Skip to content
TractorStack.
An independent tractor referenceSpecifications. Sources. Side by side.
Search
Find your tractor.
Menu ☰
Years in Production / 1952–1960
Oliver
OC-18
Explore the specifications, hardware, and original references for the Oliver OC-18.

No photo
161hp
Source index power
Tracks
Drive
1952–1960
Production years
Oliver
Manufacturer
OC-18 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Cleveland, Ohio, USA
- Manufacturer
- Oliver
Mechanical
Open operator station.
- Drive
- crawler
OC-18 / 02
Under the hood
Engine Detail
Hercules DFXE
diesel
6-cylinder
liquid-cooled vertical I-head
- Displacement
- 895 ci14.7 L
- Bore Stroke
- 5.625x6.00 inches143 x 152 mm
- Power Net
- 161 hp120.1 kW
- Air Cleaner
- oil bath
- Compression Ratio
- 14.8:1
- Rated Rpm
- 1500
- Starter Volts
- 24
- Coolant Capacity
- 62 qts58.7 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled vertical I-head
Engine Options
Hercules 14.7L 6-cyl diesel
- Fuel Tank
- 66 gal249.8 L
OC-18 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 2 reverse
- Clutch
- dry disc
- Oil Capacity
- 104 qts98.4 L
OC-18 / 04
Size. Stance. Footprint.
Tires And Tracks
22-inch tracks
- Weight
- 32500 lbs14742 kg
Tires And Tracks
- Width
- 22 inches55 cm
See it in action
Videos
Watch Oliver OC-18 videos from their original YouTube creators.
OC-18 / 06
Tests (NTTL)
Nebraska Tractor Test 489Nebraska test report ↗
Diesel 4-speed crawerNovember 10 - 24, 1952
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 489
- Max Power
- 128.08 hp95.5 kW
- Max Pull
- 31028 lbs14074 kg