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| info | |
| 1934 - 1938, Standard-tread tractor | |
| Next model: | McCormick-Deering W-14 |
| Production | |
| Manufacturer: | McCormick-Deering (a part of International Harvester) |
| Factory: | Chicago, Illinois, USA |
| Total built: | 3,633 |
| Variants | |
| F-12: | row-crop |
| W-12: | standard |
| O-12: | orchard |
| I-12: | industrial |
| Capacity | |
| Fuel: | 11 gal [41.6 L] |
| Aux. fuel: | 0.75 gal [2.8 L] |
| Power Take-off (PTO) | |
| Rear RPM: | 567 |
| Dimensions & Tires | |
| Wheelbase: | 60 inches [152 cm] |
| Weight: | 2900 lbs [1315 kg] |
| Front tire: | 22.50x3.50 |
| Rear tire: | 42x8 |
| McCormick-Deering W-12 Power | |
| 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] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Cab: | Open operator station. |
| Belt Pulley | |
| Diameter: | 13.25 inches [33 cm] |
| Width: | 6.25 inches [15 cm] |
| RPM: | 787 |
| Speed: | 2730 ft/min [832.10 meters/min] |
| info | |
| Bore/Stroke: | 3.00x4.00 inches [76 x 102 mm] |
| Air cleaner: | oil bath |
| Rated RPM: | 1700 |
| Firing order: | 1-3-4-2 |
| Coolant capacity: | 14 qts [13.2 L] |
| Engine Detail | |
| International Harvester, distillate, 4-cylinder, liquid-cooled vertical I-head, 113.1 ci [1.9 L] |
| info | |
| Next model: | McCormick-Deering W-14 |
| Transmission | |
| Type: | unsynchronized gear |
| Gears: | 3 forward and 1 reverse |
| Clutch: | dry disc |
| info | |
| Next model: | McCormick-Deering W-14 |
| Dimensions | |
| Weight (shipping): | 2900 lbs [1315 kg] |
| Wheelbase: | 60 inches [152 cm] |
| Length: | 103 inches [261 cm] |
| Width: | 50.5 inches [128 cm] |
| Height (steering wheel): | 55 inches [139 cm] |
| Front tread: | 40.75 inches [103 cm] |
| Rear tread: | 42.25 inches [107 cm] |
| McCormick-Deering W-12 Tires | |
| Ag front: | 22.50x3.50 steel |
| Ag rear: | 42x8 steel |