White Field Boss 31 VS David Brown 850 specs comparison

White Field Boss 31

General Infos

Make	White
Model	Field Boss 31
Country	United states
Production	From 1986  Until 1988
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	White Field Boss 31 Manual

Dimensions, sizes and tires

AG front tires	5.00-15
AG rear tires	11.2-2
Lawn front tires	24x8.50-12 (2WD)
Lawn rear tires	24x8.50-12 (2WD)
Indus front tires	-
Indus rear tires	-
Weight	2215 lbs or 1004 kg
Length	116 inches [294 cm]
Width	52 inches [132 cm]
Height	-
Wheelbase	65 inches [165 cm]
Ground clearance	-
Turning radius	-
Rear tread size	40.2 to 52.8 inches
Front tread size	37.8 to 41.7 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	91.4 ci or 1.5 L
Cylinders	3 cylinders
Engine power	30 hp or 22.4 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	7.4 gal or 28.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	White Field Boss 31 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	35 amps

Clutch and gearbox specs

Trans system	Triple-sync
Trans type	partially synchronized
Trans gears	12 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual (2WD)
Braking system	mechanical wet discs
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2135 psi or 147.2 bar
Max flow	7.7 gpm or 29.1 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	25 hp or 18.6 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	live
Front PTO RPM	2600 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	-
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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