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Tractor · 1937Unverified

Cletrac DD

Name: Cletrac DD
Brand: Cletrac

Cletrac DD — Agricultural Crawler tractor · 45 hp. Reference specifications; pending source verification.

The Cletrac DD is a compact tractor model with a rated output of 45 hp, produced from 1937 to 1958. It features a 6-cylinder diesel liquid-cooled engine, coupled with a 4-speed gearbox and a tracked undercarriage. The listed weight of the Cletrac DD is 6032 kg, and it is intended for use on plots 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

45 hp

Max power

43.9 kW

Weight

6032 kg

Catalogue coverage

Variants represented

Richest spec table

64 rows

Recorded power

45 hp

Recorded weight

6032 kg

Transmissions

4-speed gear

Production years

1937-1958

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerCletrac (a part of Oliver)Reference

Agricultural Crawler tractorReference

Built in Cleveland, Ohio, USAReference

Total built5,624Reference

DrivecrawlerReference

Open operator station.Reference

Variants

DGgasolineReference

DDdieselReference

Engine

Hercules 7.8L 6-cyl dieselReference

Fuel tank113.6 LReference

Drawbar (claimed)33.6 kWReference

Belt (claimed)47.0 kWReference

Drawbar (tested)43.9 kWReference

Belt (tested)54.7 kWReference

Hercules DRXBReference

dieselReference

6-cylinderReference

liquid-cooled vertical I-headReference

Displacement7.8 LReference

Bore/Stroke111 x 133 mmReference

Air cleanerVortox oil bathReference

Compression15:1Reference

Rated RPM1300Reference

Starter volts24Reference

Coolant capacity38.8 LReference

Belt power (max)54.7 kWReference

Max power43.9 kWReference

Transmission

4-speed gearReference

TypegearReference

Gears4 forward and 2 reverseReference

Clutchdry discReference

Dimensions

Weight6032 kgReference

TracksReference

Length325 cmReference

Height170 cmReference

DD Serial Numbers

19371L3000Reference

19381L3736Reference

19391L4220Reference

19401L5222Reference

19411L5644Reference

19421L6332Reference

19431L6560Reference

19441L6820Reference

19451L7422Reference

19461L8012Reference

19472L0194Reference

1948------Reference

19492L2142Reference

19502L3528Reference

19512L4080Reference

19522L5046Reference

19533500000Reference

19544500000Reference

19553L226Reference

19563L404Reference

19573L498Reference

19583L596Reference

FAQ: How to read a serial number table.Reference

Test results

Diesel 4-speed crawlerNovember 8 - 22, 1949Link: Nebraska Tractor Test 436 fileReference

Belt fuel use (max)17.8 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull6683 kgReference

Gear 1 used for pull test.Reference

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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