Allis-Chalmers 7580 Specs ( 1976-1981 )
Production
| Description | Built in West Allis, Wisconsin, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Allis Chalmers |
| Original price | $63,084 |
| Total built | 1610 |
Engine
| Engine type | Allis Chalmers 7.0L 6-cyl diesel |
|---|---|
| Fuel tank | 170 gal (643.5 L) |
| Air cleaner | dry |
| Bore/Stroke | 4.25x5.00 inches (108 x 127 mm) |
| Compression | 16:1 |
| Coolant capacity | 38 qts (36.0 L) |
| Description | Allis Chalmers 3750 Mark II / turbocharged intercooled diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 426 ci (7.0 L) |
| Firing order | 1-5-3-6-2-4 |
| Idle RPM | 775-2750 |
| Oil capacity | 25 qts (23.7 L) |
| Rated RPM | 2550 |
| Starter volts | 12 |
| Drawbar (claimed) | 153 hp (114.1 kW) |
| Drawbar (tested) | 153.70 hp (114.6 kW) |
| PTO (claimed) | 186 hp (138.7 kW) |
| PTO (tested) | 186.35 hp (139.0 kW) |
Transmission
| Gears | 20 forward and 4 reverse |
|---|---|
| Transmission | Power Director |
| Transmission type | 20-speed partial power shift |
| Type | partial power shift |
Mechanical
| Description | Hydraulic wet discs brakes / Acousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player. |
|---|---|
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
Hydraulics
| Pump flow | 23 gpm (87.1 lpm) |
|---|---|
| Total flow | 74.9 gpm (283.5 lpm) |
| Type | closed center |
| Valves | 3 to 4 |
Hitch
| Rear Type | III |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 |
Electrical
| Batteries | 4 |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Dimensions & Tires
| Ag front | 20.8x38 / 23.1x30 |
|---|---|
| Ag rear | 20.8x38 / 23.1x30 |
| Front tread | 62 to 123 inches (157 to 312 cm) |
| Ground clearance | 17 inches (43 cm) |
| Height (exhaust) | 150 inches (381 cm) |
| Height (hood) | 85.3 inches (216 cm) |
| Length | 225 inches (571 cm) |
| Rear tread | 62 to 123 inches (157 to 312 cm) |
| Wheelbase | 126 inches (320 cm) |
| Width | 95.5 inches (242 cm) |
| Front tire | 20.8x38 |
| Rear tire | 20.8x38 |
| Weight | 23100 to 23510 pounds |
| Wheelbase | 126 inches (320 cm) |
7580 Serial Numbers
| 1976 | 1001 |
|---|---|
| 1977 | 1288 |
| 1978 | 1605 |
| 1979 | 2218 |
| 1980 | 2486 |
| 1981 | 2717 |
| Description | FAQ: How to read a serial number table. |
| Final | 3018 |
| Location: | Front frame, rear left side |
Allis Chalmers 7580 Weight
| Ballasted | 25,000 lbs (11340 kg) |
|---|---|
| Operating | 23,510 lbs (10664 kg) |
| Shipping | 23,100 lbs (10478 kg) |
Nebraska Tractor Test 1229
| Description | Diesel 20-speed 4WDOctober 26 - November 8, 1976Link: Nebraska Tractor Test 1229 file / PTO performance / Drawbar performance / Gear 4SL used for power test. / Gear 1SH used for pull test. |
|---|---|
| Fuel use | 12.6 gal/hour (47.7 l/hour) / 12.6 gal/hour (47.7 l/hour) |
| Max power | 153.70 hp (114.6 kW) |
| Max pull | 23,310 lbs (10573 kg) |
| Power at rated engine speed | 186.35 hp (139.0 kW) |
References
| Description | 7580 - The beat built to eat acres, not fuel. published in 1977, by Allis Chalmers |
|---|---|
| Drive type | Four-wheel drives - mammoth size... published in 1978, by Allis Chalmers |
Speeds
| Description | With 20.8x38 rear tires. |
|---|