Introduction
CO-OP 3 Standard-Tread Tractor
The CO-OP 3 is a classic agricultural tractor produced between 1936 and 1950. Manufactured by Duplex Machinery and distributed under the CO-OP brand, this standard-tread machine represents a significant era in mid-20th-century American farm equipment.
Engine and Performance
The tractor is powered by a 6-cylinder Chrysler gasoline engine with a displacement of 241.5 cubic inches (4.0 L). It utilizes a liquid-cooling system and a Zenith carburetor for fuel management. The engine is rated at 1600 RPM, delivering approximately 41 horsepower, which provides the necessary torque for standard agricultural operations of the period.
Transmission and Drivetrain
Power is transferred through a manual transmission offering 5 forward gears and 1 reverse gear. The drivetrain includes a dry disc clutch, which facilitates gear changes. The tractor operates on a two-wheel drive (2WD) configuration, designed for general field work and traction in standard soil conditions.
Mechanical and Dimensions
The CO-OP 3 features a manual steering system and an open operator station. Its physical dimensions include a length of 132.25 inches (335 cm), a width of 75.6 inches (192 cm), and a height of 62 inches (157 cm). The machine has a shipping weight of 4450 lbs (2018 kg) and is equipped with 7.50-16 front agricultural tires and 12.75-28 rear agricultural tires.
Conclusion
With its robust Chrysler engine and straightforward mechanical layout, the CO-OP 3 served as a dependable utility tractor during its production years. Today, it is recognized as a significant piece of agricultural history, valued by collectors and enthusiasts for its design simplicity and historical provenance.
Production Information of CO-OP, 3
- Standard-tread tractor
| Distributor | CO-OP |
|---|---|
| Distributor(optional) | South Saint Paul, Minnesota, USA |
| Factories | Battle Creek, Michigan, USA |
| Manufacturer | Duplex Machinery |
| Manufacturer(optional) | Arthurdale, West Virginia, USA |
Dimension and Tires Information of CO-OP, 3
| Length | 132.25 inches [335 cm] |
|---|---|
| Shipping weight | 4450 lbs [2018 kg] |
| Width | 75.6 inches [192 cm] |
| Height | 62 inches [157 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 12.75-28 |
Engine Specifications of CO-OP, 3
- Chrysler
- Liquid-cooled
- Gasoline
- 6-cylinder
| Fuel system | Zenith carburetor |
|---|---|
| Displacement | 241.5 ci [4.0 L] |
| Rated RPM | 1600 |
| Bore/Stroke | 3.375x4.50 inches [86 x 114 mm] |
| Coolant capacity | 20 qts [18.9 L] |
Transmission Information of CO-OP, 3
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
| Clutch | Dry disc |
Mechanical Specs of CO-OP, 3
- Two-wheel drive
- Open operator station
| Steering | Manual |
|---|
Power Information of CO-OP, 3
- Https://www.tractordata.com/farm-tractors/005/8/3/5839-co-op-3-tests.html
Where it sits
With 41 hp[P] HP, the CO-OP 3 sits between B2 Jr. (37 HP) and E4 (47 HP) in CO-OP's range. Its power puts it in the 63th percentile of 1930s models in our database (235 machines).
Frequently asked questions
How much horsepower does the CO-OP 3 have?
The CO-OP 3 delivers 41 hp[P] HP.
What years was the CO-OP 3 produced?
The CO-OP 3 was produced in 1936-1950.
What engine does the CO-OP 3 have?
The CO-OP 3 is powered by a Gasoline, 6-cylinder engine.
What transmission does the CO-OP 3 use?
The CO-OP 3 uses a Gear transmission.
How much does the CO-OP 3 weigh?
The CO-OP 3 weighs 4450 lbs [2018 kg].
Is the CO-OP 3 4WD?
The CO-OP 3 is available in 2WD.