John Deere 4850 VS David Brown 1412 specs comparison

John Deere 4850

General Infos

Make	John Deere
Model	4850
Country	United states
Production	From 1983  Until 1988
Price	71,000  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4850 Manual

Dimensions, sizes and tires

AG front tires	11.00-16
AG rear tires	20.8-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	17,457 lbs or 7918 kg
Length	179.7 inches [456 cm] (2WD)
Width	118 inches [299 cm] (standard axle)
Height	117.8 inches [299 cm]
Wheelbase	118.5 inches [300 cm] (2WD)
Ground clearance	14.92 inches [37 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	102 gal or 386.1 L
Oil capacity	21 qts or 19.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4850 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	90 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	hydrostatic 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	29.5 gpm or 111.7 lpm
SVC flow	-
Steering flow	-
Tank capacity	18.6 gal or 70.4 L
Hydraulic pressure	2277 psi or 157.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	162 hp or 120.8 kW
Drawbar horsepower	164.73 hp or 122.8 kW
Fuel consumption	11.0 gal/hour or 41.6 l/hour
Pulling power	18,789 lbs or 8522 kg

Power take-off (PTO) specs

Claimed power	190 hp or 141.7 kW
Real power	192.99 hp or 143.9 kW
Engine @RPM	1000@2200 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	11.0 gal/hour or 41.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	3/3N
Rear hitch lift	9,599 lbs or 4354 kg
Front hitch	-
Front hitch lift	-

David Brown 1412

General Infos

Make	David Brown
Model	1412
Country	United states
Production	From 1974  Until 1979
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 1412 Manual

Dimensions, sizes and tires

AG front tires	6.00-19
AG rear tires	12.4/11-36
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7660 lbs or 3474 kg
Length	145 inches [368 cm]
Width	77 inches [195 cm]
Height	103 inches [261 cm]
Wheelbase	90 inches [228 cm]
Ground clearance	-
Turning radius	-
Rear tread size	56 to 80 inches
Front tread size	56 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	219.3 ci or 3.6 L
Cylinders	4 cylinders
Engine power	91 hp or 67.9 kW
Engine RPM	2300 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	15.9 qts or 15.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 1412 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	100 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Hydra-Shift
Trans type	partial power shift
Trans gears	12 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential wet disc
Cabin type	Two-post fixed ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	6.5 gpm or 24.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	65 hp or 48.5 kW
Drawbar horsepower	64.47 hp or 48.1 kW
Fuel consumption	4.8 gal/hour or 18.2 l/hour
Pulling power	7,815 lbs or 3544 kg

Power take-off (PTO) specs

Claimed power	81 hp or 60.4 kW
Real power	76.21 hp or 56.8 kW
Engine @RPM	540@1800 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.5 gal/hour or 17.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	2,600 lbs or 1179 kg
Front hitch	-
Front hitch lift	-

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