Overview
The Gibson Model D is a farm tractor manufactured in Longmont, Colorado, between 1947 and 1949. It features a 6 hp Wisconsin 1-cylinder air-cooled gasoline engine and a three-speed unsynchronized gear transmission. The vehicle is built on a 46-inch wheelbase and is equipped with manual tiller steering and an open operator station.
Ideal Applications
Powertrain and Engine Performance:
The tractor is powered by a 23 cubic inch Wisconsin AEH gasoline engine rated at 6 hp at 2000 RPM and equipped with an oil bath air cleaner.
Transmission and Drive Configuration:
The mechanical layout consists of a two-wheel drive system with three forward gears and one reverse gear operated via an idler pulley clutch.
Physical Dimensions and Implement Rating:
This model weighs 955 lbs and is configured with 7.00-24 rear tires and a single-plow capacity rating.
Production
| Description | Built in Longmont, Colorado, USA |
|---|---|
| Manufacturer | Gibson |
Engine
| Engine type | Wisconsin 0.4L 1-cyl gasoline |
|---|---|
| Fuel tank | 2.5 gal (9.5 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.00x3.25 inches (76 x 83 mm) |
| Description | Wisconsin AEH / gasoline / 1-cylinder / air-cooled |
| Displacement | 23 ci (0.4 L) |
| Power | 6 hp (4.5 kW) |
| Rated RPM | 2000 |
| Plows | 1 |
Transmission
| Clutch | idler pulley |
|---|---|
| Gears | 3 forward and 1 reverse |
| Transmission type | 3-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual, tiller |
Dimensions & Tires
| Height | 45 inches (114 cm) |
|---|---|
| Weight | 955 lbs (433 kg) |
| Wheelbase | 46 inches (116 cm) |
| Front tire | 4.00x12 |
| Rear tire | 7.00-24 |
| Weight | 955 lbs (433 kg) |
| Wheelbase | 46 inches (116 cm) |
| Ag front | 4.00x12 |
| Ag rear | 7.00-24 |
References
| Description | Gibson Tractors - Durability, lower operating costs, plus extra power. published in 1948 |
|---|
Variants
| SD | hood and fenders |
|---|