Challenger MT445B VS John Deere 1250 specs comparison

Challenger MT445B

General Infos

Make	Challenger
Model	MT445B
Country	United states
Production	From 2004  Until 2013
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Challenger MT445B Manual

Dimensions, sizes and tires

AG front tires	10.00-16 (2WD)
AG rear tires	480/70R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8,840 lbs or 4009 kg
Length	-
Width	-
Height	-
Wheelbase	97 inches [246 cm]
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	85 hp or 63.4 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	40 gal or 151.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT445B 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	inboard planetary
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	ROPS
Differentiel lock	electro-hydraulic

Hydraulics specifications

System	-
Valves	2 to 4
Pump flow	26.4 gpm or 99.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	60.5 hp or 45.1 kW
Fuel consumption	4.9 gal/hour or 18.5 l/hour
Pulling power	8680 lbs or 3937 kg

Power take-off (PTO) specs

Claimed power	70 hp or 52.2 kW
Real power	73.4 hp or 54.7 kW
Engine @RPM	-
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.8 gal/hour or 18.2 l/hour

3 point hitch specifiations

Hitch system	electronic top-link draft control
Rear hitch	II
Rear hitch lift	7285 lbs or 3304 kg
Front hitch	-
Front hitch lift	-

John Deere 1250

General Infos

Make	John Deere
Model	1250
Country	United states
Production	From 1982  Until 1989
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 1250 Manual

Dimensions, sizes and tires

AG front tires	9.5-24
AG rear tires	14.9-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4125 lbs or 1871 kg
Length	134.3 inches [341 cm]
Width	65.2 inches [165 cm]
Height	-
Wheelbase	78 inches [198 cm]
Ground clearance	-
Turning radius	-
Rear tread size	51 to 79 inches
Front tread size	55 to 74.8 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	142.7 ci or 2.3 L
Cylinders	3 cylinders
Engine power	44 hp or 32.8 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	17.2 gal or 65.1 L
Oil capacity	11.2 qts or 10.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 1250 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	25 amps

Clutch and gearbox specs

Trans system	-
Trans type	sliding gear
Trans gears	9 forward and 3 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	inboard planetary
Steering	power assist
Braking system	differential hydraulic wet disc
Cabin type	Two-post ROPS
Differentiel lock	mechanical

Hydraulics specifications

System	open center
Valves	0 to 2
Pump flow	11.2 gpm or 42.4 lpm
SVC flow	-
Steering flow	4.7 gpm or 17.8 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	15.9 gpm or 60.2 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	33.44 hp or 24.9 kW
Fuel consumption	2.4 gal/hour or 9.1 l/hour
Pulling power	5,164 lbs or 2342 kg

Power take-off (PTO) specs

Claimed power	40 hp or 29.8 kW
Real power	40.98 hp or 30.6 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	continuous
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.4 gal/hour or 9.1 l/hour

3 point hitch specifiations

Hitch system	center-link draft sensing with position and control
Rear hitch	II/I
Rear hitch lift	2240 lbs or 1016 kg
Front hitch	-
Front hitch lift	-

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