John Deere 7820 VS Massey Ferguson 491 specs comparison

John Deere 7820

General Infos

Make	John Deere
Model	7820
Country	United states
Production	From 2003  Until 2006
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7820 Manual

Dimensions, sizes and tires

AG front tires	11.00-16
AG rear tires	480/80R42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	17,309 lbs or 7851 kg
Length	212.2 inches [538 cm]
Width	96 inches [243 cm]
Height	125.4 inches [318 cm]
Wheelbase	112.6 inches [286 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	414 ci or 6.8 L
Cylinders	6 cylinders
Engine power	203 hp or 151.4 kW
Engine RPM	2100 (rpm)
Torque	666 lb-ft or 903.1 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	high-pressure common rail
Fuel tank size	103.5 gal or 391.7 L
Oil capacity	27.5 qts or 26.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7820 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	150 amps

Clutch and gearbox specs

Trans system	AutoPowr IVT
Trans type	infinitely variable transmission
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	-
Valves	7
Pump flow	32 gpm or 121.1 lpm
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	28.5 gal or 107.9 L
Hydraulic pressure	3046 psi or 210.0 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	155 hp or 115.6 kW
Real power	-
Engine @RPM	540@1950 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	independent (optional)
Front PTO RPM	540 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	3/3N
Rear hitch lift	10,050 lbs or 4558 kg
Front hitch	optional
Front hitch lift	-

Massey Ferguson 491

General Infos

Make	Massey Ferguson
Model	491
Country	United states
Production	From 2004  Until 2006
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Massey Ferguson 491 Manual

Dimensions, sizes and tires

AG front tires	12.4-24
AG rear tires	18.4-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	6,812 lbs or 3089 kg
Length	155 inches [393 cm]
Width	80 inches [203 cm]
Height	106 inches [269 cm]
Wheelbase	93 inches [236 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	268.6 ci or 4.4 L
Cylinders	4 cylinders
Engine power	89 hp or 66.4 kW
Engine RPM	2200 (rpm)
Torque	282 lb-ft or 382.4 Nm
Torque RPM	1200 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	29 gal or 109.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Massey Ferguson 491 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	partially synchronized
Trans gears	12 forward and 4 reverse
Clutch system	305mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	hydrostatic power
Braking system	independent hydraulic wet disc
Cabin type	Flat-deck platform with two-post folding ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	2 or 3
Pump flow	10 gpm or 37.9 lpm
SVC flow	17 gpm or 64.3 lpm
Steering flow	8.0 gpm or 30.3 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	25 gpm or 94.6 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	77 hp or 57.4 kW
Real power	84.16 hp or 62.8 kW
Engine @RPM	540@1900 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.9 gal/hour or 18.5 l/hour

3 point hitch specifiations

Hitch system	position control and top-link draft sensing
Rear hitch	2
Rear hitch lift	4,199 lbs or 1904 kg
Front hitch	-
Front hitch lift	-

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