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Field Legend
Power Range
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Tractor Model CountPower RangeProduction YearsTractor Model CountExplore our comprehensive database of tractor manufacturers from around the world.
Power RangeProduction YearsTractor Model Count
In the mid-1970s, GBT Industries, based in Madison, Wisconsin, specialized in the production of small, agile tractors. Established in 1975 by the entrepreneurial duo of Jerry Boesch and Jim Gnewuch, GBT initially focused on the GBT-2000, a tractor meticulously engineered for cultivation purposes, drawing inspiration from the classic Allis G. Subsequent models, the GBT-3000 and GBT-4000, were envisioned as versatile utility tractors, though evidence suggests the 4000 never progressed beyond the planning stages. By 1978, the era of tractor manufacturing at GBT had concluded, and the company transitioned to acting as a distributor for Pasquali tractors sourced from overseas.
Power Range: 27 hpProduction Years: 1976-1978
The Denning-designed tractor was brought to life by General Ordnance, marketed under both the National Tractor and GO banners. Rooted in Derby, Connecticut, General Ordnance initially forged munitions. In 1918, they acquired Denning, based in Cedar Rapids, Iowa, and for a short period, released tractors under the National Tractor name, ultimately transitioning to branding them as General Ordnance. Manufacturing ceased in 1921, culminating in the company's bankruptcy declaration the following year in 1922.
Power Range: 17-31 hpProduction Years: 1918-1920
