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Tractor · 1934Unverified

McCormick-Deering W-12

Name: McCormick-Deering W-12
Brand: McCormick-Deering

McCormick-Deering W-12 — Standard-tread tractor · 10 hp. Reference specifications; pending source verification.

The McCormick-Deering W-12 is a tractor with an approximate power output of 10 hp, situated at the lower end of its class in terms of power. Produced from 1934 to 1938, it features a 4-cylinder petrol liquid-cooled engine paired with two-wheel drive and a 3-speed gearbox. The tractor's operating weight is specified as 1315 kg, and it is capable of handling operations on areas 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

10 hp

Max power

9.4 kW

Weight

1315 kg

Catalogue coverage

Variants represented

Richest spec table

78 rows

Recorded power

10 hp

Recorded weight

1315 kg

Transmissions

3-speed unsynchronized gear

Production years

1934-1938

Verified variants

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

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.

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