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 126
Fig. 35.—The Holt Four Cylinder Power Plant With ValvesOpening Directly Into the Cylinder Heads. the four-cylinder type have and are used on only oneprominent make of tractor to the writers knowledge. Four=cylinder Motors.—The four-cylinder powerplant is the type that is now practically universal… … 124 The Modern Gas Tractor WATER PI PE MECHANICAL\ OILER WATERPIPE
Farm engines · Internal combustion engines
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