Compare/Caterpillar R4 vs Caterpillar Twenty-Eight

Caterpillar R4 vs Caterpillar Twenty-Eight

Verdict: Caterpillar R4 vs Caterpillar Twenty-Eight

The Caterpillar R4 and the Caterpillar Twenty-Eight are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 31 hp. Caterpillar R4 is the newer design (1938 vs 1933). 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

Caterpillar

Fit score

Best match

Clear

Caterpillar

Fit score

Best match

Clear

Rated power

31 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

CaterpillarReference

Gear 1 used for pull test.Reference

liquid-cooledReference

Drive

crawlerReference

Total built

—

1171Reference

Engine

Drawbar (tested)

23.0 kWReference

—

Belt (tested)

27.1 kWReference

—

Displacement

7.6 LReference

4.5 LReference

Bore/Stroke

121 x 165 mmReference

106 x 140 mmReference

Rated RPM

1400Reference

1100Reference

Belt power (max)

27.1 kWReference

—

Max power

23.0 kWReference

—

Drawbar (claimed)

—

22.7 kWReference

Belt (claimed)

—

28.0 kWReference

Air cleaner

—

oil bathReference

Transmission

Type

gearReference

Gears

5 forward and 1 reverseReference

3 forward and 1 reverseReference

Dimensions

Weight

—

3569 kgReference

Length

—

294 cmReference

Height

—

153 cmReference

Test results

Max pull

2776 kgReference

—

PTO & Hydraulics

Rear PTO Type

—

540 (1.375)Reference

Capacities

Diameter

—

29 cmReference

Width

—

156 cmReference

RPM

—

935Reference

Speed

—

786.38 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.