Challenger MT425B VS Yanmar YM169 specs comparison

Challenger MT425B

General Infos

Make	Challenger
Model	MT425B
Country	United states
Production	From 2004  Until 2010
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Challenger MT425B Manual

Dimensions, sizes and tires

AG front tires	7.50-16 (2WD)
AG rear tires	18.4R34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8885 lbs or 4030 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	268 ci or 4.4 L
Cylinders	4 cylinders
Engine power	75 hp or 55.9 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT425B 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	Autopower IV
Trans type	four speed power shift
Trans gears	16 forward and reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab optional
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	48.5 hp or 36.2 kW
Fuel consumption	3.9 gal/hour or 14.8 l/hour
Pulling power	8385 lbs or 3803 kg

Power take-off (PTO) specs

Claimed power	60 hp or 44.7 kW
Real power	59.7 hp or 44.5 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.7 gal/hour or 14.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Yanmar YM169

General Infos

Make	Yanmar
Model	YM169
Country	Japan
Production	From 1986  Until 1989
Price	-
Tractor type	Sub Compact Utility tractor
Fuel	diesel
Service repair manual	Yanmar YM169 Manual

Dimensions, sizes and tires

AG front tires	4.50-10
AG rear tires	8-1
Lawn front tires	6-12
Lawn rear tires	6-12
Indus front tires	-
Indus rear tires	-
Weight	1,300 lbs or 589 kg
Length	84.1 inches [213 cm]
Width	38.4 inches [97 cm]
Height	-
Wheelbase	49.4 inches [125 cm]
Ground clearance	9.3 inches [23 cm]
Turning radius	-
Rear tread size	27.6 to 33.5 inches
Front tread size	30.3 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	53.6 ci or 0.9 L
Cylinders	3 cylinders
Engine power	16 hp or 11.9 kW
Engine RPM	2600 (rpm)
Torque	36.8 lb-ft or 49.9 Nm
Torque RPM	1800 (rpm)
Fuel type	diesel
Fuel injection	Bosch YPER-0707 injection
Fuel tank size	4.2 gal or 15.9 L
Oil capacity	3.4 qts or 3.2 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Yanmar YM169 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	12 V
Charging Amps	15 amps

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	mechanical drum
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	gear pump
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	1564 psi or 107.8 bar
Max flow	3.43 gpm or 13.0 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	16 hp or 11.9 kW
Real power	-
Engine @RPM	540@2255 (rpm)
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (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	1,102 lbs or 499 kg
Front hitch	-
Front hitch lift	-

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