John Deere 2850 VS David Brown 850 specs comparison

John Deere 2850

General Infos

Make	John Deere
Model	2850
Country	United states
Production	From 1986  Until 1994
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 2850 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	14.9R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7694 lbs or 3489 kg
Length	167.1 inches [424 cm]
Width	81.4 inches [206 cm]
Height	100.3 inches [254 cm] (low-profile)
Wheelbase	90 inches [228 cm]
Ground clearance	-
Turning radius	27.6 feet [8.4 m]
Rear tread size	59.1 to 78.7 inches
Front tread size	53.5 to 79.1 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	239 ci or 3.9 L
Cylinders	4 cylinders
Engine power	86 hp or 64.1 kW
Engine RPM	2300 (rpm)
Torque	232.3 lb-ft or 315.0 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	22.2 gal or 84.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 2850 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	55 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	Hi-Lo
Trans type	two-speed power shift
Trans gears	16 forward and 8 reverse
Clutch system	hydraulic cerametallic disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	ROPS
Differentiel lock	-

Hydraulics specifications

System	closed-center constant presure
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2756 psi or 190.0 bar
Max flow	11.6 gpm or 43.9 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	1000@2172 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	independent
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	positon and draft control
Rear hitch	II
Rear hitch lift	8003 lbs or 3630 kg
Front hitch	II
Front hitch lift	3594 lbs or 1630 kg

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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