Gravely 8179 VS John Deere 420 specs comparison

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	-

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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