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The model archive
Knudson
Explore 6 farm tractor models. Follow a model into its engine specifications, transmissions, dimensions, historical photographs, and available test records.
About Knudson
Jerome Knudson developed North Dakota tractors with crab steering and self-leveling features for hillside work. The rights later passed to Allmand Brothers, which manufactured them in Nebraska.
- Beginning
- Exact founding and first-production dates unverified
- Founder / origin
- Jerome Knudson
- Known for
- Crab-steer and self-leveling tractors
- Sale / later history
- Rights sold to Allmand Brothers; production continued until 1983
History and legacy
The original green-and-white machines were followed by yellow Allmand-built tractors. Changing color and manufacturing location reflected the rights transfer; a buyer is established, but the source does not provide the transaction’s exact year.
Sources & further reading
History reviewed 2026-10-20.
Showing 6 of 6 models
4400
1981–1983
400 hp
Source index power
MFWD Optional
Drive
360
1974–1978
360 hp
Source index power
4x4 Only
Drive
4360
1981–1983
360 hp
Source index power
4x4 Only
Drive
310
1974–1978
310 hp
Source index power
4x4 Only
Drive
220
1967–1968
220 hp
Source index power
MFWD Optional
Drive
260
Production years not listed
Power not listed
No index power figure
MFWD Optional
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.