Challenger MT445B VS David Brown 1412 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	-

David Brown 1412

General Infos

Make	David Brown
Model	1412
Country	United states
Production	From 1974  Until 1979
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 1412 Manual

Dimensions, sizes and tires

AG front tires	6.00-19
AG rear tires	12.4/11-36
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7660 lbs or 3474 kg
Length	145 inches [368 cm]
Width	77 inches [195 cm]
Height	103 inches [261 cm]
Wheelbase	90 inches [228 cm]
Ground clearance	-
Turning radius	-
Rear tread size	56 to 80 inches
Front tread size	56 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	219.3 ci or 3.6 L
Cylinders	4 cylinders
Engine power	91 hp or 67.9 kW
Engine RPM	2300 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	15.9 qts or 15.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 1412 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	100 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Hydra-Shift
Trans type	partial power shift
Trans gears	12 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential wet disc
Cabin type	Two-post fixed ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	6.5 gpm or 24.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	65 hp or 48.5 kW
Drawbar horsepower	64.47 hp or 48.1 kW
Fuel consumption	4.8 gal/hour or 18.2 l/hour
Pulling power	7,815 lbs or 3544 kg

Power take-off (PTO) specs

Claimed power	81 hp or 60.4 kW
Real power	76.21 hp or 56.8 kW
Engine @RPM	540@1800 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.5 gal/hour or 17.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	2,600 lbs or 1179 kg
Front hitch	-
Front hitch lift	-

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