Introduction
Jeep CJ-3A: Versatile Utility Tractor
The Jeep CJ-3A is a utility tractor produced between 1949 and 1953 in Toledo, Ohio. Designed for agricultural and light industrial applications, this model serves as a bridge between the CJ-2A and the CJ-3B series, offering a robust platform for field operations.
Engine and Performance
The tractor is powered by a 2.2-liter, 4-cylinder liquid-cooled engine. It utilizes a carburetor-based fuel system and an oil bath air cleaner to maintain performance in dusty environments. The engine reaches its peak power of 60 hp (44.7 kW) at 2400 RPM, providing consistent torque for light traction duties.
Transmission and Drivetrain
The drivetrain features a Borg-Warner T-90 transmission with three forward gears and one reverse gear, coupled with a two-speed Spicer transfer case. This configuration provides a total of six forward and two reverse speeds, allowing the operator to select appropriate gearing for specific tasks. The system includes a mechanical dry disc clutch and four-wheel drive for enhanced traction.
Dimensions and Handling
With a wheelbase of 203 cm (80 inches) and a total length of 330 cm (130 inches), the CJ-3A is designed for maneuverability. It features a manual steering system and hydraulic drum brakes to ensure operator control. The unit has a shipping weight of 923 kg (2037 lbs) and a maximum weight rating of 1332 kg (2937 lbs), providing a stable base for its compact size.
Implement Integration
The tractor is equipped with a rear Category I hitch to accommodate various implements. An optional 540 RPM rear PTO (Power Take-Off) with a 1.375-inch shaft is available, allowing for the operation of stationary or towed agricultural machinery.
Conclusion
The Jeep CJ-3A is a durable and compact utility vehicle suited for general farm work and light-duty field operations. Its reliance on mechanical simplicity and four-wheel drive capability makes it a functional choice for those requiring a versatile, small-scale tractor.
Production Information of Jeep, CJ-3A
- Truck-type tractor
- Built in Toledo, Ohio, USA
| Manufacturer | Jeep |
|---|
Dimension and Tires Information of Jeep, CJ-3A
| Front tread | 48.25 inches [122 cm] |
|---|---|
| Wheelbase | 80 inches [203 cm] |
| Max weight | 2937 lbs [1332 kg] |
| Shipping weight | 2037 lbs [923 kg] |
| Length | 130 inches [330 cm] |
| Rear tread | 48.25 inches [122 cm] |
| Ground clearance | 8.1 inches [20 cm] |
| Height | 66.75 inches [169 cm] |
| Ag front | 6x16 |
|---|---|
| Ag rear | 6x16 |
Engine Specifications of Jeep, CJ-3A
- Liquid-cooled
- 4-cylinder
| Coolant capacity | 11 qts [10.4 L] |
|---|---|
| Fuel system | Carburetor |
| Air cleaner | Oil bath |
| Rated RPM | 2400 |
| Compression | 6.5:1 |
| Displacement | 134.2 ci [2.2 L] |
| Oil capacity | 5 qts [4.7 L] |
| Power | 60 hp [44.7 kW] |
| Bore/Stroke | 3.125x4.375 inches [79 x 111 mm] |
| Starter volts | 6 |
| Starter | Electric |
| Firing order | 1-3-4-2 |
Transmission Information of Jeep, CJ-3A
Transmission variants 1
- Three gears (1-3) plus reverse (R) with a two-speed Spicer transfer case.
| Transmission | Borg-Warner T-90 |
|---|---|
| Clutch | Mechanical dry disc |
| Type | Sliding gear |
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Jeep, CJ-3A
- Four-wheel drive
- Open operator station.
- Hydraulic drum brakes
| Steering | Manual |
|---|
Power Information of Jeep, CJ-3A
| Rear PTO | Optional |
|---|---|
| Rear PTO Type | 540 (1.375) |
Three-Point Hitch of Jeep, CJ-3A
| Rear Type | I |
|---|
Electrical System of Jeep, CJ-3A
| Ground | Negative |
|---|---|
| Battery volts | 6 |
Where it sits
With 60 HP, the Jeep CJ-3A sits just below CJ-3B (75 HP) in Jeep's range. Its power puts it in the 90th percentile of 1940s models in our database (263 machines).
Frequently asked questions
How much horsepower does the Jeep CJ-3A have?
The Jeep CJ-3A delivers 60 HP.
What years was the Jeep CJ-3A produced?
The Jeep CJ-3A was produced in 1949-1953.
What engine does the Jeep CJ-3A have?
The Jeep CJ-3A is powered by a 4-cylinder engine.
What transmission does the Jeep CJ-3A use?
The Jeep CJ-3A uses a Borg-Warner T-90 transmission.
How much does the Jeep CJ-3A weigh?
The Jeep CJ-3A weighs 2937 lbs [1332 kg].
Is the Jeep CJ-3A 4WD?
The Jeep CJ-3A is available in 4WD.