Allis Chalmers 7580

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

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.