Compare/Oliver 77 Standard vs Oliver OC-4

Oliver 77 Standard vs Oliver OC-4

Verdict: Oliver 77 Standard vs Oliver OC-4

The Oliver 77 Standard and the Oliver OC-4 are both tractors — here is how they stack up on the figures that matter. Oliver OC-4 leads on rated power with 30 hp against 28 hp. Oliver 77 Standard is the lighter machine (1,746 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 Standard holds more fuel (62.5 L vs 41.6 L) for longer stints between fills. Oliver OC-4 is the newer design (1957 vs 1949). In short: choose the Oliver OC-4 for outright pulling power, or the Oliver 77 Standard 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

28 hp

30 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

Gear 1 used for pull test.Reference

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

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)

21.2 kWReference

18.0 kWReference

Belt (tested)

25.0 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

Belt power (max)

25.0 kWReference

18.9 kWReference

Max power

21.2 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

Starter volts

—

6Reference

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

198 cmReference

—

Weight

1746 kgReference

4720 to 5000 poundsReference

Front tire

5.50-16Reference

—

Rear tire

12-26Reference

—

Ag front

5.50-16Reference

—

Ag rear

12-26Reference

—

Length

329 cmReference

281 cmReference

Height (steering wheel)

176 cmReference

—

Height (hood)

141 cmReference

—

Operating weight

1746 kgReference

—

Ballasted weight

3364 kgReference

—

Ground clearance

29 cmReference

—

Front tread

119/132 cmReference

—

Rear tread

133 cmReference

—

Gauge

—

172 cmReference

Gas Shipping

—

2140 kgReference

Diesel Shipping

—

2154 kgReference

Gas Operating

—

2254 kgReference

Diesel Operating

—

2268 kgReference

77 Standard Serial Numbers

1948

269001Reference

—

1949

269941Reference

—

1950

271267Reference

—

1951

272466Reference

—

1952

273376Reference

—

Location:

Rear main frame and transmission, front-right sideReference

—

Final

274051Reference

—

Capacities

Diameter

197 cmReference

—

Width

163 cmReference

152 cmReference

RPM

992Reference

—

Speed

938.78 meters/minReference

—

Test results

Belt fuel use (max)

11.0 l/hourReference

9.5 l/hourReference

Max pull

1724 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.