John Deere 20A VS Challenger MT445B specs comparison

John Deere 20A

General Infos

Make	John Deere
Model	20A
Country	United states
Production	From 2008  Until 2011
Price	-
Tractor type	Orchard/Vineyard tractor
Fuel	diesel
Service repair manual	John Deere 20A Manual

Dimensions, sizes and tires

AG front tires	6.5/80x15
AG rear tires	6.5/80x15
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	1,654 lbs or 750 kg
Length	98 inches [248 cm]
Width	32 inches [81 cm]
Height	40 inches [101 cm]
Wheelbase	39.3 inches [99 cm]
Ground clearance	9.25 inches [23 cm] (front axle)
Turning radius	3.9 feet [1.2 m] (with brakes)
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	58.2 ci or 1.0 L
Cylinders	2 cylinders
Engine power	21 hp or 15.7 kW
Engine RPM	3000 (rpm)
Torque	53 lb-ft or 71.9 Nm
Torque RPM	2300 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	6 gal or 22.7 L
Oil capacity	3.17 qts or 3.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 20A Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	45 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	14 amps

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 3 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	1.7 gal or 6.4 L
Hydraulic pressure	1813 psi or 125.0 bar
Max flow	9 gpm or 34.1 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	17 hp or 12.7 kW
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	1/1N
Rear hitch lift	1,100 lbs or 498 kg
Front hitch	-
Front hitch lift	-

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	-

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