Allis Chalmers 7580 tractor specifications

1976 - 1981

1976 - 1981 Four-wheel Drive (4WD) tractor

Production

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

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
power test details ...

1976 - 1981

Four-wheel Drive (4WD) tractor

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.

Allis Chalmers 7580 Engine

Allis Chalmers 7580 Engine Allis Chalmers 7.0L 6-cyl diesel Fuel tank:170 gal
643.5 L
Engine details ...

1976 - 1981

Four-wheel Drive (4WD) tractor

Engine Detail

Engine Detail
Allis Chalmers 3750 Mark II
turbocharged intercooled diesel
6-cylinder
liquid-cooled inline
Displacement:	426 ci 7.0 L
Bore/Stroke:	4.25x5.00 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

Mechanical

Mechanical Chassis:4x4 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
Transmission details ...

1976 - 1981

Four-wheel Drive (4WD) tractor

Transmission

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

Speeds

Speeds
With 20.8x38 rear tires.

Hydraulics

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

Tractor hitch

Tractor hitch Rear Type:III

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000

Dimensions & Tires

Dimensions & Tires Wheelbase:126 inches
320 cm
Weight:23100 to 23510 pounds
Front tire:20.8x38
Rear tire:20.8x38
Full dimensions and tires ...

1976 - 1981

Four-wheel Drive (4WD) tractor

Allis Chalmers 7580 Tires

Allis Chalmers 7580 Tires
Ag front:	20.8x38
Ag rear:	20.8x38
Ag front:	23.1x30
	24.5x32
	30.5x32
	20.8x34
	18.4x38
Ag rear:	23.1x30
	24.5x32
	30.5x32
	20.8x34
	18.4x38

Dimensions

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

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

7580 Serial Numbers

7580 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...