Challenger MT525B VS Yanmar YM187 specs comparison

Challenger MT525B

General Infos

Make	Challenger
Model	MT525B
Country	United states
Production	From 2004  Until 2011
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT525B Manual

Dimensions, sizes and tires

AG front tires	14L-16.1 (2WD)
AG rear tires	18.4R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11052 lbs or 5013 kg
Length	168.5 inches [427 cm]
Width	81.1 inches [205 cm]
Height	112.8 inches [286 cm]
Wheelbase	109.5 inches [278 cm]
Ground clearance	-
Turning radius	-
Rear tread size	54.4 to 88.1 inches
Front tread size	64.1 to 83 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	365.2 ci or 6.0 L
Cylinders	6 cylinders
Engine power	118 hp or 88.0 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic direct injection
Fuel tank size	71 gal or 268.7 L
Oil capacity	15.3 qts or 14.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT525B Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	420
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	120 amps

Clutch and gearbox specs

Trans system	TechStar CVT
Trans type	continuously variable transmission
Trans gears	infinite (2-range) forward and reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and A/C
Differentiel lock	electro-hydraulic front and rear

Hydraulics specifications

System	closed center pressure flow compensating
Valves	2 to 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	81.8 hp or 61.0 kW
Fuel consumption	5.6 gal/hour or 21.2 l/hour
Pulling power	14,310 lbs or 6491 kg

Power take-off (PTO) specs

Claimed power	95 hp or 70.8 kW
Real power	102.5 hp or 76.4 kW
Engine @RPM	540@1980 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	6.5 gal/hour or 24.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/III
Rear hitch lift	8500 lbs or 3855 kg
Front hitch	optional
Front hitch lift	5,500 lbs or 2494 kg

Yanmar YM187

General Infos

Make	Yanmar
Model	YM187
Country	Japan
Production	From 1986  Until 1989
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	Yanmar YM187 Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	1523 lbs or 690 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	53.5 ci or 0.9 L
Cylinders	3 cylinders
Engine power	-
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	-
Oil capacity	3.4 qts or 3.2 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar YM187 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	partial power shift
Trans gears	9 forward and 3 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	18 hp or 13.4 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO 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	1658 lbs or 752 kg
Front hitch	-
Front hitch lift	-

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