Compare/Caterpillar RD4 vs Caterpillar Sixty

Caterpillar RD4 vs Caterpillar Sixty

Verdict: Caterpillar RD4 vs Caterpillar Sixty

The Caterpillar RD4 and the Caterpillar Sixty are both tractors — here is how they stack up on the figures that matter. Caterpillar Sixty leads on rated power with 40 hp against 35 hp. Caterpillar RD4 is the newer design (1935 vs 1925). In short: choose the Caterpillar Sixty for outright pulling power, or the Caterpillar RD4 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

Caterpillar

Fit score

Best match

Clear

Caterpillar

Fit score

Best match

Clear

Rated power

35 hp

40 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

CaterpillarReference

Gear 1 used for pull test.Reference

Drawbar performanceReference

Drive

crawlerReference

Factories

—

Peoria, Illinois, USAReference

Engine

Drawbar (tested)

26.1 kWReference

—

Belt (tested)

29.7 kWReference

54.4 kWReference

Displacement

5.1 LReference

18.5 LReference

Bore/Stroke

108 x 140 mmReference

165 x 216 mmReference

Rated RPM

1400Reference

650Reference

Belt power (max)

29.7 kWReference

54.4 kWReference

Max power

26.1 kWReference

—

Drawbar (claimed)

—

29.8 kWReference

Belt (claimed)

—

54.4 kWReference

Transmission

Type

gearReference

Gears

5 forward and 1 reverseReference

3 forward and 1 reverseReference

Clutch

dry discReference

—

Dimensions

Gauge

152 cmReference

—

Weight

—

8618 kgReference

Length

—

396 cmReference

Height

—

198 cmReference

RD4 Serial Numbers

1936

4G1Reference

—

1937

4G3663Reference

—

1938

4G8858Reference

—

1939

4G9912Reference

—

Test results

Belt fuel use (max)

11.0 l/hourReference

—

Max pull

3561 kgReference

5606 kgReference

Capacities

Diameter

—

40 cmReference

Width

—

241 cmReference

RPM

—

650Reference

Speed

—

804.67 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.