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He Built His Own Allis Chalmers "G"
Hubert Dyson thinks the Allis Chalmer's "G" was the best utility tractor ever made for cultivating and all-around small plot work. But finding a "G" in good working condition is not easy. Dyson decided to build his own, based as closely as possible on AC's original design.
He built the tractor's frame from scratch using 1 3/4-in. sq. solid steel bar. He fitted it with a 14-hp. Tecumseh air-cooled engine, mounted at the back. It drives a Volkswagen 4-speed rear end and also powers a hydraulic pump. The clutch flywheel pressure plate also came off a Volkswagen, as did the steering sector.
There's one brake - on the back right wheel - which is controlled by a hand lever. The front axle was made from 1 1/4 by 4-in. tubing.
Overall length of the tractor is 7 ft. It's 38 1/2-in. wide. Front tires are 4.00 by 8 in. Back tires are 7L00 by 16-in.
"I use this model in my own garden and in a neighbor's five-acre garden," says Dyson. "I can use it with a 1-row planter as well as a cultivator with eight sweeps - two on back to cover the tractor's wheel tracks, and three on front on each side. The sweeps can be forced down as deep as I want and will even penetrate hard ground. A 2-in. hydraulic cylinder raises and lowers the sweeps.
"The trickiest part was building the bull gears that are used to gear it down. There's one gearbox on each side, right next to each rear wheel. There are five roller bearings, four sprockets, and two chains inside each gearbox. The chains run in oil and run so slow that they barely turn. The original tractor was designed to drive slow for garden work, not to do 100 acres."
All it takes to change attachments is a 3/4-in. wrench.
Contact: FARM SHOW Followup, Hubert Dyson, #2 Dyson Lane, Vilonia, Ark. 72173 (ph 501 796-2520).


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2000 - Volume #24, Issue #4