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Tractor · 1953Unverified

Oliver OC-6

Name: Oliver OC-6
Brand: Oliver

Oliver OC-6 — Agricultural Crawler tractor · 45 hp. Reference specifications; pending source verification.

The Oliver OC-6 is a tractor with a rated output of 45 hp, classifying it as one of the more compact options within its class. Available from 1953 to 1960, the tractor features a 6-cylinder diesel liquid-cooled engine and a 6-speed gearbox, driving through a tracked undercarriage. Weighing between 5565 and 5855 pounds, it is suited to tasks on areas of up to 200 ac.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

45 hp

Max power

23.8 kW

Weight

5565 to 5855 pounds

Catalogue coverage

Variants represented

Richest spec table

85 rows

Recorded power

45 hp

Transmissions

6-speed gear

Production years

1953-1960

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerOliverReference

Agricultural Crawler tractorReference

Built in Cleveland, Ohio, USAReference

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

DrivecrawlerReference

Mechanical contracting band brakesReference

Open operator station.Reference

Engine

Oliver-Waukesha 3.2L 6-cyl gasolineReference

Oliver-Waukehsa 3.2L 6-cyl dieselReference

Oliver-Waukesha 3.5L 6-cyl gasolineReference

Fuel tank62.5 LReference

Engine33.6 kWReference

Plows3Reference

Drawbar (tested)25.0 kWReference

Oliver-WaukeshaReference

gasolineReference

6-cylinderReference

liquid-cooled vertical I-headReference

Displacement3.2 LReference

Bore/Stroke84 x 95 mmReference

Power33.6 kWReference

Air cleanerVortox oil bathReference

Compression6.75:1Reference

Rated RPM1600Reference

Firing order1-5-3-6-2-4Reference

Oil capacity4.7 LReference

Coolant capacity16.1 LReference

Oliver-WaukehsaReference

dieselReference

Power32.1 kWReference

Compression15.75:1Reference

liquid-cooledReference

Larger bore engine replaced the original gas engineReference

Displacement3.5 LReference

Bore/Stroke89 x 95 mmReference

Max power23.8 kWReference

Max power25.0 kWReference

Transmission

6-speed gearReference

TypegearReference

Gears6 forward and 2 reverseReference

Clutchdry discReference

PTO & Hydraulics

Rear PTOindependent optionalReference

Dimensions

Wheelbase137 cmReference

Weight5565 to 5855 poundsReference

8-inch tracksReference

Length308 cmReference

Width142 cmReference

Width208 cmReference

Height143 cmReference

Ground clearance50 cmReference

Gauge106 cmReference

Gauge172 cmReference

Gas Operating2524 kgReference

Gas Operating2587 kgReference

Diesel Operating2592 kgReference

Diesel Operating2655 kgReference

OC-6 Serial Numbers

19533502785 (gasoline)Reference

19544500002 (gasoline)Reference

19551RM182 (gasoline)Reference

19561RM314 (gasoline)Reference

19571RM504 (gasoline)Reference

19581RM808 (gasoline)Reference

19592RM004 (gasoline)Reference

19602RM126 (gasoline)Reference

19533502776 (diesel)Reference

19544500007 (diesel)Reference

19551RM468 (diesel)Reference

19561RM632 (diesel)Reference

19571RM876 (diesel)Reference

19582RC262 (diesel)Reference

19592RC366 (diesel)Reference

19602RC458 (diesel)Reference

FAQ: How to read a serial number table.Reference

Oliver OC-6 Tracks

Option10-inch tracksReference

Option12-inch tracksReference

Width20 cmReference

Test results

NTTL 516: gasoline 6-speed crawlerReference

NTTL 517: diesel 6-speed crawlerReference

Gasoline 6-speed crawlerApril 15 - 28, 1954Link: Nebraska Tractor Test 516 fileReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull2819 kgReference

Gear 1 used for pull test.Reference

Diesel 6-speed crawlerApril 17 - May 7, 1954Link: Nebraska Tractor Test 517 fileReference

Max pull3074 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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