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Gibson I
 | 1948 - 1952
Row-Crop tractor |
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1948 - 1952 | |
Row-Crop tractor | |
1948 - 1952 | |
|---|---|
Row-Crop tractor |
Production | |
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Manufacturer | Gibson |
Row-Crop tractor | |
Built in Longmont, Colorado, USA | |
Variants | |
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I | tricycle-front |
IFA | adjustable wide-front |
IFS | standard front |
Gibson I Engine | |
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Hercules 3.9L 6-cyl gasoline | |
Fuel tank | 20 gal
75.7 L |
Engine details ...  | |
Gibson I Transmission | |
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4-speed gear | |
Transmission details ...  |
Gibson I Power | |
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Plows | 2-3 |
Drawbar (tested) | 29.1 hp
21.7 kW |
PTO (tested) | 36.82 hp
27.5 kW |
Belt (tested) | 41.03 hp
30.6 kW |
Performance test details ...  | |
Mechanical | |
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Two-wheel drive | |
Final drives | bull gear |
Manual steering | |
Mechanical band brakes | |
Open operator station. | |
Power Take-off (PTO) | |
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Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
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Wheelbase | 94 inches
238 cm |
Weight | 4000 to 4512 pounds |
Front tire | 5.50-16 |
Rear tire | 10-38 |
Full dimensions and tires ...  | |
Belt Pulley | |
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Diameter | 9.2 inches
23 cm |
Width | 7.5 inches
19 cm |
RPM | 1487 |
Speed | 3539 ft/min
1078.69 meters/min |
References | |
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 | |
Gibson Tractors - Durability, lower operating costs, plus extra power. published in 1948 |