Introduction
Oliver 90 Standard-Tread Tractor
The Oliver 90 is a standard-tread tractor produced between 1937 and 1952. Manufactured in South Bend, Indiana, and Charles City, Iowa, this machine was designed for heavy agricultural operations during the mid-20th century.
Engine and Performance
The tractor is powered by a 4-cylinder Waukesha-Oliver liquid-cooled engine with a displacement of 443 cubic inches (7.3 liters). Operating on kerosene, the engine produces 48 horsepower at a rated speed of 1125 RPM. It features an air cleaner of the oil bath type to maintain engine longevity in dusty field conditions.
Transmission and Drivetrain
The Oliver 90 utilizes a manual gear transmission providing four forward gears and one reverse gear. It is configured as a two-wheel-drive machine, relying on manual steering for operator control. A rear power take-off (PTO) was available as an optional feature to drive implements.
Operator Environment and Physical Specifications
The tractor features an open operator station with a hand-crank starter as standard, though an electric starter was available as an option. With a base weight of 7,000 lbs (3,175 kg), the machine provides significant traction. It supports various tire configurations, including 7.50-18 front tires and multiple rear options such as 13-30 agricultural tires or 46x12 steel wheels.
Conclusion
The Oliver 90 is a robust, heavy-duty tractor suited for standard agricultural duties. Its liquid-cooled engine and simple manual transmission design reflect the mechanical standards of its era, offering reliable power for field work and stationary implement operation.
Production Information of Oliver, 90
- Standard-tread tractor
| Manufacturer | Oliver |
|---|---|
| Manufacturer(optional) | South Bend, Indiana, USA |
| Factories | Charles City, Iowa, USA |
Dimension and Tires Information of Oliver, 90
| Weight | 7,000 lbs [3175 kg] |
|---|
| Ag front | 7.50-18 |
|---|---|
| Ag rear | 13-30 |
| Ag rear(optional) | 13.25-28 |
| Ag rear | 46x12 (steel) |
| Ag rear(optional) | 14-30 |
| Ag rear(optional) | 12.75-28 |
Engine Specifications of Oliver, 90
- Waukesha-Oliver
- Liquid-cooled
- Kerosene
- 4-cylinder
| Air cleaner | Oil bath |
|---|---|
| Displacement | 443 ci [7.3 L] |
| Rated RPM | 1125 |
| Bore/Stroke | 4.75x6.25 inches [121 x 159 mm] |
| Bore/Stroke(optional) | Electric (optional) |
| Starter type | Hand-crank |
Transmission Information of Oliver, 90
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 4 forward and 1 reverse |
Mechanical Specs of Oliver, 90
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Power Information of Oliver, 90
| Rear PTO | Optional |
|---|
Where it sits
With 48 hp[B] HP, the Oliver 90 sits between 550 (46 HP) and 770 (52 HP) in Oliver's range. Its power puts it in the 76th percentile of 1930s models in our database (235 machines).
Frequently asked questions
How much horsepower does the Oliver 90 have?
The Oliver 90 delivers 48 hp[B] HP.
What years was the Oliver 90 produced?
The Oliver 90 was produced in 1937-1952.
What engine does the Oliver 90 have?
The Oliver 90 is powered by a 4-cylinder engine.
What transmission does the Oliver 90 use?
The Oliver 90 uses a Gear transmission.
How much does the Oliver 90 weigh?
The Oliver 90 weighs 7,000 lbs [3175 kg].
Is the Oliver 90 4WD?
The Oliver 90 is available in 2WD.