White Field Boss 21 VS John Deere 8770 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	-

John Deere 8770

General Infos

Make	John Deere
Model	8770
Country	United states
Production	From 1993  Until 1996
Price	114,945  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8770 Manual

Dimensions, sizes and tires

AG front tires	24.5R-32
AG rear tires	24.5R-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	32,960 lbs or 14950 kg
Length	268.9 inches [683 cm]
Width	-
Height	-
Wheelbase	134 inches [340 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	619 ci or 10.1 L
Cylinders	6 cylinders
Engine power	300 hp or 223.7 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	220 gal or 832.7 L
Oil capacity	33.8 qts or 32.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8770 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Shift
Trans type	full power shift
Trans gears	12 forward and 2 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	inboard planetary
Steering	hydrostatic power
Braking system	hydraulic wet discs
Cabin type	Sound-Gard cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center pressure compensated
Valves	3 to 5
Pump flow	44.8 gpm or 169.6 lpm
SVC flow	33.3 gpm or 126.0 lpm
Steering flow	-
Tank capacity	38 gal or 143.8 L
Hydraulic pressure	2530 psi or 174.4 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	242.52 hp or 180.8 kW
Fuel consumption	15.8 gal/hour or 59.8 l/hour
Pulling power	33,464 lbs or 15179 kg

Power take-off (PTO) specs

Claimed power	256 hp or 190.9 kW
Real power	286.31 hp or 213.5 kW
Engine @RPM	-
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	16.0 gal/hour or 60.6 l/hour

3 point hitch specifiations

Hitch system	draft sensing
Rear hitch	3
Rear hitch lift	14,980 lbs or 6794 kg
Front hitch	-
Front hitch lift	-

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