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McCormick-Deering W-12
 | 1934 - 1938
Standard-tread tractor |
|---|---|
1934 - 1938 | |
Standard-tread tractor | |
1934 - 1938 | |
|---|---|
Standard-tread tractor |
Production | |
|---|---|
Manufacturer | McCormick-Deering (a part of International Harvester) |
Standard-tread tractor | |
Built in Chicago, Illinois, USA | |
Total built | 3,633 |
Variants | |
|---|---|
F-12 | row-crop |
W-12 | standard |
O-12 | orchard |
I-12 | industrial |
McCormick-Deering W-12 Engine | |
|---|---|
International Harvester 1.9L 4-cyl distillate | |
Fuel tank | 11 gal
41.6 L |
Aux. fuel | 0.75 gal
2.8 L |
Engine details ...  | |
McCormick-Deering W-12 Transmission | |
|---|---|
3-speed unsynchronized gear | |
Transmission details ...  |
McCormick-Deering W-12 Power | |
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Drawbar (claimed) | 10 hp
7.5 kW |
Belt (claimed) | 15 hp
11.2 kW |
Plows | 1 |
Drawbar (tested) | 13.52 hp
10.1 kW |
Belt (tested) | 17.65 hp
13.2 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Photos | |
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 | |
McCormick-Deering W-12 photos...  |
Power Take-off (PTO) | |
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Rear PTO Type | 567 |
Dimensions & Tires | |
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Wheelbase | 60 inches
152 cm |
Weight | 2900 lbs
1315 kg |
Front tire | 22.50x3.50 |
Rear tire | 42x8 |
Full dimensions and tires ...  | |
W-12 Serial Numbers | |
|---|---|
1934 | 503 |
1935 | 1356 |
1936 | 2031 |
1937 | 2769 |
1938 | 3799 |
Final | 4133 |
1934 | 512 (I-12) |
1935 | 775 (I-12) |
1936 | 975 (I-12) |
1937 | 1525 (I-12) |
1938 | 2495 (I-12) |
Final | 2703 (I-12) |
FAQ: How to read a serial number table. | |
Belt Pulley | |
|---|---|
Diameter | 13.25 inches
33 cm |
Width | 6.25 inches
15 cm |
RPM | 787 |
Speed | 2730 ft/min
832.10 meters/min |
References | |
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 | |
International Tractors - The Line That Offers You A Choice published in 1933, by International Harvester | |
McCormick-Deering Tractors - Modern Agricultural Power published in 1933, by International Harvester |