Allis Chalmers 8550 VS McCormick-Deering AW-7 specs comparison

Allis Chalmers 8550 1978 comparison online with competitors

Allis Chalmers 8550

General Infos
Make 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
Electrical and battery specs
Batteries number 4
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Power Director
Trans type partial power shift
Trans gears 20 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
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 -
Hydraulics specifications
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 specifications
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
Power take-off (PTO) specs
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
3 point hitch specifiations
Hitch system -
Rear hitch IV/III
Rear hitch lift -
Front hitch -
Front hitch lift -

McCormick-Deering AW-7 1957 comparison online with competitors

McCormick-Deering AW-7

General Infos
Make McCormick-Deering
Model AW-7
Country United states
Production From 1957  Until 1960
Price -
Tractor type Standard tread tractor
Fuel diesel
Service repair manual McCormick-Deering AW-7 Manual

Dimensions, sizes and tires
AG front tires 7.50x16
AG rear tires 14.00x30
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 7735 lbs or 3508 kg
Length 125 inches [317 cm]
Width 78.75 inches [200 cm]
Height -
Wheelbase 76.5 inches [194 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 264 ci or 4.3 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1450 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor electric
Starter volts 6 V
Parts And Accessories McCormick-Deering AW-7 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type gear
Trans gears 5 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering power assisted, enclosed worm and gear
Braking system -
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow 10 gpm or 37.9 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 1200 psi or 82.7 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 44.6 hp or 33.3 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch II
Rear hitch lift -
Front hitch -
Front hitch lift -

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