Tractor · 1934Unverified
McCormick-Deering W-12
McCormick-Deering W-12 — Standard-tread tractor · 10 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
10 hp
Max power
9.4 kW
Weight
1315 kg
Hover a source tag to verify
Overview
ManufacturerMcCormick-Deering (a part of International Harvester)Reference
Standard-tread tractorReference
Built in Chicago, Illinois, USAReference
Total built3,633Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Variants
F-12row-cropReference
W-12standardReference
O-12orchardReference
I-12industrialReference
Engine
International Harvester 1.9L 4-cyl distillateReference
Fuel tank41.6 LReference
Aux. fuel2.8 LReference
Drawbar (claimed)7.5 kWReference
Belt (claimed)11.2 kWReference
Plows1Reference
Drawbar (tested)10.1 kWReference
Belt (tested)13.2 kWReference
International HarvesterReference
distillateReference
4-cylinderReference
liquid-cooled vertical I-headReference
Displacement1.9 LReference
Bore/Stroke76 x 102 mmReference
Air cleaneroil bathReference
Rated RPM1700Reference
Firing order1-3-4-2Reference
Coolant capacity13.2 LReference
Belt power (max)11.4 kWReference
Max power9.4 kWReference
Belt power (max)13.2 kWReference
Max power10.1 kWReference
Transmission
3-speed unsynchronized gearReference
Typeunsynchronized gearReference
Gears3 forward and 1 reverseReference
Clutchdry discReference
PTO & Hydraulics
Rear PTO Type567Reference
Dimensions
Wheelbase152 cmReference
Weight1315 kgReference
Front tire22.50x3.50Reference
Rear tire42x8Reference
Ag front22.50x3.50 steelReference
Ag rear42x8 steelReference
Length261 cmReference
Width128 cmReference
Height (steering wheel)139 cmReference
Shipping weight1315 kgReference
Front tread103 cmReference
Rear tread107 cmReference
W-12 Serial Numbers
1934503Reference
19351356Reference
19362031Reference
19372769Reference
19383799Reference
Final4133Reference
1934512 (I-12)Reference
1935775 (I-12)Reference
1936975 (I-12)Reference
19371525 (I-12)Reference
19382495 (I-12)Reference
Final2703 (I-12)Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter33 cmReference
Width15 cmReference
RPM787Reference
Speed832.10 meters/minReference
Test results
NTTL 229: kerosene 3-speed 2WDReference
NTTL 231: gasoline 3-speed 2WDReference
Kerosene 3-speed 2WDOctober 23 - November 9, 1934Link: Nebraska Tractor Test 229 fileReference
Belt fuel use (max)5.7 l/hourReference
Drawbar performanceReference
Gear 1 used for power test.Reference
Max pull905 kgReference
Gear 1 used for pull test.Reference
Gasoline 3-speed 2WDNovember 13 - 16, 1934Link: Nebraska Tractor Test 231 fileReference
Belt fuel use (max)6.8 l/hourReference
Max pull970 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.