Challenger MT645D VS CaseIH STX450QT Quadtrac specs comparison

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

CaseIH STX450QT Quadtrac

General Infos

Make	CaseIH
Model	STX450QT Quadtrac
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	Articulated Crawler tractor
Fuel	diesel
Service repair manual	CaseIH STX450QT Quadtrac Manual

Dimensions, sizes and tires

AG front tires	30 or 36 in tracks
AG rear tires	30 or 36 in tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	51335 lbs or 23285 kg
Length	-
Width	44 inches [111 cm]
Height	-
Wheelbase	154 inches [391 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	912 ci or 14.9 L
Cylinders	6 cylinders
Engine power	450 hp or 335.6 kW
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	300 gal or 1135.5 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	CaseIH STX450QT Quadtrac Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	16 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	articulated crawler
Final drive	inboard planetary
Steering	hydrostatic power
Braking system	integrated hydraulic wet disc
Cabin type	Surveyor Cab standard
Differentiel lock	-

Hydraulics specifications

System	pressure flow compensated
Valves	-
Pump flow	40 gpm or 151.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	345.68 hp or 257.8 kW
Fuel consumption	22.1 gal/hour or 83.6 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	395 hp or 294.6 kW
Real power	399.14 hp or 297.6 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	22.0 gal/hour or 83.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IVN/III
Rear hitch lift	19500 lbs or 8845 kg
Front hitch	-
Front hitch lift	-

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