The modern gas tractor, its construction, utility, operation and repair: a practical treatise defining every branch of up-to-date gas tractor engineering, driving and maintenance in a non-technical manner. Considers fully all types of power plants and their components, methods of drive and speed changing mechanisms. Describes design and construction as well as practical application of tractors in the field (1919)
Pagé, Victor Wilfred, 1885-1947 · New York : Scientific American Pub. Co. · leaf 309
2 The Modern Gas Tractor facturers provide sharp conical pyramid shape spikeswhich may be removed if the tractor is to be operatedover road surfaces that it is not desirable to tear up.Various forms of grouters are shown at Fig. 126.Those outlined at A are merely strips cut from T sectioniron bar… … Fig. 127.—Extension Rims Designed to be Attached to RegularTraction Wheels to Obtain Greater Contact Area WhenUsed on Soft Ground. in general field work. The grouters shown at B areiron castings bolted to the rim. At C a combinationof angularly placed grouters and external flanges tominimize…
Farm engines · Internal combustion engines
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