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| info | |
| 440 ↑ | |
| Series: | 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 Engine | |
| Fuel tank: | 170 gal 643.5 L |
| 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 |
| 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 | |
| Rear Type: | III |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Dimensions & Tires | |
| Wheelbase: | 126 inches 320 cm |
| Weight: | 23100 to 23510 pounds |
| Front tire: | 20.8x38 |
| Rear tire: | 20.8x38 |
| 7580 Serial Numbers | |
| Location: | Front frame, rear left side |
| 1976: | 1001 |
| 1977: | 1288 |
| 1978: | 1605 |
| 1979: | 2218 |
| 1980: | 2486 |
| 1981: | 2717 |
| Final: | 3018 |
| Electrical | |
| Charging system: | alternator |
| Batteries: | 4 |
| Battery volts: | 12 |
| info | |
| 440 ↑ | |
| Series: | 7580 |
| 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 |
| info | |
| 440 ↑ | |
| Series: | 7580 |
| Transmission | |
| Transmission: | Power Director |
| Type: | partial power shift |
| Gears: | 20 forward and 4 reverse |
| Speeds | |
| With 20.8x38 rear tires., |
| info | |
| 440 ↑ | |
| Series: | 7580 |
| Allis Chalmers 7580 Tires | |
| 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 | |
| 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 |