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Tractor · 1935Unverified

Caterpillar RD7

Name: Caterpillar RD7
Brand: Caterpillar

Caterpillar RD7 — Agricultural Crawler tractor · 78 hp. Reference specifications; pending source verification.

The Caterpillar RD7 is a tractor model with a rated power output of 78 horsepower, placing it in the mid-range for its class. It was manufactured from 1935 to 1940. This tractor is equipped with a 4-cylinder diesel liquid-cooled engine and a tracked undercarriage, paired with a 4-speed gearbox. Its listed operating weight is 9534 kilograms, suitable for operations of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

78 hp

Max power

49.0 kW

Weight

9534 kg

Catalogue coverage

Variants represented

Richest spec table

44 rows

Recorded power

78 hp

Recorded weight

9534 kg

Transmissions

4-speed gear

Production years

1935-1940

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerCaterpillarReference

Agricultural Crawler tractorReference

Built in Peoria, Illinois, USAReference

DrivecrawlerReference

Open operator station.Reference

Engine

Caterpillar 13.6L 4-cyl dieselReference

Drawbar (tested)58.4 kWReference

Belt (tested)71.6 kWReference

CaterpillarReference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement13.6 LReference

Bore/Stroke146 x 203 mmReference

Air cleaneroil bathReference

Rated RPM1000Reference

Belt power (max)50.9 kWReference

Belt power (max)57.8 kWReference

Max power49.0 kWReference

Belt power (max)71.6 kWReference

Max power58.4 kWReference

Transmission

4-speed gearReference

TypegearReference

Gears4 forward and 1 reverseReference

Clutchdry discReference

Dimensions

Weight9534 kgReference

TracksReference

Operating weight9534 kgReference

Gauge152 cmReference

Gauge187 cmReference

Test results

NTTL 253: diesel 4-speed crawlerReference

NTTL 254: diesel 4-speed crawlerReference

NTTL 255: diesel 4-speed crawlerReference

Diesel 4-speed crawlerMay 5 - 15, 1936Reference

Drawbar performanceReference

Max pull6688 kgReference

Gear 1 used for pull test.Reference

Diesel 4-speed crawlerMay 21 - 25, 1936Link: Nebraska Tractor Test 254 fileReference

Belt fuel use (max)20.1 l/hourReference

Gear 2 used for power test.Reference

Max pull7302 kgReference

Diesel 4-speed crawlerMay 21 - 25, 1936Link: Nebraska Tractor Test 255 fileReference

Belt fuel use (max)34.1 l/hourReference

Max pull7612 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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