Overview
The Farmall AM-7 is a row-crop tractor produced from 1957 to 1960 at the International Harvester Geelong Works in Australia. It features a 264 cubic inch, 4-cylinder engine available in both kerosene and diesel variants, coupled with a 5-speed gear transmission. The tractor is configured with a 6,801-pound weight, an 88.5-inch wheelbase, and a Category II rear hitch.
Ideal Applications
Engine Performance Ratings:
The 4.3L diesel engine is listed with a claimed 48.8 hp belt and 44.6 hp drawbar, while the kerosene engine is rated at 41 hp belt and 36.7 hp drawbar.
Row-Crop Dimensions and Adjustability:
The chassis features a rear tread width adjustable from 52 to 100 inches and provides a ground clearance of 26.5 inches.
Auxiliary Power and Hydraulics:
The unit is equipped with an 11-inch diameter belt pulley operating at 899 RPM, a 540 RPM rear PTO, and a hydraulic system providing 7 gpm at 800 psi.
Production
| Description | Row-Crop tractor / Built in Geelong, Australia |
|---|---|
| Manufacturer | Farmall (a part of International Harvester) |
Engine
| Bore/Stroke | 4.00x5.25 inches (102 x 133 mm) / 4.00x5.25 inches (102 x 133 mm) |
|---|---|
| Compression | 5.07:1 / 16.5:1 |
| Description | International Harvester / kerosene / 4-cylinder / liquid-cooled / International Harvester / diesel / 4-cylinder / liquid-cooled |
| Displacement | 264 ci (4.3 L) / 264 ci (4.3 L) |
| Rated RPM | 1450 / 1450 |
| Starter volts | 6 / 12 |
| Engine type | International Harvester 4.3L 4-cyl kerosene / International Harvester 4.3L 4-cyl diesel |
| Engine type | International Harvester 4.3L 4-cyl kerosene / International Harvester 4.3L 4-cyl diesel |
| Diesel Belt (claimed) | 48.8 hp (36.4 kW) |
| Diesel Drawbar (claimed) | 44.6 hp (33.3 kW) |
| Kerosene Belt (claimed) | 41 hp (30.6 kW) |
| Kerosene Drawbar (claimed) | 36.7 hp (27.4 kW) |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
Hydraulics
| Pressure | 800 psi (55.2 bar) |
|---|---|
| Pump flow | 7 gpm (26.5 lpm) |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO Type | 540 |
|---|
Dimensions & Tires
| Ground clearance | 26.5 inches (67 cm) |
|---|---|
| Length | 133 inches (337 cm) |
| Rear tread | 52 to 100 inches (132 to 254 cm) |
| Weight | 6801 lbs (3084 kg) |
| Wheelbase | 88.5 inches (224 cm) |
| Width | 101 inches (256 cm) |
| Front tire | 6.00x16 |
| Rear tire | 12x38 |
| Weight | 6801 lbs (3084 kg) |
| Wheelbase | 88.5 inches (224 cm) |
| Ag front | 6.00x16 |
| Ag rear | 12x38 |
AM-7 Serial Numbers
| 1957 | 972 (kerosene) / 1067 (diesel) |
|---|---|
| 1958 | 1673 (kerosene) / 1675 (diesel) |
| 1959 | 3035 (kerosene) / 2901 (diesel) |
| Description | FAQ: How to read a serial number table. |
| Final | 4168 (kerosene) / 4939 (diesel) |
Belt Pulley
| Diameter | 11 inches (27 cm) |
|---|---|
| RPM | 899 |
| Width | 7.5 inches (19 cm) |
References
| Description | International Harvester Australia: Geelong Works by Sarah Tomac* / International Harvester Tractors & Equipment in Australia & New Zealand by Graeme Quick / *Publication contains known errors. |
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Variants
| AW-7 | standard-tread |
|---|