John Deere 9420 VS John Deere 8440 specs comparison

John Deere 9420

General Infos

Make	John Deere
Model	9420
Country	United states
Production	From 2002  Until 2007
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 9420 Manual

Dimensions, sizes and tires

AG front tires	710/70R42
AG rear tires	710/70R42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	34,870 lbs or 15817 kg
Length	274 inches [695 cm]
Width	115.5 inches [293 cm]
Height	137.5 inches [349 cm]
Wheelbase	137.8 inches [350 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	765 ci or 12.5 L
Cylinders	6 cylinders
Engine power	425 hp or 316.9 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	270 gal or 1022.0 L
Oil capacity	44 qts or 41.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 9420 Parts

Electrical and battery specs

Batteries number	3
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	140 amps

Clutch and gearbox specs

Trans system	John Deere Powershift
Trans type	full power shift
Trans gears	18 forward and 6 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic articulated
Braking system	hydraulic wet disc
Cabin type	CommandView cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure/flow compensated
Valves	4 or 5
Pump flow	30 gpm or 113.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	27 gal or 102.2 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	44 gpm or 166.5 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	345.00 hp or 257.3 kW
Fuel consumption	20.3 gal/hour or 76.8 l/hour
Pulling power	38,409 lbs or 17422 kg

Power take-off (PTO) specs

Claimed power	316 hp or 235.6 kW
Real power	343.44 hp or 256.1 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	18.0 gal/hour or 68.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	13,871 lbs or 6291 kg
Front hitch	-
Front hitch lift	-

John Deere 8440

General Infos

Make	John Deere
Model	8440
Country	United states
Production	From 1979  Until 1982
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8440 Manual

Dimensions, sizes and tires

AG front tires	18.4-34
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	26,590 lbs or 12061 kg
Length	223.5 inches [567 cm]
Width	-
Height	126.6 inches [321 cm]
Wheelbase	125 inches [317 cm]
Ground clearance	19.4 inches [49 cm]
Turning radius	-
Rear tread size	63 to 130 inches
Front tread size	63 to 130 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	215 hp or 160.3 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	156 gal or 590.5 L
Oil capacity	22 qts or 20.8 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8440 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	850
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	articulated power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	hydraulic front and rear

Hydraulics specifications

System	closed center
Valves	2
Pump flow	33 gpm or 124.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	40 gal or 151.4 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	160.58 hp or 119.7 kW
Fuel consumption	11.2 gal/hour or 42.4 l/hour
Pulling power	25,383 lbs or 11513 kg

Power take-off (PTO) specs

Claimed power	175 hp or 130.5 kW
Real power	179.83 hp or 134.1 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	11.3 gal/hour or 42.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	8545 lbs or 3876 kg
Front hitch	-
Front hitch lift	-

Add a tractor