Tractor · 1937Unverified
Cletrac DD
Cletrac DD — Agricultural Crawler tractor · 45 hp. Reference specifications; pending source verification.
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
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.