John Deere 6125J VS John Deere 4450 specs comparison

John Deere 6125J

General Infos

Make	John Deere
Model	6125J
Country	United states
Production	From 2010
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 6125J Manual

Dimensions, sizes and tires

AG front tires	14.9-26
AG rear tires	23.1-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9,678 lbs or 4389 kg
Length	193.7 inches [491 cm]
Width	-
Height	107.9 inches [274 cm]
Wheelbase	104.3 inches [264 cm]
Ground clearance	19.9 inches [50 cm]
Turning radius	-
Rear tread size	71.2 inches
Front tread size	63.6 to 84.8 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	414.4 ci or 6.8 L
Cylinders	6 cylinders
Engine power	125 hp or 93.2 kW
Engine RPM	2300 (rpm)
Torque	365.8 lb-ft or 496.0 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	rotary injection
Fuel tank size	45.44 gal or 172.0 L
Oil capacity	20.1 qts or 19.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 6125J Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	150 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere PowrQuad
Trans type	partial power shift
Trans gears	16 forward and reverse
Clutch system	hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Four-post ROPS
Differentiel lock	electro-hydraulic

Hydraulics specifications

System	pressure compensated
Valves	2
Pump flow	17.17 gpm or 65.0 lpm
SVC flow	15.85 gpm or 60.0 lpm
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	106 hp or 79.0 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	electronic lower link
Rear hitch	II
Rear hitch lift	8,378 lbs or 3800 kg
Front hitch	-
Front hitch lift	-

John Deere 4450

General Infos

Make	John Deere
Model	4450
Country	United states
Production	From 1983  Until 1988
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4450 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12745 lbs or 5781 kg
Length	164.1 inches [416 cm]
Width	96 inches [243 cm]
Height	116.5 inches [295 cm]
Wheelbase	105.3 inches [267 cm]
Ground clearance	15.75 inches [40 cm]
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	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	65 gal or 246.0 L
Oil capacity	18 qts or 17.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4450 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	72 amps

Clutch and gearbox specs

Trans system	John Deere Power Shift
Trans type	full power shift
Trans gears	15 forward and 4 reverse
Clutch system	Perma-Clutch wet disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	26.5 gpm or 100.3 lpm
SVC flow	-
Steering flow	-
Tank capacity	10.5 gal or 39.7 L
Hydraulic pressure	2277 psi or 157.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	121 hp or 90.2 kW
Drawbar horsepower	120.11 hp or 89.6 kW
Fuel consumption	8.3 gal/hour or 31.4 l/hour
Pulling power	15,069 lbs or 6835 kg

Power take-off (PTO) specs

Claimed power	140 hp or 104.4 kW
Real power	140.33 hp or 104.6 kW
Engine @RPM	540@2200 (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	6,294 lbs or 2854 kg
Front hitch	-
Front hitch lift	-

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