The Allis Chalmers 7580 is a 4WD four-wheel drive tractor manufactured by Allis Chalmers in West Allis, Wisconsin, USA from 1977 to 1981. The Allis Chalmers 7580 is equipped with a 7.0 L (426.0 cu·in) six-cylinder diesel engine and a partial power shift transmission with 20 forward and 4 reverse gears.
The Allis Chalmers 7580 four-wheel drive tractor used the Allis Chalmers 3750 Mark II engine. It is a 7.0 L, 6,981 cm2, (426.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 208.9 PS (153.6 kW; 206.0 HP) at 2,550 rpm of output power.
The Allis Chalmers 7580 is equipped with hydrostatic power steering, hydraulic wet discs brakes, the Acousta cab, and 643.5 liters (170 US gal.; 141.6 Imp. gal) fuel tank.
Allis Chalmers 7580 Specifications
General Specifications | |
Model | Allis Chalmers 7580 |
Length | 5,710 mm (224.8 in) |
Width | 2,420 mm (95.3 in) |
Height | 3,810 mm (150 in) |
Wheel base | 3,200 mm (126 in) |
Ground clearance | 430 mm (16.9 in) |
Weight | 10,665 kg (23,512 lbs) |
Fuel tank capacity | 643.5 liters (170 US gal.; 141.6 Imp. gal) |
Battery | Four 12V |
Cabin type | Acousta cab |
Engine | |
Engine model | Allis Chalmers 3750 Mark II |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 6 |
Fuel type | Diesel |
Displacement | 7.0 L, 6,981 cm2, (426.0 cu·in) |
Bore and stroke | 108.0 mm X 127.0 mm (4.25 in X 5 in) |
Compression ratio | 16.0:1 |
Horsepower | 208.9 PS (153.6 kW; 206.0 HP) at 2,550 rpm |
Starter | Electric |
Oil capacity: | 23.7 L (25 US. qt, 20.9 Imp. qt.) |
Coolant capacity: | 36.0 L (38 US. qt, 31.7 Imp. qt.) |
Transmission and chassis | |
Chassis | 4×4 articulated 4WD |
Steering type | Hydrostatic power |
Brakes | Hydraulic wet discs |
Transmission model | Power Director |
Transmission type | Partial power shift |
Gears | 20 forward and 4 reverse |
Speed | Forward: 30.4 kmh (18.9 mph) Reverse: 13.7 (8.5 mph) |
Tires | |
Front tires | Ag: 20.8-38 |
Rear tires | Ag: 20.8-38 |
Three-Point Hitch | |
Caterogy | III |
Control type | – |
Lift capacity (at ends) | – |
PTO (Power take-off shaft) | |
Rear PTO type | Independent |
Rear PTO speed | 540 rpm |
Hydraulic system | |
Hydraulic type | Closed center |
Valves | 3 to 4 |
Pump flow | 23.0 gpm (87.1 lpm) |
Total flow | 74.9 gpm (283.5 lpm) |
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.
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