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1/4-Scale Model Of A Caterpiller D-8
I recently built this 1/4-scale model of a Caterpillar D-8 from scratch. It's powered by a Kohler 18 hp gas engine and uses a transmission driven by orbit motors. The tracks are built from 1/8-in. sheet metal and ride on 12-gauge rollers borrowed from hospital beds. Snowmobile rails under the tracks help support the weight. All the tractor's controls are operated by electric car window motors. I even built a scale-model tile plow (not shown) that bolts on back of the tractor. (Ron Hanen, 7065 70th St. N.W., Montevideo, Minn. 56265 ph 320 793-6681)

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2008 - Volume #32, Issue #6