Farmall
Farmall A
The Farmall A is a row-crop tractor produced from 1939 to 1947 by Farmall, a part of International Harvester. It featured an offset engine known as "Cultivision" and a wide front end. The Farmall A and B were nearly identical, with the B having a centered engine and narrow front end. Variants included the AV for vegetable crops and the AI for industrial use. The tractor was powered by a 1.9L 4-cylinder gasoline or kerosene engine, with a 4-speed gear transmission. It had a drawbar power of about 17.35 hp (claimed) and a belt power of 19.06 hp (claimed). The Farmall A had a weight of 2400 lbs and featured IH Pneumatic Lift-All hitch and a rear PTO with 540 rpm. It was manufactured in Chicago, Illinois and Louisville, Kentucky, with a total production of 117,552 units.
Power21 hp[B]
Founded1939 - 1947
ModelA
Technical Specifications
Detailed specifications and technical data for Farmall A
Power
| Plows | 1 16-inch |
|---|---|
| Belt (tested) | 18.34 hp (13.7 kW) |
| Belt (claimed) | 19.06 hp (14.2 kW) |
| Drawbar (tested) | 16.32 hp (12.2 kW) |
| Drawbar (claimed) | 17.35 hp (12.9 kW) |
Engine
| Starter | manual; electric Optional |
|---|---|
| Idle RPM | 900-1400 |
| Rated RPM | 1400 |
| Bore/Stroke | 3.00x4.00 inches (76 x 102 mm) |
| Compression | 6.0:1 |
| Displacement | 113.1 ci (1.9 L) |
| Firing order | 1-3-4-2 |
| Oil capacity | 5 qts (4.7 L) |
| Starter volts | 6 |
| Engine options | International Harvester 1.9L 4-cyl gasoline; International Harvester 1.9L 4-cyl kerosene |
| Coolant capacity | 13 qts (12.3 L) |
| Oil change interval | 120 h |
| Engine Detail Gasoline | International Harvester C113, gasoline, 4-cylinder, liquid-cooled inline |
Variants
| AI | International industrial |
|---|---|
| AV | Vegetable crop |
Electrical
| Ground | positive |
|---|---|
| Battery volts | 6 |
| Charging system | generator |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical contracting band brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Notes | The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The offset engine was known as "Cultivision". The B had a centered engine, seat offset to the right, and narrow front end. A high-crop AV version was available. |
|---|---|
| Factories | Chicago, Illinois, USA; Louisville, Kentucky, USA |
| Total built | 117,552 |
| Manufacturer | Farmall (a part of International Harvester) |
| Original price | $750 in 1947 |
| Years produced | 1939 - 1947 |
Belt Pulley
| RPM | 1157 |
|---|---|
| Speed | 2574 ft/min (784.56 meters/min) |
| Width | 6 inches (15 cm) |
| Diameter | 8.5 inches (21 cm) |
Transmission
| Type | gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Manufacturer | International Harvester |
Tractor hitch
| Type | IH Pneumatic Lift-All |
|---|
Serial Numbers
| 1939 | FAA501 |
|---|---|
| 1940 | FAA6744 |
| 1941 | FAA41500 |
| 1942 | FAA80739 |
| 1944 | FAA96390 |
| 1945 | FAA113218 |
| 1946 | FAA146700 |
| 1947 Chicago | FAA182964 |
| Final Chicago | FAA198298 |
| 1947 Louisville | FAA200001 |
| Final Louisville | FAA220829 |
Dimensions & Tires
| Width | 76.8 inches (195 cm) |
|---|---|
| Length | 106.3 inches (270 cm) |
| Weight | 2400 lbs (1088 kg) |
| Rear tire | 8-24 |
| Front tire | 4.00-15 |
| Rear tread | 40 to 68 inches (101 to 172 cm) |
| Front tread | 43 inches (109 cm); 44 to 64 inches (111 to 162 cm) |
| Additional tires | 9-24; 10-24; 5-30 |
| Ballasted weight | 3450 lbs (1564 kg) |
| Clearance (rear axle) | 20.875 inches (53 cm) |
| Clearance (front axle) | 21.875 inches (55 cm) |
| Height (steering wheel) | 63.3 inches (160 cm) |
Power Take-off (PTO)
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 540 (1.125) |