Introduction
Oliver Super 55 Utility Tractor
The Oliver Super 55 is a utility tractor manufactured between 1954 and 1958. Designed as a versatile machine for mid-century agricultural operations, it remains a notable model within the Oliver tractor lineage.
Engine and Performance
The tractor is powered by a liquid-cooled, 4-cylinder Waukesha-Oliver engine with a displacement of 144 cubic inches (2.4 liters). It produces 36 horsepower at a rated speed of 2000 RPM. The engine features an oil bath air cleaner to maintain performance in dusty field conditions and operates with a 15.75:1 compression ratio.
Transmission and Drivetrain
The Super 55 utilizes an unsynchronized gear transmission providing 6 forward speeds and 2 reverse speeds. Power is transferred to the wheels via a dry plate clutch. The tractor is configured as a two-wheel drive machine, equipped with mechanical disc brakes to ensure reliable stopping power.
Hydraulics and PTO
The unit is equipped with a live rear power take-off (PTO) system, which rotates at a standard 540 RPM. This feature allows for the operation of various implements independently of the tractor's forward motion, enhancing utility during field tasks.
Dimensions and Weight
The tractor has a wheelbase of 73 inches (185 cm) and an overall length of 120 inches (304 cm). In its base configuration, the operating weight is 3,400 lbs (1542 kg), which can be increased to 5,500 lbs (2494 kg) when ballasted. The tread width for both front and rear is adjustable between 48 and 76 inches to accommodate different row spacings.
Conclusion
The Oliver Super 55 is a mechanical utility tractor suited for general farm work. Its combination of a 36-horsepower engine, adjustable tread width, and live PTO makes it a functional tool for diverse agricultural applications, reflecting the engineering standards of the mid-1950s.
Production Information of Oliver, Super 55
- Utility tractor
- Original price was $2,750 in 1958
| Manufacturer | Oliver |
|---|
Dimension and Tires Information of Oliver, Super 55
| Rear tread | 48 to 76 inches [121 to 193 cm] |
|---|---|
| Wheelbase | 73 inches [185 cm] |
| Ballasted weight | 5,500 lbs [2494 kg] |
| Operating weight | 3,400 lbs [1542 kg] |
| Length | 120 inches [304 cm] |
| Front tread | 48 to 76 inches [121 to 193 cm] |
| Height | 71 inches [180 cm] |
| Ag front | 6.00-16 |
|---|---|
| Ag rear | 11-28 |
Engine Specifications of Oliver, Super 55
- Liquid-cooled inline
- Waukesha-Oliver
- 4-cylinder
| Coolant capacity | 14 qts [13.2 L] |
|---|---|
| Displacement | 144 ci [2.4 L] |
| Compression | 15.75:1 |
| Bore/Stroke | 3.50x3.75 inches [89 x 95 mm] |
| Starter volts | 12 |
| Rated RPM | 2000 |
| Air cleaner | Oil bath |
Transmission Information of Oliver, Super 55
Transmission variants 1
| Type | Unsynchronized gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Clutch | Dry plate |
Mechanical Specs of Oliver, Super 55
- Two-wheel drive
- Mechanical disc brakes
- Open operator station.
Power Information of Oliver, Super 55
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 (1.375) |
Where it sits
With 36 hp[P] HP, the Oliver Super 55 sits between Super 44 (31 HP) and 550 (46 HP) in Oliver's range. Its power puts it in the 48th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Oliver Super 55 have?
The Oliver Super 55 delivers 36 hp[P] HP.
What years was the Oliver Super 55 produced?
The Oliver Super 55 was produced in 1954-1958.
What engine does the Oliver Super 55 have?
The Oliver Super 55 is powered by a 4-cylinder engine.
What transmission does the Oliver Super 55 use?
The Oliver Super 55 uses a Unsynchronized gear transmission.
How much does the Oliver Super 55 weigh?
The Oliver Super 55 weighs 3,400 lbs [1542 kg].
Is the Oliver Super 55 4WD?
The Oliver Super 55 is available in 2WD.