Allis Chalmers 7580 VS John Deere 8420 specs comparison

Allis Chalmers 7580
General InfosMake | Allis Chalmers |
Model | 7580 |
Country | United states |
Production | From 1977 Until 1981 |
Price | 63,084 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers 7580 Manual |
Dimensions, sizes and tires
AG front tires | 23.1x30 |
AG rear tires | 23.1x30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 23,100 lbs or 10478 kg |
Length | 225 inches [571 cm] |
Width | 95.5 inches [242 cm] |
Height | - |
Wheelbase | 126 inches [320 cm] |
Ground clearance | 17 inches [43 cm] |
Turning radius | - |
Rear tread size | 62 to 123 inches |
Front tread size | 62 to 123 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2550 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 170 gal or 643.5 L |
Oil capacity | 25 qts or 23.7 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 7580 Parts |
Batteries number | 4 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | Power Director |
Trans type | partial power shift |
Trans gears | 20 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet discs |
Cabin type | Acousta cab standard with heat and air-conditioning |
Differentiel lock | - |
System | closed center |
Valves | 3 to 4 |
Pump flow | 23 gpm or 87.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 74.9 gpm or 283.5 lpm |
Drawbar type | - |
Claimed power | 153 hp or 114.1 kW |
Drawbar horsepower | 153.70 hp or 114.6 kW |
Fuel consumption | 12.6 gal/hour or 47.7 l/hour |
Pulling power | 23,310 lbs or 10573 kg |
Claimed power | 186 hp or 138.7 kW |
Real power | 186.35 hp or 139.0 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 12.6 gal/hour or 47.7 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

John Deere 8420
General InfosMake | John Deere |
Model | 8420 |
Country | United states |
Production | From 2002 Until 2005 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | John Deere 8420 Manual |
Dimensions, sizes and tires
AG front tires | 16.9R30 |
AG rear tires | 18.4R46 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 21,650 lbs or 9820 kg |
Length | 211.9 inches [538 cm] |
Width | - |
Height | 122.2 inches [310 cm] |
Wheelbase | 118.9 inches [302 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | 60 to 80 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 496 ci or 8.1 L |
Cylinders | 6 cylinders |
Engine power | 314 hp or 234.1 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | electronic high-pressure common rail (HPCR) |
Fuel tank size | 160 gal or 605.6 L |
Oil capacity | 28.5 qts or 27.0 L |
Oil change | 250 h |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8420 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 925 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 150 amps |
Trans system | John Deere PowerShift |
Trans type | full power shift |
Trans gears | 16 forward and 4 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | closed center pressure-flow compensated |
Valves | 4 to 5 |
Pump flow | - |
SVC flow | 30 gpm or 113.6 lpm |
Steering flow | - |
Tank capacity | 37 gal or 140.0 L |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 33.5 gpm or 126.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 207.49 hp or 154.7 kW |
Fuel consumption | 13.6 gal/hour or 51.5 l/hour |
Pulling power | 29,964 lbs or 13591 kg |
Claimed power | 235 hp or 175.2 kW |
Real power | 235.45 hp or 175.6 kW |
Engine @RPM | 540@1975 (rpm) |
PTO Clutch | hydraulic wet discs |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 13.7 gal/hour or 51.9 l/hour |
Hitch system | - |
Rear hitch | III/IIIN |
Rear hitch lift | 15180 lbs or 6885 kg |
Front hitch | IIIN |
Front hitch lift | 11000 lbs or 4989 kg |
Related tractor comparison


John Deere 8420 Holder A5.58


Allis Chalmers 7580 New Holland TJ325


John Deere 8420 Massey Ferguson 8270


John Deere 8420 CaseIH STX440


John Deere 8420 Massey Ferguson 281XE


Allis Chalmers 7580 Challenger MT465B
Choose another tractor
Useful links and guides ....
- Allis Chalmers provided us with the latest version of its 7580 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers 7580 farm-tractor here
- Get your John Deere 8420 manual book version
- Cabine, electrical And mechanical parts for John Deere 8420 farm-tractor here