Gravely 8171 VS John Deere 420 specs comparison

Gravely 8171 1978 comparison online with competitors

Gravely 8171

General Infos
Make Gravely
Model 8171
Country England
Production From 1978
Price -
Tractor type -
Fuel -
Service repair manual Gravely 8171 Manual

Dimensions, sizes and tires
AG front tires -
AG rear tires -
Lawn front tires 16x7.50-8
Lawn rear tires 16x7.50-8
Indus front tires -
Indus rear tires -
Weight -
Length -
Width -
Height -
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 816 cc or 49.8 ci
Cylinders 2 cylinders
Engine power -
Engine RPM -
Torque -
Torque RPM -
Fuel type -
Fuel injection -
Fuel tank size 5.3 gal 20.1 L
Oil capacity 2 qts 1.9 L
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Gravely 8171 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type shaft-driven gear
Trans gears 8 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive -
Final drive -
Steering manual
Braking system mechanical band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch mechanical
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO independent
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

John Deere 420 1983 comparison online with competitors

John Deere 420

General Infos
Make John Deere
Model 420
Country United states
Production From 1983  Until 1991
Price 7,700  USD
Tractor type -
Fuel -
Service repair manual John Deere 420 Manual

Dimensions, sizes and tires
AG front tires 4.80x4.00-8
AG rear tires 23x10.50-12
Lawn front tires 18x8.50-8
Lawn rear tires 18x8.50-8
Indus front tires -
Indus rear tires -
Weight -
Length 77 inches 195 cm
Width 51.5 inches 130 cm
Height 47.5 inches 120 cm
Wheelbase 52 inches 132 cm
Ground clearance -
Turning radius -
Rear tread size 32/38.6 inches
Front tread size 36 inches
Turning radius 993 lbs 450 kg

Horsepower and engin specs
Engine capacity 781 cc or 47.7 ci
Cylinders 2 cylinders
Engine power -
Engine RPM 3600 (rpm)
Torque -
Torque RPM -
Fuel type -
Fuel injection -
Fuel tank size 6.5 gal 24.6 L
Oil capacity 1.75 qts 1.7 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 420 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 20 amps
Clutch and gearbox specs
Trans system Sundstrand 90
Trans type shaft-driven hydrostatic
Trans gears infinite (2-range) forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering power
Braking system differential mechanical drum
Cabin type Open operator station
Differentiel lock mechanical rear
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch electric
Rear PTO independent
Rear PTO RPM 2000 (rpm)
Front PTO independent
Front PTO RPM 3400 (rpm)
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift 640 lbs 290 kg
Front hitch -
Front hitch lift -

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