Challenger MT645B VS Allis Chalmers WD 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

Allis Chalmers WD

General Infos

Make	Allis Chalmers
Model	WD
Country	United states
Production	From 1948  Until 1953
Price	1,830  USD
Tractor type	Row Crop tractor
Fuel	fuel
Service repair manual	Allis Chalmers WD Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3500 lbs or 1587 kg
Length	127 inches [322 cm]
Width	-
Height	81.5 inches [207 cm]
Wheelbase	88 inches [223 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	201 ci or 3.3 L
Cylinders	4 cylinders 8 valves
Engine power	-
Engine RPM	1400 (rpm)
Torque	-
Torque RPM	-
Fuel type	fuel
Fuel injection	-
Fuel tank size	15 gal or 56.8 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	6 V
Parts And Accessories	Allis Chalmers WD Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	non-synchronized gear
Trans gears	4 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual worm and horizontal sector
Braking system	manual external compression band type
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	1.25 gal or 4.7 L
Hydraulic pressure	1200 psi or 82.7 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	19 hp or 14.2 kW
Drawbar horsepower	30.23 hp or 22.5 kW
Fuel consumption	-
Pulling power	4,304 lbs or 1952 kg

Power take-off (PTO) specs

Claimed power	26 hp or 19.4 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
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	Single Hitch Point
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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