Sheppard Diesel
R. H. Sheppard developed diesel-powered farm tractors in Pennsylvania in 1949. Tractor building ended in 1956 as the company concentrated on power-steering equipment.
- Beginning
- 1949 tractor line; earlier engine-business roots
- Founder / origin
- R. H. Sheppard company; individual founder not established here
- Known for
- Diesel engines and farm tractors
- Sale / later history
- Tractors stopped in 1956; business refocused on power steering
History and legacy
Costs, competition, and the pace of diesel adoption affected the tractor venture. Ending that range did not establish the end of the wider engineering business, whose other work continued.
Sources & further reading
History reviewed 2026-10-20.
Showing 4 of 4 models
SD-4
1954–1956
51 hp
Source index power
2WD Only
Drive
SD-3
1949–1956
32 hp
Source index power
2WD Only
Drive
SD-2
1949–1956
24 hp
Source index power
2WD Only
Drive
SD-1
1949
4 hp
Source index power
2WD Only
Drive
Index power values can include estimates derived from belt or PTO power. They are identified on each model card and are not interchangeable with a measured engine rating. Model years and missing values follow the source index.