Compare/Oliver 77 Row-Crop vs Oliver OC-4

Oliver 77 Row-Crop vs Oliver OC-4

Verdict: Oliver 77 Row-Crop vs Oliver OC-4

The Oliver 77 Row-Crop and the Oliver OC-4 are both tractors — here is how they stack up on the figures that matter. Oliver 77 Row-Crop leads on rated power with 33 hp against 30 hp. Oliver 77 Row-Crop is the lighter machine (4,207 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 77 Row-Crop holds more fuel (62.5 L vs 41.6 L) for longer stints between fills. Oliver OC-4 is the newer design (1957 vs 1948). In short: choose the Oliver 77 Row-Crop for outright pulling power, or the Oliver OC-4 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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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

33 hp

30 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

LP gas 6-speed 2WDApril 28 - May 10, 1952Link: Nebraska Tractor Test 470 fileReference

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

Steering

manualReference

—

Drive

—

crawlerReference

Variants

77 Row-Crop

tricycle chassisReference

—

77 Standard

standard frontReference

—

77 Orchard

low-profileReference

—

OC-4

—

crawlerReference

OC-46

—

loader-crawlerReference

Alfta

—

flex-trackReference

Engine

Fuel tank

62.5 LReference

41.6 LReference

Plows

2-3Reference

—

Drawbar (tested)

24.5 kWReference

18.0 kWReference

Belt (tested)

27.7 kWReference

19.4 kWReference

Displacement

3.2 LReference

2.1 LReference

Bore/Stroke

84 x 95 mmReference

89 x 114 mmReference

Air cleaner

oil bathReference

Compression

15.75:1Reference

6.5:1Reference

Rated RPM

1600Reference

1700Reference

Firing order

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

—

Oil capacity

7.6 LReference

5.4 LReference

Coolant capacity

17.0 LReference

11.4 LReference

Starter volts

6Reference

Belt power (max)

27.1 kWReference

18.9 kWReference

Max power

24.1 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

Torque

—

131.5 NmReference

Torque RPM

—

1400Reference

Transmission

Type

unsynchronized gearReference

gearReference

Gears

6 forward and 2 reverseReference

4 forward and 1 reverseReference

Clutch

dry discReference

PTO & Hydraulics

Rear PTO

independentReference

—

Rear PTO Type

540 (1.375)Reference

Dimensions

Wheelbase

230 cmReference

—

Weight

4207 to 4502 poundsReference

4720 to 5000 poundsReference

Front tire

5.50-16Reference

—

Rear tire

10-38Reference

—

Ag front

5.50-16Reference

—

Ag rear

12-38Reference

—

Length

353 cmReference

281 cmReference

Height

190 cmReference

—

Height (hood)

156 cmReference

—

Ground clearance

63 cmReference

—

Front tread

152 to 227 cmReference

—

Rear tread

152 to 234 cmReference

—

Operating

2042 kgReference

—

Ballasted

3720 kgReference

—

Gauge

—

172 cmReference

Gas Shipping

—

2140 kgReference

Diesel Shipping

—

2154 kgReference

Gas Operating

—

2254 kgReference

Diesel Operating

—

2268 kgReference

77 Serial Numbers

1948

320001Reference

—

1949

320241Reference

—

1950

327901Reference

—

1951

337243Reference

—

1952

347904Reference

—

1953

3500001Reference

—

1954

4501667Reference

—

Location:

later: below instrument panelReference

—

Final

4504470Reference

—

Capacities

Diameter

30 cmReference

—

Width

203 cmReference

152 cmReference

RPM

992Reference

—

Speed

938.78 meters/minReference

—

Test results

Belt fuel use (max)

17.4 l/hourReference

9.5 l/hourReference

Max pull

2167 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.