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Tractor · 1938Unverified

Caterpillar D2

Name: Caterpillar D2
Brand: Caterpillar

Caterpillar D2 — Agricultural Crawler tractor · 28 hp. Reference specifications; pending source verification.

The Caterpillar D2 is a tractor with a rating of approximately 28 hp, positioning it at the lower end of its class. It was manufactured from 1938 to 1957, and is equipped with a 4-cylinder diesel liquid-cooled engine. The tractor features a tracked undercarriage, paired with a 5-speed gearbox, and has an operating weight of between 7420 and 8536 pounds. It is suitable for operations covering up to 200 acres.

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

Rated power

28 hp

Max power

18.8 kW

Weight

7420 to 8536 pounds

Catalogue coverage

Variants represented

Richest spec table

65 rows

Recorded power

28 hp

Recorded weight

3365 kg

Transmissions

5-speed gear

Production years

1938-1957

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

Steeringmechanical clutchesReference

Open operator station.Reference

Engine

Caterpillar 3.6L 4-cyl dieselReference

Caterpillar 4.1L 4-cyl dieselReference

Drawbar (tested)27.3 kWReference

Belt (tested)31.2 kWReference

CaterpillarReference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement3.6 LReference

Bore/Stroke95 x 127 mmReference

Rated RPM1525Reference

Torque169.5 NmReference

Torque RPM1050Reference

Displacement4.1 LReference

Bore/Stroke102 x 127 mmReference

Compression18.5:1Reference

Rated RPM1525 (early)Reference

Rated RPM1650 (late)Reference

Starter typegasoline pony motorReference

Belt power (max)22.4 kWReference

Power at rated engine speed20.5 kWReference

Max power18.8 kWReference

Belt power (max)26.9 kWReference

Power at rated engine speed24.5 kWReference

Max power22.6 kWReference

Belt power (max)31.2 kWReference

Power at rated engine speed21.6 kWReference

Max power27.3 kWReference

Transmission

5-speed gearReference

TypegearReference

Gears5 forward and 1 reverseReference

Clutchdry discReference

PTO & Hydraulics

PTO (tested)24.5 kWReference

Dimensions

Weight7420 to 8536 poundsReference

12-inch tracksReference

Length274 cmReference

Height146 cmReference

Weight3365 kgReference

Weight3871 kgReference

Gauge101 cmReference

Gauge127 cmReference

Caterpillar D2 Tracks

Width30 cmReference

Test results

NTTL 322: 251 diesel 5-speed crawlerReference

NTTL 418: 252 diesel 5-speed crawlerReference

NTTL 553: 252 diesel 5-speed crawlerReference

251 diesel 5-speed crawlerJuly 24 - August 4, 1939Link: Nebraska Tractor Test 322 fileReference

PTO performanceReference

Fuel use7.9 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull2677 kgReference

252 diesel 5-speed crawlerJuly 11 - 26, 1949Link: Nebraska Tractor Test 418 fileReference

Fuel use9.1 l/hourReference

Gear 2 used for power test.Reference

Max pull3074 kgReference

Gear 1 used for pull test.Reference

252 diesel 5-speed crawlerJuly 25 - 30, 1955Link: Nebraska Tractor Test 553 fileReference

Fuel use10.2 l/hourReference

Max pull3362 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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