Challenger MT445B VS Oliver Super 77 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	-

Oliver Super 77

General Infos

Make	Oliver
Model	Super 77
Country	United states
Production	From 1954  Until 1958
Price	-
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Oliver Super 77 Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4328 lbs or 1963 kg
Length	139.3 inches [353 cm]
Width	80.3 inches [203 cm]
Height	61.5 inches [156 cm]
Wheelbase	90.8 inches [230 cm]
Ground clearance	24.9 inches [63 cm]
Turning radius	-
Rear tread size	60 to 92.5 inches
Front tread size	60 to 84 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	216 ci or 3.5 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	1600 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	16.5 gal or 62.5 L
Oil capacity	5 qts or 4.7 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Oliver Super 77 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 2 reverse
Clutch system	254mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential mechanical disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	13 gpm or 49.2 lpm
SVC flow	-
Steering flow	-
Tank capacity	2.4 gal or 9.1 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	36.78 hp or 27.4 kW
Fuel consumption	-
Pulling power	5,659 lbs or 2566 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

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

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