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4 Wheel Snowmobile ATV
"Our kids love it.," says Roger Fisher, Spirit Lake, Iowa, about the 4-wheel ATV he made from a junked-out Scorpion snowmobile.
The 2-WD rig has electric start, a 5-hp Wisconsin engine, and the original variable speed snowmobile transmission. Fisher equipped the rig with tires from a Bobcat skid steer loader.
"After checking out the prices of new four-wheel ATV 's, I decided to build my own," says Fisher. "It has more power than a conventional snowmobile and is built heavier and wider than a conventional ATV so it won't tip over as easily. The engine is geared down so the ma-chine creeps in low gear. It's got so much power I've used it to pull and start a Deere 720 tractor. Right now only the rear wheels drive, but I plan to drive the front wheels by installing the front wheel drive from a Chevrolet Citation car. I also plan to install a rear pto so I can use it to run my grain auger."
Fisher cut off the snowmobile tracks and made a steel chassis to support the front and rear axles. The rear tires are 12 in. tall and the front tires are 14 in. tall. He couldn't find any rims for the used skid steer tires so he modified four rims from a 1956 Chevrolet by cutting the rims in half and adding 6-in. spacers. He cut 16 in. off each side of the rear axle of another 1956 Chevrolet and mounted it at the rear of the machine. Chains and sprockets that formerly drove the snow-mobile track now drive a gearbox re-moved from an Allis-Chalmers 60 combine. Fisher salvaged a drive shaft from a Deere 227 corn picker and mounted it between the gearbox and rear end. He also installed the transmission from a 1952 Chevrolet, turning it around so the ATV would run at slow speeds. Then he replaced the snowmobile engine with a 5-hp Wisconsin engine. Fisher kept the snowmobile's original clutch and brake and installed the throttle and choke from an old riding lawn mower. He uses the snowmobile's bogie wheels as chain tighteners to keep the drive chain tight.
Contact: FARM SHOW Followup, Roger Fisher, Box 9048, Spirit Lake, Iowa 51360.

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1989 - Volume #13, Issue #5