The McCormick-Deering W9 is a 2WD standard-tread tractor from the series. This tractor was manufactured by McCormick-Deering (a part of International Harvester) in Milwaukee, Wisconsin, USA and Melrose Park, Illinois, USA from 1940 to 1953.
The McCormick-Deering W9 is equipped with one of two engines: a 5.5 L (334.5 cu·in) four-cylinder gasoline engine or a 5.5 L (334.5 cu·in) four-cylinder gasoline engine and a sliding gear transmission with 5 forward and 1 reverse gears.
The tractor could be equipped with the following engines:
- International Harvester. It is a 5.5 L, 5,482 cm2, (334.5 cu·in) four-cylinder natural aspirated gasoline engine with 112.0 mm (4.41 in) of the cylinder bore and 140.0 mm (5.51 in) of the piston stroke. The compression ratio rating is 5.4:1.
- International Harvester. It is a 5.5 L, 5,482 cm2, (334.5 cu·in) four-cylinder natural aspirated distillate engine. The cylinder bore is 112.0 mm (4.41 in) and the piston stroke is 140.0 mm (5.51 in).
The McCormick-Deering W9 is equipped with manual worm-type gear steering, differential external contracting band brakes, open operator station and 136.3 liters (36 US gal.; 30 Imp. gal) fuel tank.
McCormick-Deering W9 Specifications
| General Specifications | |
| Model | McCormick-Deering W9 |
| Length | 3,400 mm (133.9 in) |
| Width | 1,730 mm (68.1 in) |
| Height | 1,670 mm (65.7 in) |
| Wheel base | – |
| Weight (operating) | 2,880 kg (6,349 lbs) |
| Fuel tank capacity | 136.3 liters (36 US gal.; 30 Imp. gal) |
| Battery | – |
| Cabin type | Open operator station |
| Engine | |
| Engine model | International Harvester |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 5.5 L, 5,482 cm2, (334.5 cu·in) |
| Bore and stroke | 112.0 mm X 140.0 mm (4.41 in X 5.51 in) |
| Compression ratio | 5.4:1 |
| Horsepower | – |
| Starter | Electric |
| Coolant capacity: | 41.6 L (44 US. qt, 36.6 Imp. qt.) |
| Engine | |
| Engine model | International Harvester |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Distillate |
| Displacement | 5.5 L, 5,482 cm2, (334.5 cu·in) |
| Bore and stroke | 112.0 mm X 140.0 mm (4.41 in X 5.51 in) |
| Horsepower | – |
| Starter | Electric |
| Coolant capacity: | 37.9 L (40 US. qt, 33.3 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual worm-type gear |
| Brakes | Differential external contracting band |
| Transmission model | – |
| Transmission type | Sliding gear |
| Gears | 5 forward and 1 reverse |
| Speed | Forward: 24.9 kmh (15.5 mph) Reverse: 4.4 kmh (2.7 mph) |
| Tires | |
| Front tires | Ag: 7.50-18, 30×6 (steel) |
| Rear tires | Ag: 14-34, 15-34, 48×12 (steel) |

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