Allis Chalmers 8550 VS John Deere 820 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 -

John Deere 820 1956 comparison online with competitors

John Deere 820

General Infos
Make John Deere
Model 820
Country United states
Production From 1956  Until 1958
Price -
Tractor type Standard tread tractor
Fuel diesel
Service repair manual John Deere 820 Manual

Dimensions, sizes and tires
AG front tires 7.50-18
AG rear tires 15-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 7,850 lbs or 3560 kg
Length 142.75 inches [362 cm]
Width 79.5 inches [201 cm]
Height 81 inches [205 cm]
Wheelbase 85.25 inches [216 cm]
Ground clearance -
Turning radius -
Rear tread size 64.5/68.5 inches
Front tread size 56.5 to 63 inches
Turning radius -

Horsepower and engin specs
Engine capacity 470.7 ci or 7.7 L
Cylinders 2 cylinders
Engine power -
Engine RPM 1125 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 32.5 gal or 123.0 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories John Deere 820 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force positive
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type unsynchronized gear
Trans gears 6 forward and 1 reverse
Clutch system 9-inch dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system -
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System Powr-Trol
Valves 1
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 67.15 hp or 50.1 kW
Fuel consumption -
Pulling power 8,667 lbs or 3931 kg
Power take-off (PTO) specs
Claimed power -
Real power -
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 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

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