John Deere 420 VS Gravely 8179 specs comparison

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	-

Gravely 8179

General Infos

Make	Gravely
Model	8179
Country	England
Production	From 1980  Until 1985
Price	-
Tractor type	-
Fuel	-
Service repair manual	Gravely 8179 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	83 inches 210 cm
Width	43 inches 109 cm
Height	-
Wheelbase	52 inches 132 cm
Ground clearance	7 inches 17 cm
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	935 lbs 424 kg

Horsepower and engin specs

Engine capacity	816 cc or 49.8 ci
Cylinders	2 cylinders
Engine power	-
Engine RPM	3600 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	5.3 gal 20.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Gravely 8179 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	42 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
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	-
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	-

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