John Deere 8420T VS John Deere 7800 specs comparison

John Deere 8420T

General Infos

Make	John Deere
Model	8420T
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	-
Fuel	-
Service repair manual	John Deere 8420T Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	Shipping:
Length	207 inches 525 cm
Width	103.7 inches 263 cm (min)
Height	122.9 inches 312 cm
Wheelbase	89 inches 226 cm
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	25,950 lbs 11770 kg

Horsepower and engin specs

Engine capacity	-
Cylinders	6 cylinders
Engine power	314 hp 234.1 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	130 gal 492.1 L
Oil capacity	22.7 qts 21.5 L
Oil change	250 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8420T 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	-
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	electro-hydraulic power
Braking system	hydraulic wet disc
Cabin type	Cab standard
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	235 hp 175.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	15,180 lbs 6885 kg
Front hitch	-
Front hitch lift	-

John Deere 7800

General Infos

Make	John Deere
Model	7800
Country	United states
Production	From 1992  Until 1996
Price	84,000  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7800 Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	13,910 lbs or 6309 kg
Length	-
Width	-
Height	-
Wheelbase	114.4 inches [290 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	91 gal or 344.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7800 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	John Deere PowerShift
Trans type	full power shift
Trans gears	19 forward and 7 reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	25.4 gpm or 96.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	22.9 gal or 86.7 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	124.12 hp or 92.6 kW
Fuel consumption	8.5 gal/hour or 32.2 l/hour
Pulling power	18,921 lbs or 8582 kg

Power take-off (PTO) specs

Claimed power	145 hp or 108.1 kW
Real power	146.73 hp or 109.4 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.6 gal/hour or 32.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	3N,2
Rear hitch lift	8,925 lbs or 4048 kg
Front hitch	-
Front hitch lift	-

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