| Manufacturer | CO-OP |
| Price | - |
| Model | 3 |
| Equipment Type | - |
| Factory | Battle Creek, Michigan, USA South Saint Pau |
NEBRASKA TRACTOR TEST 274 2
| Description | Gasoline 5-speed 2WD October 22 - November 5, 1936 Link: Nebraska Tractor Test 274 file Drawbar performance Gear 3 used for power test Gear 1 used for pull test. |
| Belt power (max) | 42.29hp / 31.5kW |
| Max power | 37.50hp / 28.0kW |
| Max pull | 2,679lbs / 1215kg |
CO-OP 3 POWER
| Drawbar (claimed) | 28hp / 20.9kW |
| PTO (claimed) | 37hp / 27.6kW |
| Plows | 3*14-inch |
| Drawbar (tested) | 37.50hp / 28.0kW |
| Belt (tested) | 42.29hp / 31.5kW |
ENGINE DETAIL
The CO-OP 3 tractor features a robust Chrysler 6-cylinder engine with a displacement of 241.5 ci, offering sufficient torque for heavy-duty tasks. Its Zenith carburetor may provide straightforward maintenance, though fuel efficiency could be a concern at higher RPMs, limiting performance in certain agricultural applications. The 20-quart coolant capacity ensures effective thermal management, beneficial for prolonged operation but necessitates regular checks to prevent overheating in demanding conditions.
| Description | Chrysler gasoline 6-cylinder liquid-cooled |
| Displacement | 241.5ci / 4.0L |
| Bore/Stroke | 3.375x4.50inches / 86 x 114mm |
| Fuel system | Zenith carburetor |
| Rated RPM | 1600 |
| Coolant capacity | 20qts / 18.9L |
CO-OP 3 ENGINE
The CO-OP 3 tractor is powered by a robust Chrysler 4.0L 6-cylinder gasoline engine, which offers substantial torque for various agricultural applications. Its fuel tank capacity of 28 gallons (106 liters) allows for extended operating periods, reducing downtime for refueling during heavy-duty tasks. However, the reliance on gasoline may limit operational efficiency compared to diesel engines, especially in applications requiring longer endurance and lower fuel costs.
| Description | Chrysler 4.0L 6-cyl gasoline |
| Fuel tank | 28gal / 106.0L |
TRANSMISSION
The CO-OP 3 tractor features a 5-speed forward and 1-speed reverse gear system, allowing for versatile operation across various terrains and tasks. Its dry disc clutch provides reliable engagement but may demand precise pedal application to avoid slippage under heavy loads. Optimal for farming applications requiring moderate towing or fieldwork, careful management of clutch operation is necessary to prevent premature wear in demanding conditions.
| Type | gear |
| Gears | 5 forward and 1 reverse |
| Clutch | dry disc |
MECHANICAL
The CO-OP 3 tractor features a 4x2 drive system, which offers improved maneuverability on flat terrains but may struggle with traction in hilly or muddy conditions. Its manual steering provides simplicity and direct control, although it requires more operator effort compared to power steering systems. The 5-speed gear transmission allows for versatility in speed adjustment, but may not provide the range necessary for all agricultural tasks, potentially limiting its effectiveness for heavy-duty work.
| Chassis | 4x2 2WD |
| Steering | manual |
| Cab | Open operator station |
| Transmission | 5-speed gear |
CO-OP 3 TIRES
The CO-OP 3 tractor features Ag front tires size 7.50-16 and Ag rear tires size 12.75-28, providing suitable traction and stability for a variety of agricultural tasks. The larger rear tires enhance load-bearing capacity and improve ground clearance, while the front tires maintain maneuverability. However, the specific tire sizes may limit compatibility with certain implements, making it crucial to assess attachment options before use.
| Ag front | 7.50-16 |
| Ag rear | 12.75-28 |
DIMENSIONS
| Length | 132.25inches / 335cm |
| Width | 75.6inches / 192cm |
| Height | 62inches / 157cm |
| Shiping weight | 4450lbs/ 2018kg |
DIMENSIONS & TIRES
The CO-OP 3 tractor, weighing 4450 lbs (2018 kg), is designed to provide a solid balance between stability and maneuverability on moderate terrains. The front tire specification of 7.50-16 supports good steering precision, while the larger rear tires (12.75-28) enhance traction, making it suitable for heavy-load tilling and cultivating tasks. However, its weight may limit accessibility on softer soils, potentially requiring additional support equipment to prevent sinking.
| Weight | 4450lbs / 2018kg |
| Front tire | 7.50-16 |
| Rear tire | 12.75-28 |