Challenger MT645B VS Ford 8N 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

Ford 8N

General Infos

Make	Ford
Model	8N
Country	United states
Production	From 1947  Until 1952
Price	-
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	Ford 8N Manual

Dimensions, sizes and tires

AG front tires	4.00-19
AG rear tires	10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2,410 lbs or 1093 kg
Length	115 inches [292 cm]
Width	64.75 inches [164 cm]
Height	54.5 inches [138 cm]
Wheelbase	70 inches [177 cm]
Ground clearance	13 inches [33 cm]
Turning radius	8 feet [2.4 m]
Rear tread size	48/52/56/60/64/68/72/76 inches
Front tread size	48/52/56/60/64/68/72/76 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	119.7 ci or 2.0 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2000 (rpm)
Torque	92 lb-ft or 124.8 Nm
Torque RPM	1500 (rpm)
Fuel type	gasoline
Fuel injection	-
Fuel tank size	10 gal or 37.9 L
Oil capacity	6 qts or 5.7 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Ford 8N Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	80 amps
Cold Amps	-
Ground force	positive
Charging system	generator
Charging Volts	-
Charging Amps	20 amps

Clutch and gearbox specs

Trans system	Sherman Combination Transmission
Trans type	-
Trans gears	12 forward and 3 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	mechanical
Braking system	manual drum
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	2.85 gpm or 10.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	5 gal or 18.9 L
Hydraulic pressure	1700 psi or 117.2 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	23.16 hp or 17.3 kW
Drawbar horsepower	18.79 hp or 14.0 kW
Fuel consumption	-
Pulling power	2,355 lbs or 1068 kg

Power take-off (PTO) specs

Claimed power	27.32 hp or 20.4 kW
Real power	23.24 hp or 17.3 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
Rear PTO RPM	545 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.1 gal/hour or 7.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	800 lbs or 362 kg
Front hitch	-
Front hitch lift	-

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