Introduction
International Harvester Farmall AM-7 Row-Crop Tractor
The International Harvester AM-7 is a row-crop tractor produced between 1957 and 1960 at the Geelong manufacturing facility in Australia. As part of the Farmall lineage, this two-wheel drive machine was designed for mid-range agricultural operations, combining mechanical simplicity with robust construction.
Engine and Performance
The tractor is powered by an International Harvester 4-cylinder diesel engine with a displacement of 264 cubic inches (4.3 liters). It features liquid cooling and a compression ratio of 16.5:1. The engine is rated at 1450 RPM, delivering 54 horsepower. It utilizes a 12-volt starter system for ignition.
Transmission and Hydraulics
Power is delivered through a gear-type transmission providing 5 forward speeds and 1 reverse speed. The hydraulic system operates at a pressure of 800 psi (55.2 bar) with a pump flow rate of 7 gallons per minute (26.5 liters per minute), sufficient for operating standard implements of its era.
Mechanical Specifications and Dimensions
The AM-7 features a rear Type II hitch and a 540 RPM rear PTO. The machine has a wheelbase of 88.5 inches (224 cm) and a total length of 133 inches (337 cm). With a ground clearance of 26.5 inches (67 cm) and an adjustable rear tread width ranging from 52 to 100 inches, it is well-suited for row-crop cultivation. The unit weighs 6801 lbs (3084 kg) and is equipped with 6.00x16 front and 12x38 rear agricultural tires.
Conclusion
The International Harvester AM-7 is a durable, utility-focused tractor characterized by its mechanical reliability and suitability for row-crop farming. Its configuration, featuring an open operator station and standard two-wheel drive, reflects the design priorities of late 1950s agricultural equipment.
Production Information of Farmall, AM-7
- Row-Crop tractor
- Built in Geelong, Australia
| Manufacturer | Farmall (a part of International Harvester) |
|---|
Dimension and Tires Information of Farmall, AM-7
| Wheelbase | 88.5 inches [224 cm] |
|---|---|
| Ground clearance | 26.5 inches [67 cm] |
| Weight | 6801 lbs [3084 kg] |
| Length | 133 inches [337 cm] |
| Rear tread | 52 to 100 inches [132 to 254 cm] |
| Width | 101 inches [256 cm] |
| Ag front | 6.00x16 |
|---|---|
| Ag rear | 12x38 |
Engine Specifications of Farmall, AM-7
- International Harvester
- Liquid-cooled
- Diesel
- 4-cylinder
| Compression | 16.5:1 |
|---|---|
| Displacement | 264 ci [4.3 L] |
| Rated RPM | 1450 |
| Bore/Stroke | 4.00x5.25 inches [102 x 133 mm] |
| Starter volts | 12 |
Transmission Information of Farmall, AM-7
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
Mechanical Specs of Farmall, AM-7
- Two-wheel drive
- Open operator station.
Power Information of Farmall, AM-7
| Rear PTO Type | 540 |
|---|
Hydraulics Specifications of Farmall, AM-7
| Pressure | 800 psi [55.2 bar] |
|---|---|
| Pump flow | 7 gpm [26.5 lpm] |
Three-Point Hitch of Farmall, AM-7
| Rear Type | II |
|---|
Where it sits
With 54 hp[B] HP, the Farmall AM-7 sits just above A-514 (50 HP) in Farmall's range. Its power puts it in the 79th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Farmall AM-7 have?
The Farmall AM-7 delivers 54 hp[B] HP.
What years was the Farmall AM-7 produced?
The Farmall AM-7 was produced in 1957-1960.
What engine does the Farmall AM-7 have?
The Farmall AM-7 is powered by a Diesel, 4-cylinder engine.
What transmission does the Farmall AM-7 use?
The Farmall AM-7 uses a Gear transmission.
How much does the Farmall AM-7 weigh?
The Farmall AM-7 weighs 6801 lbs [3084 kg].
Is the Farmall AM-7 4WD?
The Farmall AM-7 is available in 2WD.