Allis Chalmers 7580

Allis Chalmers 7580The 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)