Compare/Oliver 70 vs Oliver OC-4

Oliver 70 vs Oliver OC-4

Verdict: Oliver 70 vs Oliver OC-4

The Oliver 70 and the Oliver OC-4 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 30 hp. Oliver 70 is the lighter machine (3,000 kg vs 4,720 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver 70 holds more fuel (56.8 L vs 41.6 L) for longer stints between fills. Oliver OC-4 is the newer design (1957 vs 1935). 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

30 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

The six-speed transmission was introduced on the "streamlined" model 70 in 1937. The top two gears were locked out if the tractor was equipped with steel wheels.Reference

Gasoline 4-speed crawlerJune 5 - 16, 1958Link: Nebraska Tractor Test 656 fileReference

Final drives

bull gearReference

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Drive

—

crawlerReference

Variants

70 Row-Crop

tricycle chassisReference

—

70 Standard

standard chassisReference

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70 Orchard

low-profileReference

—

OC-4

—

crawlerReference

OC-46

—

loader-crawlerReference

Alfta

—

flex-trackReference

Engine

Fuel tank

56.8 LReference

41.6 LReference

Aux. fuel

3.8 LReference

—

Drawbar (claimed)

16.9 kWReference

—

Drawbar (tested)

21.3 kWReference

18.0 kWReference

Belt (tested)

23.5 kWReference

19.4 kWReference

Displacement

3.3 LReference

2.1 LReference

Bore/Stroke

79 x 111 mmReference

89 x 114 mmReference

Air cleaner

oil bathReference

Rated RPM

1500Reference

1700Reference

Firing order

1-5-3-6-2-4Reference

—

Oil capacity

24.6 LReference

5.4 LReference

Coolant capacity

4.3 LReference

11.4 LReference

Intake valve clearance

0.305 mmReference

—

Exhaust valve clearance

0.305 mmReference

—

Belt power (max)

23.5 kWReference

18.9 kWReference

Max power

21.3 kWReference

17.3 kWReference

Engine

—

22.7 kWReference

Gas Drawbar (claimed)

—

17.9 kWReference

Diesel Drawbar (claimed)

—

18.5 kWReference

Gas Belt (claimed)

—

19.7 kWReference

Diesel Belt (claimed)

—

20.4 kWReference

Power

—

22.5 kWReference

Compression

—

6.5:1Reference

Torque

—

131.5 NmReference

Torque RPM

—

1400Reference

Starter volts

—

6Reference

Transmission

Type

gearReference

Gears

6 forward and 1 reverseReference

4 forward and 1 reverseReference

Clutch

229mm dry discReference

dry discReference

PTO & Hydraulics

PTO (claimed)

22.6 kWReference

—

Rear PTO Type

—

540 (1.375)Reference

Dimensions

Wheelbase

229 cmReference

—

Weight

3000 to 4400 poundsReference

4720 to 5000 poundsReference

Front tire

5.50-16Reference

—

Rear tire

11-38Reference

—

Ag front

5.50-16Reference

—

Ag rear

11-38Reference

—

Length

359 cmReference

281 cmReference

Height (steering wheel)

177 cmReference

—

Height (hood)

147 cmReference

—

Shipping weight

1360 kgReference

—

Operating weight

1995 kgReference

—

Rear tread

182 to 228 cmReference

—

Gauge

—

172 cmReference

Gas Shipping

—

2140 kgReference

Diesel Shipping

—

2154 kgReference

Gas Operating

—

2254 kgReference

Diesel Operating

—

2268 kgReference

70 Serial Numbers

1935

20001Reference

—

1936

200686Reference

—

1937

208729Reference

—

1938

219645Reference

—

1939

223255Reference

—

1940

231116Reference

—

1941

236356Reference

—

1942

241391Reference

—

1943

243640Reference

—

1944

244711Reference

—

1945

250180Reference

—

1946

252780Reference

—

1947

258140Reference

—

1948

262840Reference

—

Location:

Serial number plate on the left side of the engine, behind the air cleaner.Reference

—

Capacities

Diameter

32 cmReference

—

Width

204 cmReference

152 cmReference

RPM

774Reference

—

Test results

Belt fuel use (max)

11.4 l/hourReference

9.5 l/hourReference

Max pull

1891 kgReference

2261 kgReference

Oliver OC-4 Tracks

Length on ground

—

142 cmReference

Area on ground

—

0.9 m²Reference

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.