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Tractor · 1935Unverified

Caterpillar RD8

Name: Caterpillar RD8
Brand: Caterpillar

Caterpillar RD8 — Agricultural Crawler tractor · 104 hp. Reference specifications; pending source verification.

The Caterpillar RD8 is a tractor model that produced 104 horsepower, a mid-range figure for its class. Manufactured from 1935 to 1936, the RD8 is equipped with a 6-cylinder diesel liquid-cooled engine and a tracked undercarriage paired with a 6-speed gearbox. It has an operating weight of 15,195 kg and is suitable for operations covering 200-800 acres.

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

Rated power

104 hp

Max power

68.4 kW

Weight

15195 kg

Catalogue coverage

Variants represented

Richest spec table

43 rows

Recorded power

104 hp

Recorded weight

15195 kg

Transmissions

6-speed gear

Production years

1935-1936

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 20.4L 6-cyl dieselReference

Drawbar (tested)77.5 kWReference

Belt (tested)88.2 kWReference

Caterpillar D13000Reference

dieselReference

6-cylinderReference

liquid-cooledReference

Displacement20.4 LReference

Bore/Stroke146 x 203 mmReference

Rated RPM1000Reference

Belt power (max)77.0 kWReference

Max power68.4 kWReference

Belt power (max)88.2 kWReference

Max power77.5 kWReference

Transmission

6-speed gearReference

TypegearReference

Gears6 forward and 2 reverseReference

Clutchdry discReference

Dimensions

Weight15195 kgReference

20-inch tracksReference

Gauge198 cmReference

RD8 Serial Numbers

19355E8001Reference

19351H1Reference

19361H247Reference

19371H1497Reference

FAQ: How to read a serial number table.Reference

Caterpillar RD8 Tracks

Width50 cmReference

Test results

NTTL 256: diesel 6-speed crawlerReference

NTTL 257: diesel 6-speed crawlerReference

Diesel 6-speed crawlerMay 7 - 19, 1936Link: Nebraska Tractor Test 256 fileReference

Belt fuel use (max)27.6 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull9291 kgReference

Gear 1 used for pull test.Reference

Diesel 6-speed crawlerMay 19 - 25, 1936Link: Nebraska Tractor Test 257 fileReference

Belt fuel use (max)32.6 l/hourReference

Max pull8979 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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