Allis Chalmers 7580 VS Challenger MT445B specs comparison

Allis Chalmers 7580

General Infos

Make	Allis Chalmers
Model	7580
Country	United states
Production	From 1977  Until 1981
Price	63,084  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Allis Chalmers 7580 Manual

Dimensions, sizes and tires

AG front tires	23.1x30
AG rear tires	23.1x30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	23,100 lbs or 10478 kg
Length	225 inches [571 cm]
Width	95.5 inches [242 cm]
Height	-
Wheelbase	126 inches [320 cm]
Ground clearance	17 inches [43 cm]
Turning radius	-
Rear tread size	62 to 123 inches
Front tread size	62 to 123 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	426 ci or 7.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2550 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	170 gal or 643.5 L
Oil capacity	25 qts or 23.7 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 7580 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	partial power shift
Trans gears	20 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet discs
Cabin type	Acousta cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	3 to 4
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	74.9 gpm or 283.5 lpm

Drawbar specifications

Drawbar type	-
Claimed power	153 hp or 114.1 kW
Drawbar horsepower	153.70 hp or 114.6 kW
Fuel consumption	12.6 gal/hour or 47.7 l/hour
Pulling power	23,310 lbs or 10573 kg

Power take-off (PTO) specs

Claimed power	186 hp or 138.7 kW
Real power	186.35 hp or 139.0 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	12.6 gal/hour or 47.7 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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	-

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