McCormick-Deering AW-7 Specs ( 1957-1960 )
Production
| Description | Standard-tread tractor / Built in Geelong, Australia |
|---|---|
| Manufacturer | McCormick-Deering (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 | 16.5:1 |
| Description | International Harvester AD-264 / diesel / 4-cylinder / liquid-cooled / The AW-7 diesel engine used an electric glow-blub pre-heat system. / International Harvester AC-264 / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 264 ci (4.3 L) / 264 ci (4.3 L) |
| Rated RPM | 1450 |
| Starter | electric |
| Starter volts | 12 / 6 |
| Engine type | International Harvester 4.3L 4-cyl diesel / International Harvester 4.3L 4-cyl kerosene |
| Engine type | International Harvester 4.3L 4-cyl diesel / International Harvester 4.3L 4-cyl kerosene |
| Belt (claimed) | 48.8 hp (36.4 kW) |
| Drawbar (claimed) | 44.6 hp (33.3 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 |
| Steering | power assisted, enclosed worm and gear |
Hydraulics
| Pressure | 1200 psi (82.7 bar) |
|---|---|
| Pump flow | 10 gpm (37.9 lpm) |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO Type | 540 (1375) |
|---|
Dimensions & Tires
| Diesel Weight | 8540 lbs (3873 kg) |
|---|---|
| Kerosene Weight | 7735 lbs (3508 kg) |
| Length | 125 inches (317 cm) |
| Wheelbase | 76.5 inches (194 cm) |
| Width | 78.75 inches (200 cm) |
| Front tire | 7.50x16 |
| Rear tire | 14.00x30 |
| Weight | 7735 to 8540 pounds |
| Wheelbase | 76.5 inches (194 cm) |
| Ag front | 7.50x16 |
| Ag rear | 14.00x30 |
AW-7 Serial Numbers
| 1957 | 8901 (kerosene) / 1067 (diesel) |
|---|---|
| 1957-Final | 8966 (kerosene) |
| 1958 | 706 (kerosene) |
| 1958-Final | 1604 (diesel) |
| 1959 | 1633 (kerosene) |
| 1960 | 2975 (kerosene) |
| Description | FAQ: How to read a serial number table. |
| Final | 4941 (kerosene) |
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. |
|---|
Variants
| AM-7 | row-crop |
|---|---|
| AWD-7 | diesel engine |