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Hefty G Now A Hot Collector's Item

If you like old Allis Chalmers G tractors, you'll really like the Hefty G, which was manufactured by Holtan Axle and Transmission Company, Juneau, Wis., in the 1970's. Edward Koelker, who owns 10 Allis Chalmers G's, also has two Hefty G's.
"The Hefty could do things the old G couldn't," says Koelker. "It has a 3-pt. hitch at the rear and another in front of the engine block. It also sits up higher and is over all taller, longer and heavier. But it was the gearing that really set the Hefty G apart.
"They made the Hefty G primarily for cultivating and spraying, so none of the gears were very fast. In the lowest gear, it can go so slow you can hardly believe it. I can set it at 1,000 rpm's, get off, walk backwards and beat it."
The 6-speed transmission offered a first gear rated at only 0.84 mph while 6th gear topped out at 8.07 mph. For really slow work, the Hefty could be ordered with an optional creeper gear with speeds as slow as 0.2 mph.
The rear engine tractor featured a rugged 2 by 4-in. box beam frame versus the pipe frame of the regular G. It was available in a standard 121.5-in. frame and with a 16-in. extension. The Hefty was powered by a 27 hp, Continental Teledyne, gas-fueled engine built by Renault.
The standard Hefty offered two specialized ptos with one live at engine speed and the second synchronized with ground speed. Hydraulics were provided by a 5 gpm, 3,000-psi pump.
Overall height, ground clearance and tread adjustment varied across four models. Ground clearance varied from 18 to 27 in., and tread width varied from 40 to 108 in. on the G18, G22 and G27. A fourth model, the Hi-G offered up to 48 in. ground clearance. Variations allowed an operator to match tractor selection to preferred bed or row widths. Available implements included a rotary mower, various cultivators, snowplow, sprayers, mid-mount blade, precision seeders, rotary tiller, plow and transplanters.
Prices ranged from around $6,000 to $7,000, depending on model and options.
"They were a good running tractor," says Koelker. "There aren't many around."
Contact: FARM SHOW Followup, Edward Koelker, 569 Leeanne Ave., Yuba City, Calif. 95993 (ph 530 671-6656).

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2008 - Volume #32, Issue #6