White Field Boss 21 VS David Brown 780 specs comparison

White Field Boss 21

General Infos

Make	White
Model	Field Boss 21
Country	United states
Production	From 1986  Until 1988
Price	8,500  USD
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	White Field Boss 21 Manual

Dimensions, sizes and tires

AG front tires	4.00-12
AG rear tires	12.4-1
Lawn front tires	12.4-16 (2WD)
Lawn rear tires	12.4-16 (2WD)
Indus front tires	-
Indus rear tires	-
Weight	1,584 lbs or 718 kg
Length	105.5 inches [267 cm]
Width	42.9 inches [108 cm]
Height	-
Wheelbase	59 inches [149 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	71.4 ci or 1.2 L
Cylinders	3 cylinders
Engine power	21 hp or 15.7 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	6.1 gal or 23.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	White Field Boss 21 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	-
Trans type	-
Trans gears	12 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical expanding shoe
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2064 psi or 142.3 bar
Max flow	5.5 gpm or 20.8 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	19 hp or 14.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
Rear PTO RPM	540 (rpm)
Front PTO	crankshaft-driven
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 780

General Infos

Make	David Brown
Model	780
Country	United states
Production	From 1967  Until 1971
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 780 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	12.4/11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3,470 lbs or 1573 kg
Length	111.75 inches [283 cm]
Width	64 inches [162 cm]
Height	82.5 inches [209 cm]
Wheelbase	75.8 inches [192 cm]
Ground clearance	11.75 inches [29 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	164.4 ci or 2.7 L
Cylinders	3 cylinders
Engine power	46 hp or 34.3 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	9.5 gal or 36.0 L
Oil capacity	6.5 qts or 6.2 L
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	David Brown 780 Parts

Electrical and battery specs

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

Clutch and gearbox specs

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

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical drum
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	7.4 gpm or 28.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	38.9 hp or 29.0 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	42.9 hp or 32.0 kW
Real power	-
Engine @RPM	540@1828 (rpm)
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	1600 lbs or 725 kg
Front hitch	-
Front hitch lift	-

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