Allis Chalmers 8550 VS Hesston 70-66 specs comparison

Allis Chalmers 8550
General InfosMake | Allis Chalmers |
Model | 8550 |
Country | United states |
Production | From 1978 Until 1981 |
Price | 86,753 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers 8550 Manual |
Dimensions, sizes and tires
AG front tires | 20.8x34 |
AG rear tires | 20.8x34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 26,400 lbs or 11975 kg |
Length | 285 inches [723 cm] |
Width | 95.5 inches [242 cm] |
Height | 139 inches [353 cm] |
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 | 731 ci or 12.0 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 300 hp or 223.7 kW |
Engine RPM | 2500 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 170 gal or 643.5 L |
Oil capacity | 46 qts or 43.5 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 8550 Parts |
Batteries number | 4 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
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 II standard with heat and air-conditioning |
Differentiel lock | - |
System | closed center |
Valves | 3 or 4 |
Pump flow | 74.9 gpm or 283.5 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 210 hp or 156.6 kW |
Drawbar horsepower | 217.92 hp or 162.5 kW |
Fuel consumption | 17.5 gal/hour or 66.2 l/hour |
Pulling power | 26,220 lbs or 11893 kg |
Claimed power | 250 hp or 186.4 kW |
Real power | 253.88 hp or 189.3 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 | 17.4 gal/hour or 65.9 l/hour |
Hitch system | - |
Rear hitch | IV/III |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Hesston 70-66
General InfosMake | Hesston |
Model | 70-66 |
Country | United states |
Production | From 1985 Until 1991 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Hesston 70-66 Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 |
AG rear tires | 14.9-30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 5689 lbs or 2580 kg |
Length | 143 inches [363 cm] |
Width | - |
Height | 97.5 inches [247 cm] |
Wheelbase | 88.5 inches [224 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 55.1 to 78.75 inches |
Front tread size | 55.1 to 74.75 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 220.5 ci or 3.6 L |
Cylinders | 4 cylinders |
Engine power | 70 hp or 52.2 kW |
Engine RPM | 2500 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 19.2 gal or 72.7 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Hesston 70-66 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 33 amps |
Trans system | - |
Trans type | creeper |
Trans gears | 20 forward and 8 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | mechanical wet disc |
Cabin type | Four-post ROPS |
Differentiel lock | - |
System | open center |
Valves | 1 to 3 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 11 gpm or 41.6 lpm |
Drawbar type | - |
Claimed power | 54 hp or 40.3 kW |
Drawbar horsepower | 54.22 hp or 40.4 kW |
Fuel consumption | 3.7 gal/hour or 14.0 l/hour |
Pulling power | - |
Claimed power | 62.7 hp or 46.8 kW |
Real power | 62.71 hp or 46.8 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.6 gal/hour or 13.6 l/hour |
Hitch system | position and lower-link draft control |
Rear hitch | I/II |
Rear hitch lift | 5194 lbs or 2355 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Hesston 70-66 Iseki SX65


Hesston 70-66 Iseki TU205 Landhope


Allis Chalmers 8550 SAME Explorer 55


Allis Chalmers 8550 CaseIH 4994


Allis Chalmers 8550 Yanmar YM2220


Allis Chalmers 8550 J.I. Case 2594
Choose another tractor
Useful links and guides ....
- Allis Chalmers provided us with the latest version of its 8550 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers 8550 farm-tractor here
- Get your Hesston 70-66 manual book version
- Cabine, electrical And mechanical parts for Hesston 70-66 farm-tractor here