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| info | |
| The W-40 was originally sold as the WA-40 with the gas engine and the WK-40 with the kerosene engine. Paint color changed from grey to red on November 1, 1936. |
| Production | |
| Manufacturer: | International Harvester |
| Capacity | |
| Fuel: | 31 gal [117.3 L] |
| Aux. fuel: | 1.25 gal [4.7 L] |
| Dimensions & Tires | |
| Wheelbase: | 85 inches [215 cm] |
| Weight: | 6,100 lbs [2766 kg] |
| Front tire: | 34x6 |
| Rear tire: | 50x12 |
| McCormick-Deering W-40 Power | |
| Drawbar (claimed): | 28 hp [20.9 kW] |
| Belt (claimed): | 45 hp [33.6 kW] |
| Drawbar (tested): | 35.22 hp [26.3 kW] |
| Belt (tested): | 49.76 hp [37.1 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Cab: | Open operator statio. |
| info | |
| Bore/Stroke: | 3.75x4.50 inches [95 x 114 mm] |
| Rated RPM: | 1750 |
| Coolant capacity: | 48 qts [45.4 L] |
| Engine Detail | |
| International Harvester, gasoline, 6-cylinder, liquid-cooled vertical I-head, 298.2 ci [4.9 L] |
| Transmission | |
| Type: | unsynchronized gear |
| Gears: | 3 forward and 1 reverse |
| Dimensions | |
| Weight: | 6,100 lbs [2766 kg] |
| Wheelbase: | 85 inches [215 cm] |
| Length: | 141.5 inches [359 cm] |
| Width: | 65.5 inches [166 cm] |
| Height: | 67 inches [170 cm] |
| Front tread: | 52.25 inches [132 cm] |
| Rear tread: | 53 inches [134 cm] |
| McCormick-Deering W-40 Tires | |
| Ag front: | 34x6 steel |
| Ag rear: | 50x12 steel |