Challenger MT645B VS Massey Ferguson 4900 specs comparison

Challenger MT645B

General Infos

Make	Challenger
Model	MT645B
Country	United states
Production	From 2005  Until 2008
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645B Manual

Dimensions, sizes and tires

AG front tires	380/85R34
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	18,308 lbs or 8304 kg
Length	206 inches [523 cm]
Width	118 inches [299 cm]
Height	123.6 inches [313 cm]
Wheelbase	121.1 inches [307 cm]
Ground clearance	22.4 inches [56 cm]
Turning radius	-
Rear tread size	60 to 88 inches
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	449 ci or 7.4 L
Cylinders	6 cylinders 24 valves
Engine power	235 hp or 175.2 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	159 gal or 601.8 L
Oil capacity	20 qts or 18.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT645B Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	775
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	150 amps

Clutch and gearbox specs

Trans system	TechStar
Trans type	continuously variable transmission (CVT)
Trans gears	infinite (2-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and A/C
Differentiel lock	electrohydraulic front and rear

Hydraulics specifications

System	pressure flow compensated
Valves	4 to 6
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	26.4 gal or 99.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	39 gpm or 147.6 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	172.30 hp or 128.5 kW
Fuel consumption	12.0 gal/hour or 45.4 l/hour
Pulling power	16,954 lbs or 7690 kg

Power take-off (PTO) specs

Claimed power	200 hp or 149.1 kW
Real power	221.55 hp or 165.2 kW
Engine @RPM	540@2037 (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	12.0 gal/hour or 45.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	15,600 lbs or 7076 kg
Front hitch	II
Front hitch lift	7,700 lbs or 3492 kg

Massey Ferguson 4900

General Infos

Make	Massey Ferguson
Model	4900
Country	United states
Production	From 1980  Until 1983
Price	123,400  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Massey Ferguson 4900 Manual

Dimensions, sizes and tires

AG front tires	18.4-38
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27,000 lbs or 12247 kg
Length	252 inches [640 cm]
Width	108 inches [274 cm]
Height	130 inches [330 cm]
Wheelbase	137 inches [347 cm]
Ground clearance	-
Turning radius	17 feet [5.2 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	903 ci or 14.8 L
Cylinders	8 cylinders
Engine power	375 hp or 279.6 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	190 gal or 719.1 L
Oil capacity	37.5 qts or 35.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Massey Ferguson 4900 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	60 amps

Clutch and gearbox specs

Trans system	-
Trans type	partial power shift
Trans gears	18 forward and 6 reverse
Clutch system	wet disc with four 14-inch plates

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	3 to 4
Pump flow	16 gpm or 60.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	60 gpm or 227.1 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	266.16 hp or 198.5 kW
Fuel consumption	20.1 gal/hour or 76.1 l/hour
Pulling power	30,090 lbs or 13648 kg

Power take-off (PTO) specs

Claimed power	321 hp or 239.4 kW
Real power	323.88 hp or 241.5 kW
Engine @RPM	1000@2350 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	19.3 gal/hour or 73.1 l/hour

3 point hitch specifiations

Hitch system	position control with electronic lower link sensing
Rear hitch	IV
Rear hitch lift	13,000 lbs or 5896 kg
Front hitch	-
Front hitch lift	-

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