John Deere 4455 VS David Brown 850 specs comparison

John Deere 4455

General Infos

Make	John Deere
Model	4455
Country	United states
Production	From 1988  Until 1992
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4455 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	14,145 lbs or 6416 kg
Length	158.6 inches [402 cm]
Width	109 inches [276 cm]
Height	116.5 inches [295 cm]
Wheelbase	105.3 inches [267 cm]
Ground clearance	-
Turning radius	-
Rear tread size	62 to 116 inches
Front tread size	60.5 to 88 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	direct injection
Fuel tank size	65 gal or 246.0 L
Oil capacity	19 qts or 18.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4455 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	120 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	hydraulic wet disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	26.5 gpm or 100.3 lpm
SVC flow	20.6 gpm or 78.0 lpm
Steering flow	-
Tank capacity	13.5 gal or 51.1 L
Hydraulic pressure	2530 psi or 174.4 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	128.59 hp or 95.9 kW
Fuel consumption	8.4 gal/hour or 31.8 l/hour
Pulling power	17,161 lbs or 7784 kg

Power take-off (PTO) specs

Claimed power	140 hp or 104.4 kW
Real power	142.69 hp or 106.4 kW
Engine @RPM	-
PTO Clutch	hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.4 gal/hour or 31.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IIIN/II
Rear hitch lift	5504 lbs or 2496 kg
Front hitch	-
Front hitch lift	-

David Brown 850

General Infos

Make	David Brown
Model	850
Country	United states
Production	From 1960  Until 1965
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 850 Manual

Dimensions, sizes and tires

AG front tires	5.00-15
AG rear tires	10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3750 lbs or 1701 kg
Length	113.5 inches [288 cm]
Width	-
Height	-
Wheelbase	75.25 inches [191 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52/56/60/64/68/72 inches
Front tread size	52/56/60/64/68/72 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	154 ci or 2.5 L
Cylinders	4 cylinders
Engine power	35 hp or 26.1 kW
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	10.6 gal or 40.1 L
Oil capacity	10.1 qts or 9.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 850 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	spur gear
Steering	manual
Braking system	differential mechanical expanding shoe
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	30 hp or 22.4 kW
Drawbar horsepower	27.64 hp or 20.6 kW
Fuel consumption	3.0 gal/hour or 11.4 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	33 hp or 24.6 kW
Real power	28.52 hp or 21.3 kW
Engine @RPM	540@1800 (rpm)
PTO Clutch	dry disc
Rear PTO	transmission
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.6 gal/hour or 9.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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