Allis Chalmers 7580

Allis Chalmers 7580 Technical Specifications

Allis Chalmers 7580 is a Row-Crop tractor that was produced by the John Deere between 1976 – 1981.

Below you will find detailed technical specifications for Allis Chalmers 7580 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Allis Chalmers 7580 Production

Manufacturer: Allis Chalmers
Type: Four-wheel Drive (4WD) tractor
Factory: West Allis, Wisconsin, USA
Total built: 1610
Original price: $63,084

Allis Chalmers 7580 Power

Drawbar (claimed): 153 hp
114.1 kW
PTO (claimed): 186 hp
138.7 kW
Drawbar (tested): 153.70 hp
114.6 kW
PTO (tested): 186.35 hp
139.0 kW

Allis Chalmers 7580 Electrical

Charging system: alternator
Batteries: 4
Battery volts: 12

Allis Chalmers 7580 Mechanical

Chassis: 4×4 articulated 4WD
Steering: hydrostatic power
Brakes: hydraulic wet discs
Cab: Acousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player.
Transmission: 20-speed partial power shift


Type: closed center
Valves: 3 to 4
Pump flow: 23 gpm
87.1 lpm
Total flow: 74.9 gpm
283.5 lpm

Tracktor Hitch

Rear Type: III

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 1000

Title serial numbers

Location: Front frame, rear left side
1976: 1001
1977: 1288
1978: 1605
1979: 2218
1980: 2486
1981: 2717
Final: 3018

how to read serial numbers…

What year is my Allis Chalmers 7580? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

Allis Chalmers 7580 Engine detail

Engine Detail
Allis Chalmers 3750 Mark II
turbocharged intercooled diesel
liquid-cooled inline
Displacement: 426 ci
7.0 L
Bore/Stroke: 4.25×5.00 inches
108 x 127 mm
Air cleaner: dry
Compression: 16:1
Rated RPM: 2550
Idle RPM: 775-2750
Firing order: 1-5-3-6-2-4
Starter volts: 12
Oil capacity: 25 qts
23.7 L
Coolant capacity: 38 qts
36.0 L

Allis Chalmers 7580 Transmission overview

Engine Oil

Transmission: Power Director
Type: partial power shift
Gears: 20 forward and 4 reverse

Allis Chalmers 7580 Dimensions

Wheelbase: 126 inches
320 cm
Length: 225 inches
571 cm
Width: 95.5 inches
242 cm
  119.5 inches
303 cm (long axle)
Height (hood): 85.3 inches
216 cm
Height (exhaust): 150 inches
381 cm
Ground clearance: 17 inches
43 cm
Front tread: 62 to 123 inches
157 to 312 cm
Rear tread: 62 to 123 inches
157 to 312 cm

Allis Chalmers 7580 Weight
Shipping: 23,100 lbs
10478 kg
Operating: 23,510 lbs
10664 kg
Ballasted: 25,000 lbs
11340 kg

Allis Chalmers 7580 Tests

Nebraska Tractor Test 1229

Nebraska Tractor Test 1229
Diesel 20-speed 4WD
October 26 – November 8, 1976
Link: Nebraska Tractor Test 1229 file
PTO performance
Power at rated engine speed: 186.35 hp
139.0 kW
Fuel use: 12.6 gal/hour
47.7 l/hour
Drawbar performance
Max power: 153.70 hp
114.6 kW
Fuel use: 12.6 gal/hour
47.7 l/hour
Gear 4SL used for power test.
Max pull: 23,310 lbs
10573 kg
Gear 1SH used for pull test.


Is Allis Chalmers 7580 a good tractor?

The Allis Chalmers 7580 is one of the great tractors in the Allis Chalmers stable, and it has earned Allis Chalmers a fantastic reputation.

How much oil does a Allis Chalmers 7580 take?

Check out the Allis Chalmers 7580 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Allis Chalmers made the 7580?

The Allis Chalmers 7580 was an agricultural tractor model made from 1976 – 1981

Where is the serial number on a Allis Chalmers 7580?

Lookup front frame, rear left side

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