Challenger MT855 VS Yanmar AF645 specs comparison

Challenger MT855

General Infos

Make	Challenger
Model	MT855
Country	United states
Production	From 2002  Until 2004
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger MT855 Manual

Dimensions, sizes and tires

AG front tires	18-inch track
AG rear tires	18-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	41000 lbs or 18597 kg
Length	265.9 inches [675 cm]
Width	142.1 inches [360 cm]
Height	138.1 inches [350 cm]
Wheelbase	118.1 inches [299 cm]
Ground clearance	18.7 inches [47 cm]
Turning radius	-
Rear tread size	90 to 128 inches
Front tread size	90 to 128 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	893 ci or 14.6 L
Cylinders	6 cylinders
Engine power	450 hp or 335.6 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	305 gal or 1154.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT855 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	160 amps

Clutch and gearbox specs

Trans system	Caterpillar
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	43.5 gpm or 164.6 lpm
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	70 gal or 264.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	346.83 hp or 258.6 kW
Fuel consumption	22.6 gal/hour or 85.5 l/hour
Pulling power	42798 lbs or 19413 kg

Power take-off (PTO) specs

Claimed power	374 hp or 278.9 kW
Real power	428.30 hp or 319.4 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	23.1 gal/hour or 87.4 l/hour

3 point hitch specifiations

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

Yanmar AF645

General Infos

Make	Yanmar
Model	AF645
Country	Japan
Production	From 2001  Until 2005
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Yanmar AF645 Manual

Dimensions, sizes and tires

AG front tires	8-15
AG rear tires	13.6-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4883 lbs or 2214 kg
Length	136.4 inches [346 cm]
Width	63 inches [160 cm]
Height	96.9 inches [246 cm]
Wheelbase	74.8 inches [189 cm]
Ground clearance	14 inches [35 cm]
Turning radius	-
Rear tread size	50 to 63.7 inches
Front tread size	47.2 to 58.3 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	168.1 ci or 2.8 L
Cylinders	4 cylinders
Engine power	45 hp or 33.6 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	17.2 gal or 65.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar AF645 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	110 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	power shuttle
Trans gears	18 forward and reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	mechanical wet disc
Cabin type	Cab standard with air-conditioning
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	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	564 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position control
Rear hitch	I
Rear hitch lift	3754 lbs or 1702 kg
Front hitch	-
Front hitch lift	-

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