Allis Chalmers 7580: all source data
All 71 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Allis Chalmers |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in West Allis, Wisconsin, USA |
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| Total built | 1610 |
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| Original price | $63,084 |
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Engine| (no label) | Allis Chalmers 7.0L 6-cyl diesel |
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| Fuel tank | 170 gal | 643.5 L |
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Transmission| (no label) | 20-speed partial power shift |
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Power| Drawbar (claimed) | 153 hp | 114.1 kW |
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| PTO (claimed) | 186 hp | 138.7 kW |
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| Drawbar (tested) | 153.70 hp | 114.6 kW |
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| PTO (tested) | 186.35 hp | 139.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Steering | hydrostatic power |
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| (no label) | Hydraulic wet discs brakes |
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| (no label) | Acousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player. |
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Hydraulics| Type | closed center |
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| Valves | 3 to 4 |
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| Pump flow | 23 gpm | 87.1 lpm |
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| Total flow | 74.9 gpm | 283.5 lpm |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 |
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Dimensions| Wheelbase | 126 inches | 320 cm |
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| Weight | 23100 to 23510 pounds |
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| Front tire | 20.8x38 |
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| Rear tire | 20.8x38 |
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Electrical| Charging system | alternator |
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| Batteries | 4 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Allis Chalmers 3750 Mark II |
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| (no label) | turbocharged intercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 426 ci | 7.0 L |
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| Bore/Stroke | 4.25x5.00 inches | 108 x 127 mm |
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| Air cleaner | dry |
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| Compression | 16:1 |
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| Rated RPM | 2550 |
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| Idle RPM | 775-2750 |
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| Firing order | 1-5-3-6-2-4 |
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| Starter volts | 12 |
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| Oil capacity | 25 qts | 23.7 L |
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| Coolant capacity (Coolant) | 38 qts | 36.0 L |
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Transmission
Transmission| Transmission | Power Director |
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| Type | partial power shift |
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| Gears | 20 forward and 4 reverse |
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Dimensions
Tires| Ag front | 20.8x38 |
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| Ag rear | 20.8x38 |
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| Ag front | 23.1x30 |
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| Ag front | 24.5x32 |
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| Ag front | 30.5x32 |
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| Ag front | 20.8x34 |
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| Ag front | 18.4x38 |
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| Ag rear | 23.1x30 |
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| Ag rear | 24.5x32 |
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| Ag rear | 30.5x32 |
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| Ag rear | 20.8x34 |
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| Ag rear | 18.4x38 |
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Dimensions| Wheelbase | 126 inches | 320 cm |
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| Length | 225 inches | 571 cm |
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| Width | 95.5 inches | 242 cm |
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| Width | 119.5 inches (long axle) | 303 cm |
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| Height (hood) | 85.3 inches | 216 cm |
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| Height (exhaust) | 150 inches | 381 cm |
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| Ground clearance | 17 inches | 43 cm |
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| Front tread | 62 to 123 inches | 157 to 312 cm |
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| Rear tread | 62 to 123 inches | 157 to 312 cm |
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Weight| Shipping | 23,100 lbs | 10478 kg |
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| Operating | 23,510 lbs | 10664 kg |
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| Ballasted | 25,000 lbs | 11340 kg |
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