Compare/Oliver 66 Row-Crop vs Oliver OC-3

Oliver 66 Row-Crop vs Oliver OC-3

Verdict: Oliver 66 Row-Crop vs Oliver OC-3

The Oliver 66 Row-Crop and the Oliver OC-3 are both tractors — here is how they stack up on the figures that matter. Oliver 66 Row-Crop leads on rated power with 23 hp against 22 hp. Oliver OC-3 is the lighter machine (1,750 kg vs 3,193 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver OC-3 holds more fuel (45.4 L vs 37.9 L) for longer stints between fills. Oliver OC-3 is the newer design (1951 vs 1949). In short: choose the Oliver 66 Row-Crop for outright pulling power, or the Oliver OC-3 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Oliver

Fit score

Best match

Clear

Oliver

Fit score

Best match

Clear

Rated power

23 hp

22 hp

Confidence

40%

Guide price

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Overview

Manufacturer

OliverReference

Diesel 6-speed 2WDOctober 12 - 18, 1951Link: Nebraska Tractor Test 467 fileReference

liquid-cooled vertical L-headReference

Original price

$2,000 (1954)Reference

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Steering

manualReference

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Drive

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crawlerReference

Variants

66R

row-cropReference

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66S

standardReference

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Engine

Fuel tank

37.9 LReference

45.4 LReference

Plows

2 (14-inch)Reference

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Drawbar (tested)

16.8 kWReference

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Belt (tested)

18.7 kWReference

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Displacement

2.1 LReference

2.2 LReference

Bore/Stroke

84 x 95 mmReference

83 x 102 mmReference

Fuel system

Marvel-Schebler carburetorReference

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Air cleaner

oil bathReference

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Compression

15.5:1Reference

6.67:1Reference

Rated RPM

1600Reference

1700Reference

Coolant capacity

13.2 LReference

10.4 LReference

Belt power (max)

18.7 kWReference

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Max power

16.8 kWReference

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Drawbar (claimed)

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16.4 kWReference

Belt (claimed)

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19.8 kWReference

Starter type

—

electricReference

Transmission

Gears

6 forward and 2 reverseReference

3 forward and 1 reverseReference

Clutch

dry discReference

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PTO & Hydraulics

Type

unsynchronized gearReference

gearReference

Rear PTO

independentReference

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Rear PTO Type

540Reference

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Dimensions

Wheelbase

220 cmReference

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Weight

3193 to 3795 poundsReference

1750 kgReference

Front tire

5.00-15Reference

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Rear tire

8-38Reference

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Ag front

5.00-15Reference

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Ag rear

10-38Reference

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Length

342 cmReference

254 cmReference

Height

216 cmReference

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Ground clearance

61 cmReference

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Front tread

128 to 222 cmReference

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Rear tread

152 to 223 cmReference

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Operating

1721 kgReference

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Ballasted

2523 kgReference

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Height (hood)

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128 cmReference

Gauge

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172 cmReference

66 Serial Numbers

1949

420001Reference

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1950

423101Reference

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1951

426011Reference

1WH000Reference

1952

429771Reference

3WH712Reference

1953

3503990Reference

3500001Reference

1954

4500309Reference

4500001Reference

Final

4503563Reference

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Capacities

Diameter

30 cmReference

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Width

18 cmReference

133 cmReference

RPM

987Reference

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Speed

934.21 meters/minReference

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Test results

Belt fuel use (max)

6.8 l/hourReference

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Max pull

1619 kgReference

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Oliver OC-3 attachments

OC-3 Serial Numbers

1955

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11WH760Reference

1956

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15WH306Reference

1957

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19WH090Reference

Oliver OC-3 Tracks

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.