John Deere 8420 VS Avery 25-50 specs comparison

John Deere 8420 2002 comparison online with competitors

John Deere 8420

General Infos
Make 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
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps -
Cold Amps 925
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 150 amps
Clutch and gearbox specs
Trans system John Deere PowerShift
Trans type full power shift
Trans gears 16 forward and 4 reverse
Clutch system hydraulic wet disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering hydrostatic power
Braking system hydraulic wet disc
Cabin type Cab standard
Differentiel lock -
Hydraulics specifications
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 specifications
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
Power take-off (PTO) specs
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
3 point hitch specifiations
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

Avery 25-50 1916 comparison online with competitors

Avery 25-50

General Infos
Make Avery
Model 25-50
Country United states
Production From 1916  Until 1923
Price 2,350  USD
Tractor type -
Fuel kerosene
Service repair manual Avery 25-50 Manual

Dimensions, sizes and tires
AG front tires 38x10 steel
AG rear tires 69x20 steel
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 12,500 lbs or 5670 kg
Length 176 inches [447 cm]
Width 90.5 inches [229 cm]
Height 108 inches [274 cm]
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 1061.9 ci or 17.4 L
Cylinders 4 cylinders
Engine power -
Engine RPM 700 (rpm)
Torque -
Torque RPM -
Fuel type kerosene
Fuel injection -
Fuel tank size 50 gal or 189.3 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Avery 25-50 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type unsynchronized gear
Trans gears 2 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering -
Braking system -
Cabin type -
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 25 hp or 18.6 kW
Drawbar horsepower 32.62 hp or 24.3 kW
Fuel consumption -
Pulling power 3,225 lbs or 1462 kg
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO 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 -

Related tractor comparison


1916 Avery 25-50 competitors and comparison tool online specs and performance
1913 Bolinder-Munktell 30-40 competitors and comparison tool online specs and performance

Avery 25-50 Bolinder-Munktell 30-40

2002 John Deere 8420 competitors and comparison tool online specs and performance
1914 Wallis Cub competitors and comparison tool online specs and performance

John Deere 8420 Wallis Cub

2002 John Deere 8420 competitors and comparison tool online specs and performance
1916 Heider D 9-16 competitors and comparison tool online specs and performance

John Deere 8420 Heider D 9-16

1916 Avery 25-50 competitors and comparison tool online specs and performance
1917 Wallis Cub Junior J competitors and comparison tool online specs and performance

Avery 25-50 Wallis Cub Junior J

1916 Avery 25-50 competitors and comparison tool online specs and performance
1918 Advance-Rumely OilPull K 12/20 competitors and comparison tool online specs and performance

Avery 25-50 Advance-Rumely OilPull K 12/20

2002 John Deere 8420 competitors and comparison tool online specs and performance
1918 Turner-Simplicity 14-25 competitors and comparison tool online specs and performance

John Deere 8420 Turner-Simplicity 14-25


Choose another tractor









Useful links and guides ....