International Harvester Farmall Specs ( 1924-1932 )
Overview
The International Harvester Farmall is a 3.6L four-cylinder gasoline row-crop tractor produced from 1924 to 1932 in Chicago, Illinois. The model features a three-speed transmission and was tested at 20.05 hp for belt work and 13.27 hp for drawbar pull. It is equipped with manual steering that includes automatic engagement of turning brakes and an open operator's seat.
Ideal Applications
Tested Performance Data:
Nebraska Tractor Test 117 documented a maximum drawbar pull of 2,727 lbs and a fuel consumption rate of 2.1 gallons per hour at maximum belt power.
Stationary Power Configuration:
The tractor is equipped with a 14-inch diameter belt pulley rotating at 693 RPM and a transmission-driven rear PTO rated at 535 RPM.
Mechanical and Wheel Variants:
The 4,000-lb unit was produced with steel wheels for agricultural use or optional wide steel fairway wheels for turf applications.
Production
| Description | Row-Crop tractor / Originally named simply the "Farmall", this original model later became unofficially known as the "Regular" after the improved Farmall F-20 was introduced. The Farmall was the first successful row-crop tractor design and its design dominated North American tractors for the following fifty years. |
|---|---|
| Factories | Chicago, Illinois, USA |
| Manufacturer | International Harvester |
| Total built | 134,650 |
Engine
| Aux. fuel | 0.86 gal (3.3 L) |
|---|---|
| Engine type | International Harvester 3.6L 4-cyl gasoline |
| Fuel tank | 13 gal (49.2 L) |
| Air cleaner | oil bath and fiber |
| Bore/Stroke | 3.75x5.00 inches (95 x 127 mm) |
| Coolant capacity | 36 qts (34.1 L) |
| Description | International Harvester / gasoline / 4-cylinder / liquid-cooled vertical |
| Displacement | 220.9 ci (3.6 L) |
| Rated RPM | 1200 |
| Starter type | hand crank |
| Belt (tested) | 20.05 hp (15.0 kW) |
| Drawbar (tested) | 13.27 hp (9.9 kW) |
| Plows | 2 |
Transmission
| Gears | 3 forward and 1 reverse |
|---|---|
| Transmission type | 3-speed |
Mechanical
| Description | Open operator's seat |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual with automatic engagement of turning brakes |
PTO
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 535 |
Dimensions & Tires
| Height | 67 inches (170 cm) |
|---|---|
| Length | 136 inches (345 cm) |
| Weight | 4,000 lbs (1814 kg) |
| Width | 86 inches (218 cm) |
| Front tire | 25x4 |
| Rear tire | 40x6 |
| Weight | 4,000 lbs (1814 kg) |
| Ag front | 25x4 steel |
| Ag rear | 40x6 steel |
| Lawn/turf front | 25x8 steel (Fairway) |
| Lawn/turf rear | 40x16 steel (Fairway) |
Belt Pulley
| Diameter | 14 inches (35 cm) |
|---|---|
| RPM | 693 |
| Width | 6.5 inches (16 cm) |
Farmall Serial Numbers
| 1924 | 501 |
|---|---|
| 1925 | 701 |
| 1926 | 1539 |
| 1927 | 5969 |
| 1928 | 15471 |
| 1929 | 40370 |
| 1930 | 75691 |
| 1931 | 117784 |
| 1932 | 131872 |
| Description | FAQ: How to read a serial number table. |
| Final | 134952 |
| Location: | Tractor tool box. |
Nebraska Tractor Test 117
| Belt fuel use (max) | 2.1 gal/hour (7.9 l/hour) |
|---|---|
| Belt power (max) | 20.05 hp (15.0 kW) |
| Description | Gasoline 3-speed 2WDSeptember 14 - 19, 1925Link: Nebraska Tractor Test 117 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 13.27 hp (9.9 kW) |
| Max pull | 2,727 lbs (1236 kg) |
References
| Description | Will A Tractor Pay On Your Farm? published in 1930, by International Harvester |
|---|
Variants
| Fairway | wide steel wheels for turf |
|---|
Nebraska Tractor Test Results
Test #492
Test Date:
April 27 to May 13, 1953
Location:
University of Nebraska - Lincoln
This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
No PTO performance data available.