New type of tractor for agricultural purposes, bush clearing, road grading and cross-country haulage; caterpillar tracks of large track area, over which weight of machine is evenly distributed; two forward speeds of 4 and 2 mi. per hr. and reverse speed of 1 3/4 mi. per hr.
The "peterbro" roadless tractor
Machy. Market
Machinery Market ; n 1440
1928
2 Figs.
Article (Journal)
English
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