Allis Chalmers 8550 VS International Harvester 966 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 | - |

International Harvester 966
General InfosMake | International Harvester |
Model | 966 |
Country | United states |
Production | From 1971 Until 1976 |
Price | 18,000 USD |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | International Harvester 966 Manual |
Dimensions, sizes and tires
AG front tires | 9.5L-15 |
AG rear tires | 18.4-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11,116 lbs or 5042 kg |
Length | 165 inches [419 cm] |
Width | 98 inches [248 cm] |
Height | - |
Wheelbase | 105 inches [266 cm] |
Ground clearance | 14 inches [35 cm] |
Turning radius | 13.3 feet [4.1 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 414 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 91 hp or 67.9 kW |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 37 gal or 140.0 L |
Oil capacity | 12 qts or 11.4 L |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | International Harvester 966 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | 172 amps |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | 32 amps |
Trans system | Hydrostatic |
Trans type | - |
Trans gears | infinite forward and reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | Independent hydraulic dry disc |
Cabin type | Cab optional with heat and A/C |
Differentiel lock | - |
System | open center |
Valves | 1 to 4 |
Pump flow | 12 gpm or 45.4 lpm |
SVC flow | - |
Steering flow | 9 gpm or 34.1 lpm |
Tank capacity | 22.5 gal or 85.2 L |
Hydraulic pressure | 2000 psi or 137.9 bar |
Max flow | 24 gpm or 90.8 lpm |
Drawbar type | - |
Claimed power | 84 hp or 62.6 kW |
Drawbar horsepower | 85.21 hp or 63.5 kW |
Fuel consumption | 6.9 gal/hour or 26.1 l/hour |
Pulling power | 10,036 lbs or 4552 kg |
Claimed power | 95 hp or 70.8 kW |
Real power | 101.52 hp or 75.7 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 | 6.5 gal/hour or 24.6 l/hour |
Hitch system | - |
Rear hitch | 2 |
Rear hitch lift | 5,000 lbs or 2268 kg |
Front hitch | - |
Front hitch lift | - |
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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 International Harvester 966 manual book version
- Cabine, electrical And mechanical parts for International Harvester 966 farm-tractor here