Introduction
Oliver 660 Row-Crop Tractor
The Oliver 660 is a row-crop tractor produced between 1959 and 1964. Positioned as a versatile mid-range machine, it was designed to handle a variety of agricultural tasks with a focus on durability and mechanical simplicity.
Engine and Performance
The tractor is powered by a 4-cylinder Waukesha-Oliver diesel engine with a displacement of 155 cubic inches (2.5 liters). It features a liquid-cooling system and a compression ratio of 16:1. Rated at 45 horsepower, the engine reaches its optimal power output at 1750 engine RPM, providing consistent torque for field operations.
Transmission and PTO
The drivetrain consists of an unsynchronized gear transmission offering 6 forward speeds and 2 reverse speeds. Power is transferred via a 235mm dry disc clutch. The rear power take-off (PTO) is independent and operates at a standard speed of 540 RPM, allowing for the reliable operation of various implements.
Hydraulics and Dimensions
The hydraulic system features a pump flow rate of 8 gallons per minute (30.3 liters per minute) with a total system capacity of 9.5 gallons (36 liters). In terms of physical dimensions, the tractor has a wheelbase of 92 inches (233 cm) and a ground clearance of 24.1 inches (61 cm), which facilitates navigation through crop rows. The diesel variant has a shipping weight of approximately 3,178 lbs (1441 kg).
Conclusion
The Oliver 660 is a robust, two-wheel-drive utility tractor suited for row-crop applications. Its straightforward mechanical design and independent PTO system make it a reliable choice for farmers seeking a classic, functional workhorse for general field maintenance and light-to-medium traction work.
Production Information of Oliver, 660
- Row-Crop tractor
- Original price was $3,450 in 1964
| Manufacturer | Oliver |
|---|
Dimension and Tires Information of Oliver, 660
| Ground clearance | 24.1 inches [61 cm] |
|---|---|
| Wheelbase | 92 inches [233 cm] |
| Gas Shipping weight | 3128 lbs [1418 kg] |
| Height | 87.4 inches [221 cm] |
| Length | 134.4 inches [341 cm] |
| Diesel Shipping weight | 3178 lbs [1441 kg] |
| Width | 80.9 inches [205 cm] |
| Ag front | 5.00-16 |
|---|---|
| Ag front(optional) | 12.4-38 |
| Ag rear | 10-38 |
| Ag rear | 9-38 |
| Ag front | 6.00-16 |
Engine Specifications of Oliver, 660
- Waukesha-Oliver
- Liquid-cooled
- Diesel
- 4-cylinder
| Coolant capacity | 14 qts [13.2 L] |
|---|---|
| Displacement | 155 ci [2.5 L] |
| Starter volts | 12 |
| Bore/Stroke | 3.62x3.75 inches [92 x 95 mm] |
| Oil capacity | 4 qts [3.8 L] |
| Starter volts | 12 |
| Compression | 16:1 |
Transmission Information of Oliver, 660
Transmission variants 1
| Type | Unsynchronized gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Clutch | 235mm dry disc |
Mechanical Specs of Oliver, 660
- Two-wheel drive
- Open operator station.
Power Information of Oliver, 660
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| Engine RPM | 533@1750 |
Hydraulics Specifications of Oliver, 660
| Capacity | 9.5 gal [36.0 L] |
|---|---|
| Pump flow | 8 gpm [30.3 lpm] |
Where it sits
With 45 hp[P] HP, the Oliver 660 sits between Super 66 (36 HP) and 550 (46 HP) in Oliver's range. Its power puts it in the 66th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Oliver 660 have?
The Oliver 660 delivers 45 hp[P] HP.
What years was the Oliver 660 produced?
The Oliver 660 was produced in 1959-1964.
What engine does the Oliver 660 have?
The Oliver 660 is powered by a Diesel, 4-cylinder engine.
What transmission does the Oliver 660 use?
The Oliver 660 uses a Unsynchronized gear transmission.
How much does the Oliver 660 weigh?
The Oliver 660 weighs 3128 lbs [1418 kg].
Is the Oliver 660 4WD?
The Oliver 660 is available in 2WD.