Compare/Oliver 66 Standard vs Oliver OC-3

Oliver 66 Standard vs Oliver OC-3

Verdict: Oliver 66 Standard vs Oliver OC-3

The Oliver 66 Standard and the Oliver OC-3 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 22 hp. Oliver 66 Standard is the lighter machine (1,444 kg vs 1,750 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). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

22 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

Gear 1 used for pull test.Reference

liquid-cooled vertical L-headReference

Steering

manualReference

—

Drive

—

crawlerReference

Variants

66R

row-cropReference

—

66S

standardReference

—

Engine

Fuel tank

37.9 LReference

45.4 LReference

Plows

2 (14-inch)Reference

—

Drawbar (tested)

16.0 kWReference

—

Belt (tested)

18.6 kWReference

—

Displacement

2.1 LReference

2.2 LReference

Bore/Stroke

84 x 95 mmReference

83 x 102 mmReference

Fuel system

Marvel-Schebler carburetorReference

—

Air cleaner

oil bathReference

—

Compression

15.5:1Reference

6.67:1Reference

Rated RPM

1600Reference

1700Reference

Coolant capacity

13.2 LReference

10.4 LReference

Belt power (max)

18.6 kWReference

—

Max power

16.0 kWReference

—

Drawbar (claimed)

—

16.4 kWReference

Belt (claimed)

—

19.8 kWReference

Starter type

—

electricReference

Transmission

Type

unsynchronized gearReference

gearReference

Gears

6 forward and 2 reverseReference

3 forward and 1 reverseReference

Clutch

dry discReference

—

PTO & Hydraulics

Rear PTO

independentReference

—

Rear PTO Type

540Reference

—

Dimensions

Wheelbase

186 cmReference

—

Weight

1444 kgReference

1750 kgReference

Front tire

5.00-15Reference

—

Rear tire

10-24Reference

—

Ag front

5.00-15Reference

—

Ag rear

10-24Reference

—

Length

314 cmReference

254 cmReference

Height

200 cmReference

—

Operating weight

1444 kgReference

—

Ballasted weight

2540 kgReference

—

Ground clearance

29 cmReference

—

Front tread

116/129 cmReference

—

Rear tread

126/151 cmReference

—

Height (hood)

—

128 cmReference

Gauge

—

172 cmReference

66 Standard Serial Numbers

1949

470001Reference

—

1950

471051Reference

—

1951

472391Reference

1WH000Reference

1952

474233Reference

3WH712Reference

1953

3504001Reference

3500001Reference

1954

4501624Reference

4500001Reference

Final

4504476Reference

—

Capacities

Diameter

30 cmReference

—

Width

18 cmReference

133 cmReference

RPM

987Reference

—

Speed

934.21 meters/minReference

—

Test results

Belt fuel use (max)

7.9 l/hourReference

—

Max pull

1390 kgReference

—

Oliver OC-3 attachments

OC-3 Serial Numbers

1955

—

11WH760Reference

1956

—

15WH306Reference

1957

—

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.