Challenger MT445B VS Ursus 5712 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	-

Ursus 5712

General Infos

Make	Ursus
Model	5712
Country	Poland
Production	From 2002  Until 2009
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Ursus 5712 Manual

Dimensions, sizes and tires

AG front tires	7.50-20
AG rear tires	16.9R34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	6393 lbs or 2899 kg
Length	148.6 inches [377 cm]
Width	79.1 inches [200 cm]
Height	100.4 inches [255 cm]
Wheelbase	88.8 inches [225 cm]
Ground clearance	-
Turning radius	-
Rear tread size	59.1 to 87.4 inches
Front tread size	55.1/59.1/63/66.9/70.9 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	248.4 ci or 4.1 L
Cylinders	4 cylinders
Engine power	79.8 hp or 59.5 kW
Engine RPM	2200 (rpm)
Torque	210.2 lb-ft or 285.0 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	8.8 qts or 8.3 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Ursus 5712 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	120 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	12 V
Charging Amps	44 amps

Clutch and gearbox specs

Trans system	-
Trans type	-
Trans gears	12 forward and 4 reverse
Clutch system	305mm dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	-
Valves	-
Pump flow	6.9 gpm or 26.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	11.1 gal or 42.0 L
Hydraulic pressure	2321 psi or 160.0 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	67.1 hp or 50.0 kW
Real power	-
Engine @RPM	540@1992 (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	Position and draft control
Rear hitch	II
Rear hitch lift	6173 lbs or 2800 kg
Front hitch	-
Front hitch lift	-

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