John Deere 4640 VS John Deere 8225R specs comparison

John Deere 4640

General Infos

Make	John Deere
Model	4640
Country	United states
Production	From 1978  Until 1982
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4640 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	24.5-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	14350 lbs or 6509 kg
Length	171 inches [434 cm]
Width	96 inches [243 cm]
Height	117 inches [297 cm]
Wheelbase	118.5 inches [300 cm]
Ground clearance	14.9 inches [37 cm]
Turning radius	14.7 feet [4.5 m]
Rear tread size	60 to 131.5 inches
Front tread size	58 to 100 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	83 gal or 314.2 L
Oil capacity	20 qts or 18.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4640 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	John Deere PowerShift
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	Sound-Gard cab standard
Differentiel lock	pedal-actuated hydraulic

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	16.5 gal or 62.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	132.44 hp or 98.8 kW
Fuel consumption	9.8 gal/hour or 37.1 l/hour
Pulling power	15,989 lbs or 7252 kg

Power take-off (PTO) specs

Claimed power	155 hp or 115.6 kW
Real power	157.01 hp or 117.1 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	9.9 gal/hour or 37.5 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	7328 lbs or 3323 kg
Front hitch	-
Front hitch lift	-

John Deere 8225R

General Infos

Make	John Deere
Model	8225R
Country	United states
Production	From 2009  Until 2010
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 8225R Manual

Dimensions, sizes and tires

AG front tires	11.00-24 (2WD)
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	21,745 lbs or 9863 kg
Length	241.3 inches [612 cm]
Width	-
Height	127.7 inches [324 cm]
Wheelbase	126.1 inches [320 cm] (2WD)
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	548 ci or 9.0 L
Cylinders	6 cylinders 24 valves
Engine power	218 hp or 162.6 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	180 gal or 681.3 L
Oil capacity	26.4 qts or 25.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8225R 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	200 amps

Clutch and gearbox specs

Trans system	John Deere Infinitely Variable Transmission (IVT)
Trans type	full power shift
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	CommandView cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center, pressrue and flow compensated
Valves	3 to 5
Pump flow	35 gpm or 132.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	40 gal or 151.4 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	167.39 hp or 124.8 kW
Fuel consumption	10.6 gal/hour or 40.1 l/hour
Pulling power	19,604 lbs or 8892 kg

Power take-off (PTO) specs

Claimed power	181 hp or 135.0 kW
Real power	211.42 hp or 157.7 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/IIIN
Rear hitch lift	12,400 lbs or 5624 kg
Front hitch	optional with ILS
Front hitch lift	11,000 lbs or 4989 kg

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