Farmall A
| | 1939 - 1947 |
| Row-Crop tractor |
|
Series map:
A
21.2hp*
*Estimated engine power for comparison only.
| Production |
| Manufacturer | Farmall (a part of International Harvester)
|
| Row-Crop tractor |
| Factories | Chicago, Illinois, USA
|
| | Louisville, Kentucky, USA
|
| Total built | 117,552
|
| Original price was $750 in 1947 |
| 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. |
| Variants |
| AV | Vegetable crop
|
| AI | International industrial
|
| Farmall A Power |
| Drawbar (claimed) | 17.35 hp
12.9 kW
|
| Belt (claimed) | 19.06 hp
14.2 kW
|
| Plows | 1 *16-inch
|
| Drawbar (tested) | 16.32 hp
12.2 kW
|
| Belt (tested) | 18.34 hp
13.7 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Manual steering |
| Mechanical contracting band brakes |
| Open operator station. |
| Tractor hitch |
| Type | IH Pneumatic Lift-All
|
| Power Take-off (PTO) |
| Rear PTO | transmission
|
| Rear PTO Type | 540 (1.125)
|
| A Serial Number Location |
 |
| Seat support bracket |
| A Serial Numbers |
| 1939 | FAA501
|
| 1940 | FAA6744
|
| 1941 | FAA41500
|
| 1942 | FAA80739
|
| 1944 | FAA96390
|
| 1945 | FAA113218
|
| 1946 | FAA146700
|
| 1947 | FAA182964 (Chicago)
|
| Final | FAA198298 (Chicago)
|
| 1947 | FAA200001 (Louisville)
|
| Final | FAA220829 (Louisville)
|
FAQ: How to read a serial number table.
|
| Belt Pulley |
| Diameter | 8.5 inches
21 cm
|
| Width | 6 inches
15 cm
|
| RPM | 1157
|
| Speed | 2574 ft/min
784.56 meters/min
|
| Electrical |
| Ground | positive
|
| Charging system | generator
|
| Battery volts | 6
|
| References |
 |
| Farmall Letter Series Tractors by Lee Klancher |
| The Farmall System of Farming published in 1946, by International Harvester |
| Page information |
 |
| Copyright 2025 TractorData.com® |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. |
| Peter Easterlund - owner/author |
| Email: Peter@TractorData.com |
| Updated on April 25, 2025 |
©2000-2025 - TractorData.com®. Notice: Every attempt is made to ensure the data listed
is accurate. However, differences between sources, incomplete listings,
errors, and data entry mistakes do occur.
Consult official
literature from the manufacturer before attempting any service or repair.
Engine details ...
Transmission details ...
Farmall A photos...
Full dimensions and tires ...