Oliver OC-12 tractor

Oliver OC-12

Power

63 hp

Production

1955-1960

Engine

Diesel, 6-cylinder

Transmission

Gear

Introduction

Oliver OC-12 Crawler Tractor

The Oliver OC-12 is an agricultural crawler tractor manufactured in Cleveland, Ohio, between 1955 and 1960. Designed for heavy-duty field operations, this tracked machine provides significant traction and stability for demanding agricultural environments.

Engine Specifications

The tractor is powered by a liquid-cooled, 6-cylinder diesel engine with a displacement of 298 cubic inches (4.9 L). Operating at a rated speed of 1750 RPM, the engine produces 61.5 hp (45.9 kW). It features a compression ratio of 15.5:1, a bore and stroke of 3.75 by 4.50 inches, and utilizes a 12-volt electrical starting system. Maintenance capacities include 12 quarts of oil and 20 quarts of coolant.

Transmission and Drivetrain

The drivetrain utilizes a gear-type transmission providing 4 forward speeds and 2 reverse speeds, allowing the operator to select appropriate ratios for various tasks. The transmission system requires 30.3 liters (32 quarts) of oil for lubrication. As a crawler model, the machine is designed for superior ground contact and traction compared to wheeled tractors.

Dimensions and Operator Station

The Oliver OC-12 weighs approximately 10,925 lbs (4,955 kg) and is equipped with 14-inch wide tracks to distribute this weight effectively over the soil. The operator station is of the open type, providing clear visibility and direct access to machine controls during operation.

Conclusion

With its robust diesel engine and crawler design, the Oliver OC-12 is engineered for heavy-duty traction tasks in challenging agricultural conditions. Its build quality and mechanical configuration establish it as a reliable tool for heavy field work.

Production Information of Oliver, OC-12

  • Agricultural Crawler tractor
  • Built in Cleveland, Ohio, USA
ManufacturerOliver

Engine Specifications of Oliver, OC-12

  • Liquid-cooled vertical I-head
  • Diesel
  • 6-cylinder
Oil capacity12 qts [11.4 L]
Displacement298 ci [4.9 L]
Compression15.5:1
Bore/Stroke3.75x4.50 inches [95 x 114 mm]
Coolant capacity20 qts [18.9 L]
Starter volts12
Rated RPM1750
Power61.5 hp [45.9 kW]

Transmission Information of Oliver, OC-12

Transmission variants 1

TypeGear
Gears4 forward and 2 reverse
Oil capacity32 qts [30.3 L]

Mechanical Specs of Oliver, OC-12

  • Open operator station.
DriveCrawler

Power Information of Oliver, OC-12

  • Https://www.tractordata.com/farm-tractors/001/8/1/1814-oliver-oc-12-tests.html

Where it sits

With 63 HP, the Oliver OC-12 sits between Super 88 (62 HP) and 950 (66 HP) in Oliver's range. Its power puts it in the 90th percentile of 1950s models in our database (592 machines).

Frequently asked questions

How much horsepower does the Oliver OC-12 have?

The Oliver OC-12 delivers 63 HP.

What years was the Oliver OC-12 produced?

The Oliver OC-12 was produced in 1955-1960.

What engine does the Oliver OC-12 have?

The Oliver OC-12 is powered by a Diesel, 6-cylinder engine.

What transmission does the Oliver OC-12 use?

The Oliver OC-12 uses a Gear transmission.

Compare the Oliver OC-12 with another model