John Deere 4840 VS John Deere 8310R specs comparison

John Deere 4840

General Infos

Make	John Deere
Model	4840
Country	United states
Production	From 1978  Until 1982
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4840 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	24.5-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	14,900 lbs or 6758 kg
Length	177 inches [449 cm]
Width	96 inches [243 cm]
Height	117 inches [297 cm]
Wheelbase	118.5 inches [300 cm]
Ground clearance	-
Turning radius	14.7 feet [4.5 m]
Rear tread size	60 to 131.5 inches
Front tread size	58 to 100 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	103 gal or 389.9 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4840 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	John Deere PowerShift
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential hydraulic wet disc
Cabin type	Sound-Gard cab
Differentiel lock	pedal-actuated hydraulic

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	16.5 gal or 62.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	157 hp or 117.1 kW
Drawbar horsepower	151.21 hp or 112.8 kW
Fuel consumption	11.3 gal/hour or 42.8 l/hour
Pulling power	17,307 lbs or 7850 kg

Power take-off (PTO) specs

Claimed power	180 hp or 134.2 kW
Real power	181.63 hp or 135.4 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	11.5 gal/hour or 43.5 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III,IIIN
Rear hitch lift	8,295 lbs or 3762 kg
Front hitch	-
Front hitch lift	-

John Deere 8310R

General Infos

Make	John Deere
Model	8310R
Country	United states
Production	From 2011  Until 2013
Price	257,683  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 8310R Manual

Dimensions, sizes and tires

AG front tires	420/85R34
AG rear tires	480/80R50
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27,218 lbs or 12346 kg
Length	243.9 inches [619 cm]
Width	96 inches [243 cm] (axle)
Height	96 inches [243 cm]
Wheelbase	118.9 inches [302 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	341 hp or 254.3 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	183.6 gal or 694.9 L
Oil capacity	29.5 qts or 27.9 L
Oil change	250 h
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 8310R 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	John Deere AutoPowr
Trans type	infinitely variable transmission (IVT)
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	CommandView II cab standard with heat and air-conditioning
Differentiel lock	front and rear 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	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	60 gpm or 227.1 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	235.40 hp or 175.5 kW
Fuel consumption	14.7 gal/hour or 55.6 l/hour
Pulling power	24,866 lbs or 11279 kg

Power take-off (PTO) specs

Claimed power	261 hp or 194.6 kW
Real power	294.79 hp or 219.8 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	15.6 gal/hour or 59.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	4N/3
Rear hitch lift	18,300 lbs or 8300 kg
Front hitch	3N/2
Front hitch lift	8,800 lbs or 3991 kg

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