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Years in Production / 1953–1960

Oliver

OC-6

Explore the specifications, hardware, and original references for the Oliver OC-6.

Generic tractor; no model photo available
No photo

45hp

Source index power

Tracks

Drive

1953–1960

Production years

Oliver

Manufacturer

OC-6 / 01

At a glance

Production

Agricultural Crawler tractor

Built in Cleveland, Ohio, USA

The diesel variant of the Oliver OC-6 was known as the OC-6D. The OC-6 was based on the Oliver 77 tractor.

Manufacturer
Oliver

Mechanical

Mechanical contracting band brakes

Open operator station.

Drive
crawler

Pto

Rear Pto
independent optional

OC-6 / 02

Under the hood

Engine Detail (Option 1)

Oliver-Waukesha

gasoline

6-cylinder

liquid-cooled vertical I-head

Displacement
193.9 ci3.2 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Power
45 hp33.6 kW
Air Cleaner
Vortox oil bath
Compression Ratio
6.75:1
Rated Rpm
1600
Firing Order
1-5-3-6-2-4
Oil Capacity
5 qts4.7 L
Coolant Capacity
17 qts16.1 L
Fuel Type
gasoline
Cylinders
6
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 2)

Oliver-Waukehsa

diesel

6-cylinder

liquid-cooled vertical I-head

Displacement
193.9 ci3.2 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Power
43 hp32.1 kW
Air Cleaner
Vortox oil bath
Compression Ratio
15.75:1
Rated Rpm
1600
Firing Order
1-5-3-6-2-4
Oil Capacity
5 qts4.7 L
Fuel Type
diesel
Cylinders
6
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 3)

Oliver-Waukesha

gasoline

6-cylinder

liquid-cooled

Larger bore engine replaced the original gas engine

Displacement
216.5 ci3.5 L
Bore Stroke
3.50x3.75 inches89 x 95 mm
Fuel Type
gasoline
Cylinders
6
Cooling
liquid-cooled

Engine Options

Oliver-Waukesha 3.2L 6-cyl gasoline

Oliver-Waukehsa 3.2L 6-cyl diesel

Oliver-Waukesha 3.5L 6-cyl gasoline

Fuel Tank
16.5 gal62.5 L

OC-6 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
6 forward and 2 reverse
Clutch
dry disc

OC-6 / 04

Size. Stance. Footprint.

Dimensions

Length
121.5 in308 cm
Width
82.25 in208 cm
Height
56.5 in143 cm
Wheelbase
54.2 in137 cm
Ground clearance
20 in50 cm

Tires And Tracks

8-inch tracks

Wheelbase
54.2 inches137 cm
Weight
5565 to 5855 pounds

Tires And Tracks

Option
10-inch tracks
Option
12-inch tracks
Width
8 inches20 cm

See it in action

Videos

Watch Oliver OC-6 videos from their original YouTube creators.

The History Of The Oliver OC-6: Oliver's Replacement For The Cletrac Model E!

Video by Wisconsin Oliver Nut

Watch on YouTube ↗

OC-6 / 06

Tests (NTTL)

Nebraska Tractor Test 516

Gasoline 6-speed crawlerApril 15 - 28, 1954

Drawbar performance

Gear 2 used for power test.

Gear 1 used for pull test.

Id
516
Max Power
31.92 hp23.8 kW
Max Pull
6215 lbs2819 kg

Nebraska Tractor Test 517

Diesel 6-speed crawlerApril 17 - May 7, 1954

Drawbar performance

Gear 2 used for power test.

Gear 1 used for pull test.

Id
517
Max Power
33.46 hp25.0 kW
Max Pull
6779 lbs3074 kg