Tractor · 1937Unverified
McCormick-Deering T-40
McCormick-Deering T-40 — Agricultural Crawler tractor · 35 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
35 hp
Max power
31.8 kW
Weight
5792 kg
Hover a source tag to verify
Overview
ManufacturerMcCormick-Deering (a part of International Harvester)Reference
Agricultural Crawler tractorReference
Built in Chicago, Illinois, USAReference
Total built1,313Reference
DrivecrawlerReference
Open operator station.Reference
Engine
International Harvester 4.9L 6-cyl gasolineReference
Fuel tank159.0 LReference
Drawbar (claimed)26.1 kWReference
Belt (claimed)33.6 kWReference
Drawbar (tested)33.0 kWReference
Belt (tested)38.5 kWReference
International HarvesterReference
gasolineReference
6-cylinderReference
liquid-cooledReference
Displacement4.9 LReference
Bore/Stroke95 x 114 mmReference
Rated RPM1750Reference
Coolant capacity45.4 LReference
Belt power (max)36.8 kWReference
Max power31.8 kWReference
Belt power (max)38.5 kWReference
Max power33.0 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
Dimensions
Weight5792 kgReference
TracksReference
Length358 cmReference
Width165 cmReference
Height165 cmReference
T-40 Serial Numbers
Location:Seat, right sideReference
19376652Reference
19387921Reference
19398706Reference
FAQ: How to read a serial number table.Reference
Test results
NTTL 280: distillate 5-speed crawlerReference
NTTL 281: gasoline 5-speed crawlerReference
Distillate 5-speed crawlerApril 7 - 29, 1937Link: Nebraska Tractor Test 280 fileReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull4092 kgReference
Gear 1 used for pull test.Reference
Gasoline 5-speed crawlerMay 4 - 14, 1937Link: Nebraska Tractor Test 281 fileReference
Max pull4333 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.