Challenger MT225B VS Memo M451 specs comparison

Challenger MT225B

General Infos

Make	Challenger
Model	MT225B
Country	United states
Production	From 2005  Until 2008
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	Challenger MT225B Manual

Dimensions, sizes and tires

AG front tires	6-12
AG rear tires	9.5-16
Lawn front tires	23x10.50-12
Lawn rear tires	23x10.50-12
Indus front tires	23x8.50-12
Indus rear tires	12x16.5
Weight	1609 lbs or 729 kg
Length	102 inches [259 cm]
Width	39.4 inches [100 cm]
Height	77 inches [195 cm]
Wheelbase	59.8 inches [151 cm]
Ground clearance	10.4 inches [26 cm]
Turning radius	7.9 feet [2.4 m]
Rear tread size	35.6 inches
Front tread size	35.6 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	68.5 ci or 1.1 L
Cylinders	3 cylinders
Engine power	22 hp or 16.4 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	indirect injection
Fuel tank size	6.6 gal or 25.0 L
Oil capacity	2.9 qts or 2.7 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT225B Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	435
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	40 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (2-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	spur gear
Steering	hydrostatic power
Braking system	wet disc
Cabin type	Two-post fixed ROPS
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	2
Pump flow	5.5 gpm or 20.8 lpm
SVC flow	-
Steering flow	2.64 gpm or 10.0 lpm
Tank capacity	-
Hydraulic pressure	1990 psi or 137.2 bar
Max flow	8.1 gpm or 30.7 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	17.6 hp or 13.1 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	standard
Mid PTO RPM	2000 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and response control
Rear hitch	I
Rear hitch lift	1190 lbs or 539 kg
Front hitch	-
Front hitch lift	-

Memo M451

General Infos

Make	Memo
Model	M451
Country	Germany
Production	From 1987  Until 1988
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Memo M451 Manual

Dimensions, sizes and tires

AG front tires	7.5x16
AG rear tires	14.9x28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7714 lbs or 3499 kg
Length	136.6 inches [346 cm]
Width	69.3 inches [176 cm]
Height	-
Wheelbase	78.7 inches [199 cm]
Ground clearance	-
Turning radius	-
Rear tread size	50 to 67.7 inches
Front tread size	52 to 71.7 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	172.45 ci or 2.8 L
Cylinders	3 cylinders
Engine power	45 hp or 33.6 kW
Engine RPM	2300 (rpm)
Torque	121.5 lb-ft or 164.8 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	18.5 gal or 70.0 L
Oil capacity	9.5 qts or 9.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Memo M451 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	28 amps

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	up to 3
Pump flow	9.72 gpm or 36.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	2.6 gal or 9.8 L
Hydraulic pressure	2500 psi or 172.4 bar
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	540@2077 (rpm)
PTO Clutch	-
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	-
Rear hitch	I
Rear hitch lift	3600 lbs or 1632 kg
Front hitch	-
Front hitch lift	-

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