White Field Boss 21 VS Challenger MT645D 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	-

Challenger MT645D

General Infos

Make	Challenger
Model	MT645D
Country	United states
Production	From 2011  Until 2013
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645D Manual

Dimensions, sizes and tires

AG front tires	480/70R34
AG rear tires	520/85R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	24250 lbs or 10999 kg
Length	215.7 inches [547 cm]
Width	-
Height	141 inches [358 cm]
Wheelbase	122 inches [309 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	513.8 ci or 8.4 L
Cylinders	6 cylinders
Engine power	240 hp or 179.0 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	167 gal or 632.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Challenger MT645D Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	240 amps

Clutch and gearbox specs

Trans system	Techstar CVT
Trans type	continuously variable transmission
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	inboard planetary
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional)
Differentiel lock	electro-hydraulic

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	-
SVC flow	26.4 gpm or 99.9 lpm
Steering flow	-
Tank capacity	29.1 gal or 110.1 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	46 gpm or 174.1 lpm

Drawbar specifications

Drawbar type	Cat
Claimed power	-
Drawbar horsepower	170.7 hp or 127.3 kW
Fuel consumption	11.5 gal/hour or 43.5 l/hour
Pulling power	25705 lbs or 11659 kg

Power take-off (PTO) specs

Claimed power	205 hp or 152.9 kW
Real power	250.0 hp or 186.4 kW
Engine @RPM	540E@1577 (rpm)
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	13.4 gal/hour or 50.7 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	22760 lbs or 10323 kg
Front hitch	III
Front hitch lift	11000 lbs or 4989 kg

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