The Allis Chalmers 7580 tractor is powered by a Allis Chalmers 7.0L 6-cyl diesel engine that provides of horsepower and torque. It has a 4x4 articulated 4WD drive configuration and a partial power shift transmission.

Engine

The engine is a 6-cylinder liquid-cooled inline Allis Chalmers 3750 Mark II turbocharged intercooled diesel. It has a displacement of 426ci / 7.0L and a bore/stroke of 4.25x5.00inches / 108x 127mm. The air cleaner is dry and the compression ratio is 16:1. The engine is rated at 2550 rpm and has an idle rpm range of 775-2750. The firing order is 1-5-3-6-2-4.


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Transmission

The transmission is a partial power shift type with 20 forward and 4 reverse gears. The drawbar (claimed) is 153hp / 114.1kW and the PTO (claimed) is 186hp / 138.7kW. The drawbar (tested) is 153.70hp / 114.6kW and the PTO (tested) is 186.35hp / 139.0kW.

Brakes

The brakes are hydraulic wet discs. The engine is a 6-cylinder liquid-cooled inline Allis Chalmers 3750 Mark II turbocharged intercooled diesel. It has a displacement of 426ci / 7.0L and a bore/stroke of 4.25x5.00inches / 108x 127mm. The air cleaner is dry and the compression ratio is 16:1. The engine is rated at 2550 rpm and has an idle rpm range of 775-2750. The firing order is 1-5-3-6-2-4. The starter volts are 12 and the oil capacity is 25qts / 23.7L. The coolant capacity is 38qts / 36.0L.



Steering

The steering is hydrostatic power. The fuel tank has a capacity of 170gal / 643.5L. The engine is a 6-cylinder liquid-cooled inline Allis Chalmers 3750 Mark II turbocharged intercooled diesel. It has a displacement of 426ci / 7.0L and a bore/stroke of 4.25x5.00inches / 108x 127mm. The air cleaner is dry and the compression ratio is 16:1. The engine is rated at 2550 rpm and has an idle rpm range of 775-2750. The firing order is 1-5-3-6-2-4.


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Common Problems

Users have reported issues with the cab's air conditioning system, which can malfunction and require costly repairs. The hydraulic system has also been known to leak, causing a loss of power to the tractor's implements. Some users have reported problems with the transmission, including difficulty shifting gears and slipping. The brakes have been known to wear out quickly and require frequent replacement. Finally, some users have reported issues with the engine overheating, which can cause damage to the tractor's components.

What Users Like

Users appreciate the Allis Chalmers 7580's large fuel tank, which allows for extended periods of use without refueling. The tractor's hydrostatic power steering system is also a popular feature, as it provides precise control and reduces operator fatigue. The large tires, including the 23.1x30 ag front and 23.1x30 / 24.5x32 / 30.5x32 / 20.8x34 / 18.4x38 ag rear, provide excellent traction and stability on a variety of terrains. The Acousta cab, which comes standard with heat and air-conditioning, is also a popular feature among users, as it provides a comfortable and quiet working environment. Finally, users appreciate the tractor's powerful engine, which provides ample power for a variety of tasks.

Allis Chalmers 7580 Technical Specifications

Power

Drawbar (claimed)153hp / 114.1kW
Pto (claimed)186hp / 138.7kW
Drawbar (tested)153.70hp / 114.6kW
Pto (tested)186.35hp / 139.0kW

Engine Detail

DescriptionAllis Chalmers 3750 Mark II turbocharged intercooled diesel 6-cylinder liquid-cooled inline
Displacement426ci / 7.0L
Bore/stroke4.25x5.00inches / 108x 127mm
Air Cleanerdry
Compression16:1
Rated Rpm2550
Idle Rpm775-2750
Firing Order1-5-3-6-2-4
Starter Volts12
Oil Capacity25qts / 23.7L
Coolant Capacity38qts / 36.0L

Engine

DescriptionAllis Chalmers 7.0L 6-cyl diesel
Fuel Tank170gal / 643.5L

Transmission

TransmissionPower Director
Typepartial power shift
Gears20 forward and 4 reverse

Mechanical

Chassis4x4 articulated 4WD
Steeringhydrostatic power
Brakeshydraulic wet discs
CabAcousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player
Transmission20-speed partial power shift

Tires

Ag Front23.1x30
Ag Rear23.1x30 / 24.5x32 / 30.5x32 / 20.8x34 / 18.4x38

Dimensions

Wheelbase126inches / 320cm
Length225inches / 571cm
Width95.5inches / 242cm 119.5inches / 303cm (long axle)
Height (hood)85.3inches / 216cm
Height (exhaust)150inches / 381cm
Ground Clearance17inches / 43cm
Front Tread62 to 123inches / 157to 312cm
Rear Tread62 to 123inches / 157to 312cm

Dimensions And Tires

Wheelbase126inches / 320cm
Weight23100 to 23510 pounds
Front Tire20.8x38
Rear Tire20.8x38

Serial Numbers

LocationFront frame, rear left side
19761001
19771288
19781605
19792218
19802486
19812717
Final3018

Hydraulics

Typeclosed center
Valves3 to 4
Pump Flow23gpm / 87.1lpm
Total Flow74.9gpm / 283.5lpm

Tractor Hitch

Rear TypeIII

Electrical

Charging Systemalternator
Batteries4
Battery Volts12

Speeds

DescriptionWith 20.8x38 rear tires

Power Take Off Pto

Rear Ptoindependent
Rear Rpm1000

Weight

Shipping23,100lbs / 10478kg
Operating23,510lbs / 10664kg
Ballasted25,000lbs / 11340kg

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Other Allis Chalmers tractors:

Allis Chalmers 10-18, Allis Chalmers 160, Allis Chalmers 170, Allis Chalmers 175, Allis Chalmers 18-30, Allis Chalmers 180, Allis Chalmers 185, Allis Chalmers 190, Allis Chalmers 190XT, Allis Chalmers 20-35, Allis Chalmers 200, Allis Chalmers 210, Allis Chalmers 220, Allis Chalmers 25-40, Allis Chalmers 440, Allis Chalmers 4W-220, Allis Chalmers 4W-305, Allis Chalmers 5020, Allis Chalmers 5030, Allis Chalmers 5040, Allis Chalmers 5045, Allis Chalmers 5050, Allis Chalmers 6-12, Allis Chalmers 6040, Allis Chalmers 6060, Allis Chalmers 6070, Allis Chalmers 6080, Allis Chalmers 6140, Allis Chalmers 616, Allis Chalmers 620, Allis Chalmers 7000, Allis Chalmers 7010, Allis Chalmers 7020, Allis Chalmers 7030, Allis Chalmers 7040, Allis Chalmers 7045, Allis Chalmers 7050, Allis Chalmers 7060, Allis Chalmers 7080, Allis Chalmers 720, Allis Chalmers 7580, Allis Chalmers 8010, Allis Chalmers 8030, Allis Chalmers 8050, Allis Chalmers 8070, Allis Chalmers A, Allis Chalmers B, Allis Chalmers C, Allis Chalmers CA, Allis Chalmers D10, Allis Chalmers D12, Allis Chalmers D14, Allis Chalmers D15, Allis Chalmers D19, Allis Chalmers D270, Allis Chalmers E 30-60, Allis Chalmers FD3, Allis Chalmers FD5, Allis Chalmers G, Allis Chalmers HD11, Allis Chalmers HD16A, Allis Chalmers HD20, Allis Chalmers HD3, Allis Chalmers HD6, Allis Chalmers HD9, Allis Chalmers T16, Allis Chalmers UC, Allis Chalmers WF,