McCormick-Deering W-12 Specs ( 1934-1938 )
Production
| Description | Standard-tread tractor / Built in Chicago, Illinois, USA |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
| Total built | 3,633 |
Engine
| Aux. fuel | 0.75 gal (2.8 L) |
|---|---|
| Engine type | International Harvester 1.9L 4-cyl distillate |
| Fuel tank | 11 gal (41.6 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.00x4.00 inches (76 x 102 mm) |
| Coolant capacity | 14 qts (13.2 L) |
| Description | International Harvester / distillate / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 113.1 ci (1.9 L) |
| Firing order | 1-3-4-2 |
| Rated RPM | 1700 |
| Belt (claimed) | 15 hp (11.2 kW) |
| Belt (tested) | 17.65 hp (13.2 kW) |
| Drawbar (claimed) | 10 hp (7.5 kW) |
| Drawbar (tested) | 13.52 hp (10.1 kW) |
| Plows | 1 |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 3 forward and 1 reverse |
| Transmission type | 3-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
PTO
| Rear PTO Type | 567 |
|---|
Dimensions & Tires
| Front tread | 40.75 inches (103 cm) |
|---|---|
| Height (steering wheel) | 55 inches (139 cm) |
| Length | 103 inches (261 cm) |
| Rear tread | 42.25 inches (107 cm) |
| Shipping weight | 2900 lbs (1315 kg) |
| Wheelbase | 60 inches (152 cm) |
| Width | 50.5 inches (128 cm) |
| Front tire | 22.50x3.50 |
| Rear tire | 42x8 |
| Weight | 2900 lbs (1315 kg) |
| Wheelbase | 60 inches (152 cm) |
| Ag front | 22.50x3.50 steel |
| Ag rear | 42x8 steel |
Belt Pulley
| Diameter | 13.25 inches (33 cm) |
|---|---|
| RPM | 787 |
| Speed | 2730 ft/min (832.10 meters/min) |
| Width | 6.25 inches (15 cm) |
Nebraska Tractor Test 229
| Belt fuel use (max) | 1.5 gal/hour (5.7 l/hour) |
|---|---|
| Belt power (max) | 15.28 hp (11.4 kW) |
| Description | Kerosene 3-speed 2WDOctober 23 - November 9, 1934Link: Nebraska Tractor Test 229 file / Drawbar performance / Gear 1 used for power test. / Gear 1 used for pull test. |
| Max power | 12.56 hp (9.4 kW) |
| Max pull | 1,996 lbs (905 kg) |
Nebraska Tractor Test 231
| Belt fuel use (max) | 1.8 gal/hour (6.8 l/hour) |
|---|---|
| Belt power (max) | 17.65 hp (13.2 kW) |
| Description | Gasoline 3-speed 2WDNovember 13 - 16, 1934Link: Nebraska Tractor Test 231 file / Drawbar performance / Gear 1 used for power test. / Gear 1 used for pull test. |
| Max power | 13.52 hp (10.1 kW) |
| Max pull | 2,140 lbs (970 kg) |
References
| Description | 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 |
|---|
Tractor Tests
| Description | NTTL 229: kerosene 3-speed 2WD / NTTL 231: gasoline 3-speed 2WD |
|---|
Variants
| F-12 | row-crop |
|---|---|
| I-12 | industrial |
| O-12 | orchard |
| W-12 | standard |
W-12 Serial Numbers
| 1934 | 503 / 512 (I-12) |
|---|---|
| 1935 | 1356 / 775 (I-12) |
| 1936 | 2031 / 975 (I-12) |
| 1937 | 2769 / 1525 (I-12) |
| 1938 | 3799 / 2495 (I-12) |
| Description | FAQ: How to read a serial number table. |
| Final | 4133 / 2703 (I-12) |