Yanmar Ex450 VS Challenger MT645 specs comparison

Yanmar Ex450

General Infos

Make	Yanmar
Model	Ex450
Country	Japan
Production	From 2012
Price	21,299  USD
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	Yanmar Ex450 Manual

Dimensions, sizes and tires

AG front tires	8-16
AG rear tires	14.9-24
Lawn front tires	27x12-15
Lawn rear tires	27x12-15
Indus front tires	10-16.5
Indus rear tires	17.5-24
Weight	3,499 lbs or 1587 kg
Length	127 inches [322 cm]
Width	71.89 inches [182 cm]
Height	-
Wheelbase	72 inches [182 cm]
Ground clearance	13.4 inches [34 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	133.6 ci or 2.2 L
Cylinders	4 cylinders
Engine power	45 hp or 33.6 kW
Engine RPM	2700 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	11.3 gal or 42.8 L
Oil capacity	5.6 qts or 5.3 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar Ex450 Parts

Electrical and battery specs

Batteries number	1
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	synchronized shuttle
Trans gears	9 forward and reverse
Clutch system	dual stage dry

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydraulic power
Braking system	wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	2 or 3
Pump flow	8.2 gpm or 31.0 lpm
SVC flow	-
Steering flow	4.5 gpm or 17.0 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	12.7 gpm or 48.1 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	37.5 hp or 28.0 kW
Real power	-
Engine @RPM	-
PTO Clutch	dry dual stage
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	position control
Rear hitch	1
Rear hitch lift	2,464 lbs or 1117 kg
Front hitch	-
Front hitch lift	-

Challenger MT645

General Infos

Make	Challenger
Model	MT645
Country	United states
Production	From 2002  Until 2003
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645 Manual

Dimensions, sizes and tires

AG front tires	14.9R30
AG rear tires	18.4R42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	19000 lbs or 8618 kg
Length	203 inches [515 cm]
Width	98.2 inches [249 cm]
Height	121 inches [307 cm]
Wheelbase	121 inches [307 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	449 ci or 7.4 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	120 gal or 454.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT645 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	power shift
Trans gears	18 forward and 6 reverse
Clutch system	electro-hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure flow compensated
Valves	4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	29 gpm or 109.8 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	180 hp or 134.2 kW
Real power	183.87 hp or 137.1 kW
Engine @RPM	1000@2091 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	10.9 gal/hour or 41.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	18400 lbs or 8346 kg
Front hitch	-
Front hitch lift	-

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