Compare/Oliver OC-12 vs Oliver Super 99

Oliver OC-12 vs Oliver Super 99

Verdict: Oliver OC-12 vs Oliver Super 99

The Oliver OC-12 and the Oliver Super 99 are both tractors — here is how they stack up on the figures that matter. Oliver Super 99 leads on rated power with 65 hp against 63 hp. Oliver OC-12 is the lighter machine (4,955 kg vs 7,600 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver OC-12 holds more fuel (132.5 L vs 113.6 L) for longer stints between fills. Oliver OC-12 is the newer design (1955 vs 1954). In short: choose the Oliver Super 99 for outright pulling power, or the Oliver OC-12 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

63 hp

65 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

Diesel 4-speed crawlerJune 15 - 28, 1955Link: Nebraska Tractor Test 549 fileReference

Diesel 6-speed 2WDAugust 29 - September 3, 1955Link: Nebraska Tractor Test 557 fileReference

Drive

crawlerReference

—

Variants

OC-12

crawlerReference

—

OC-126

crawler-loaderReference

—

Engine

Fuel tank

132.5 LReference

113.6 LReference

Engine

47.0 kWReference

—

Drawbar (claimed)

39.5 kWReference

40.3 kWReference

Belt (claimed)

44.0 kWReference

—

Drawbar (tested)

37.9 kWReference

54.7 kWReference

Belt (tested)

43.2 kWReference

58.7 kWReference

Displacement

4.9 LReference

Bore/Stroke

95 x 114 mmReference

102 x 102 mmReference

Power

45.9 kWReference

—

Compression

15.5:1Reference

Rated RPM

1750Reference

1675Reference

Starter volts

12Reference

Coolant capacity

18.9 LReference

—

Oil capacity

30.3 LReference

—

Belt power (max)

42.2 kWReference

46.5 kWReference

Max power

37.7 kWReference

43.5 kWReference

Plows

—

5-6 (GM)Reference

Air cleaner

—

oil bathReference

Transmission

Type

gearReference

Gears

4 forward and 2 reverseReference

6 forward and 2 reverseReference

Clutch

—

355.6mm dry discReference

Dimensions

Weight

4955 kgReference

7600 to 8200 poundsReference

Length

278 cmReference

—

Width

193 cmReference

22 cmReference

Height

168 cmReference

—

Ground clearance

35 cmReference

—

Gauge

152 cmReference

—

Wheelbase

—

203 cmReference

Front tire

—

7.50-18Reference

Rear tire

—

18-26Reference

Ag front

—

7.50-18Reference

Ag rear

—

15-34Reference

Front tread

—

151 cmReference

Rear tread

—

157 cmReference

Operating

—

3719 kgReference

Ballasted

—

6804 kgReference

Oliver OC-12 attachments

Oliver OC-12 Tracks

4-roller width

35 cmReference

—

4-roller length on ground

172 cmReference

—

4-roller area on ground

1.2 m²Reference

—

5-roller width

35 cmReference

—

5-roller length on ground

181 cmReference

—

5-roller area on ground

1.3 m²Reference

—

Test results

Belt fuel use (max)

18.2 l/hourReference

16.7 l/hourReference

Max pull

5140 kgReference

4178 kgReference

PTO & Hydraulics

PTO (claimed)

—

59.7 kWReference

Rear PTO

—

liveReference

Rear PTO Type

—

540Reference

Super 99 Serial Numbers

1954

—

519300Reference

1955

—

519676Reference

1956

—

520456Reference

1957

—

520944Reference

1958

—

521613Reference

Final

—

521635Reference

Capacities

Diameter

—

31 cmReference

RPM

—

1000Reference

Speed

—

978.41 meters/minReference

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.