The John Deere Model 40 and Other Dubuque Built Tractors ... Review
History of the the John Deere Dubuque tractors with a focus on the model 40 and the crawler models. Models M, 420, 430, 440 and 435 are also covered.
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History of the the John Deere Dubuque tractors with a focus on the model 40 and the crawler models. Models M, 420, 430, 440 and 435 are also covered.