Challenger MT445B VS Ursus 4512 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 4512

General Infos

Make	Ursus
Model	4512
Country	Poland
Production	From 1988  Until 2011
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Ursus 4512 Manual

Dimensions, sizes and tires

AG front tires	7.5-16
AG rear tires	16.9R30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5401 lbs or 2449 kg
Length	148.6 inches [377 cm]
Width	76 inches [193 cm]
Height	99.2 inches [251 cm]
Wheelbase	88.8 inches [225 cm]
Ground clearance	-
Turning radius	-
Rear tread size	59.1 to 81.2 inches
Front tread size	55.1 to 70.9 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	235.9 ci or 3.9 L
Cylinders	4 cylinders
Engine power	66 hp or 49.2 kW
Engine RPM	2000 (rpm)
Torque	180.7 lb-ft or 245.0 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	7.4 qts or 7.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Ursus 4512 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	120 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	-
Trans type	creeper
Trans gears	12 forward and 3 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	mechanical wet disc
Cabin type	Cab optional with available heater
Differentiel lock	mechanical rear

Hydraulics specifications

System	-
Valves	-
Pump flow	6.9 gpm or 26.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	11.6 gal or 43.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	59 hp or 44.0 kW
Real power	-
Engine @RPM	540@1686 (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	5291 lbs or 2399 kg
Front hitch	-
Front hitch lift	-

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