The Farmall M is a 2WD row-crop tractor manufactured by the Farmall (a part of International Harvester) in Rock Island, Illinois, USA from 1939 to 1954. The Farmall M is equipped with 4.1 L four-cylinder gasoline or distillate engine and sliding gear transmission with 5 forward and 1 reverse gear.
The Farmall M row-crop tractor is equipped with manual steering, mechanical contracting band brakes, open operator station and 79.5 liters (21 US gal.; 17.5 Imp. gal) fuel tank.
The tractor could be equipped with the following engines:
- International Harvester. It is a 4.1 L, 4,059 cm2, (247.7 cu·in) four-cylinder natural aspirated distillate engine with 98.0 mm (3.86 in) of the cylinder bore and 133.0 mm (5.24 in) of the piston stroke. The compression ratio rating is 4.75:1 or 4.5:1.
- International Harvester C248. It is a 4.1 L, 4,059 cm2, (247.7 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 98.0 mm (3.86 in) and the piston stroke is 133.0 mm (5.24 in). The compression ratio rating is 5.65:1.
Farmall M Specifications
General Specifications | |
Model | Farmall M |
Length | 3,370 mm (132.7 in) |
Width | 2,130 mm (83.9 in) |
Height | 1,980 mm (78 in) |
Wheel base | – |
Weight | 3,070 kg (6,768 lbs) |
Fuel tank capacity | 79.5 liters (21 US gal.; 17.5 Imp. gal) |
Battery | 6V |
Cabin type | Open operator station |
Engine | |
Engine model | International Harvester |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 4 |
Fuel type | Distillate or kerosene |
Displacement | 4.1 L, 4,059 cm2, (247.7 cu·in) |
Bore and stroke | 98.0 mm X 133.0 mm (3.86 in X 5.24 in) |
Compression ratio | 4.75:1 or 4.5:1 |
Horsepower | – |
Oil capacity: | 7.6 L (8.0 US. qt, 6.7 Imp. qt.) |
Coolant capacity: | 22.7 L (24.0 US. qt, 20.0 Imp. qt.) |
Spark plug gap | 0.635 mm (0.025 in) |
Engine | |
Engine model | International Harvester C248 |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 4 |
Fuel type | Gasoline |
Displacement | 4.1 L, 4,059 cm2, (247.7 cu·in) |
Bore and stroke | 98.0 mm X 133.0 mm (3.86 in X 5.24 in) |
Compression ratio | 5.65:1 |
Horsepower | – |
Oil capacity: | 7.6 L (8.0 US. qt, 6.7 Imp. qt.) |
Coolant capacity: | 22.7 L (24.0 US. qt, 20.0 Imp. qt.) |
Transmission and chassis | |
Chassis | 4×2 2WD |
Steering type | Manual |
Brakes | Mechanical contracting band |
Transmission model | – |
Transmission type | Sliding gear |
Gears | 5 forward and 1 reverse |
Speed | Forward: 26.3 kmh (16.3 mph) Reverse: 5.0 (3.1 mph) |
Tires | |
Front tires | Ag: 6.00-16, 22.50×4 (steel) |
Rear tires | Ag: 11-38, 51×8 (steel), 10-38, 12-38, 11.25-36 |
PTO (Power take-off shaft) | |
Rear PTO type | – |
Rear PTO spped | 540 rpm |
Hydraulic system | |
Pressure |
Early: 500 psi (34.5 bar) Later: 800 psi (55.2 bar) |