John Deere 8320RT VS Challenger MT645B specs comparison

John Deere 8320RT

General Infos

Make	John Deere
Model	8320RT
Country	United states
Production	From 2009  Until 2010
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	John Deere 8320RT Manual

Dimensions, sizes and tires

AG front tires	16-inch track
AG rear tires	16-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	-
Length	223.5 inches [567 cm]
Width	150 inches [381 cm]
Height	130.8 inches [332 cm]
Wheelbase	99 inches [251 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	548 ci or 9.0 L
Cylinders	6 cylinders 24 valves
Engine power	347 hp or 258.8 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	200 gal or 757.0 L
Oil capacity	27 qts or 25.6 L
Oil change	250 h
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 8320RT Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	200 amps

Clutch and gearbox specs

Trans system	Infinitely Variable Transmission (IVT)
Trans type	full power shift
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	electro-hydraulic power
Braking system	hydraulic wet disc
Cabin type	CommandView cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure-flow compensated
Valves	3 to 5
Pump flow	35 gpm or 132.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	68.3 gal or 258.5 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	44 gpm or 166.5 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	225.14 hp or 167.9 kW
Fuel consumption	14.3 gal/hour or 54.1 l/hour
Pulling power	33,194 lbs or 15056 kg

Power take-off (PTO) specs

Claimed power	260 hp or 193.9 kW
Real power	286.68 hp or 213.8 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	15.5 gal/hour or 58.7 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IVN/III
Rear hitch lift	19,300 lbs or 8754 kg
Front hitch	-
Front hitch lift	-

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

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