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Years in Production / 1955–1960
Oliver
OC-12
Explore the specifications, hardware, and original references for the Oliver OC-12.
63hp
Source index power
Tracks
Drive
1955–1960
Production years
Oliver
Manufacturer
OC-12 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Cleveland, Ohio, USA
- Manufacturer
- Oliver
Mechanical
Open operator station.
- Drive
- crawler
OC-12 / 02
Under the hood
Engine Detail (Option 1)
Hercules JXLD
gasoline
6-cylinder
liquid-cooled vertical L-head
vertical L-head
- Displacement
- 339 ci5.6 L
- Bore Stroke
- 4.00x4.50 inches102 x 114 mm
- Power
- 63 hp47.0 kW
- Compression Ratio
- 6.25:1
- Rated Rpm
- 1750
- Starter Volts
- 6
- Coolant Capacity
- 24 qts22.7 L
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled vertical L-head
Engine Detail (Option 2)
Hercules DJXC
diesel
6-cylinder
liquid-cooled vertical I-head
- Displacement
- 298 ci4.9 L
- Bore Stroke
- 3.75x4.50 inches95 x 114 mm
- Power
- 61.5 hp45.9 kW
- Compression Ratio
- 15.5:1
- Rated Rpm
- 1750
- Starter Volts
- 12
- Oil Capacity
- 12 qts11.4 L
- Coolant Capacity
- 20 qts18.9 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled vertical I-head
Engine Options
Hercules 5.6L 6-cyl gasoline
Hercules 4.9L 6-cyl diesel
- Fuel Tank
- 35 gal132.5 L
OC-12 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 2 reverse
- Oil Capacity
- 32 qts30.3 L
OC-12 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 109.75 in278 cm
- Width
- 58 in147 cm
- Height
- 66.5 in168 cm
- Ground clearance
- 14.1 in35 cm
Tires And Tracks
14-inch tracks
- Weight
- 10925 lbs4955 kg
Tires And Tracks
- 4 Roller Width
- 14 inches35 cm
- 4 Roller Length On Ground
- 67.75 inches172 cm
- 4 Roller Area On Ground
- 1897 in²1.2 m²
- 5 Roller Width
- 14 inches35 cm
- 5 Roller Length On Ground
- 71.5 inches181 cm
- 5 Roller Area On Ground
- 2002 in²1.3 m²
See it in action
Videos
Watch Oliver OC-12 videos from their original YouTube creators.
OC-12 / 06
Tests (NTTL)
Nebraska Tractor Test 548Nebraska test report ↗
Gasoline 4-speed crawlerJune 15 - 28, 1955
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 548
- Belt Power Max
- 57.93 hp43.2 kW
- Belt Fuel Use Max
- 6.0 gal/hour22.7 l/hour
- Max Power
- 50.83 hp37.9 kW
- Max Pull
- 10399 lbs4716 kg
Nebraska Tractor Test 549Nebraska test report ↗
Diesel 4-speed crawlerJune 15 - 28, 1955
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 549
- Belt Power Max
- 56.55 hp42.2 kW
- Belt Fuel Use Max
- 4.8 gal/hour18.2 l/hour
- Max Power
- 50.54 hp37.7 kW
- Max Pull
- 11333 lbs5140 kg