Compare/Caterpillar R4 vs Caterpillar Thirty

Caterpillar R4 vs Caterpillar Thirty

Verdict: Caterpillar R4 vs Caterpillar Thirty

The Caterpillar R4 and the Caterpillar Thirty 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 1925). 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

Drive

crawlerReference

Factories

—

Peoria, Illinois, USAReference

Engine

Drawbar (tested)

23.0 kWReference

Belt (tested)

27.1 kWReference

Displacement

7.6 LReference

Bore/Stroke

121 x 165 mmReference

Rated RPM

1400Reference

Belt power (max)

27.1 kWReference

Max power

23.0 kWReference

Fuel tank

—

141.9 LReference

Aux. fuel

—

9.8 LReference

Fuel system

—

Zenith K5A carburetorReference

Air cleaner

—

oil bathReference

Transmission

Type

gearReference

Gears

5 forward and 1 reverseReference

Clutch

—

dry discReference

Dimensions

Gauge

—

154 cmReference

Test results

Max pull

2776 kgReference

Capacities

Diameter

—

30 cmReference

Width

—

76 cmReference

RPM

—

840Reference

Caterpillar Thirty Tracks

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.