John Deere 4840 VS John Deere 8100T 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 8100T

General Infos

Make	John Deere
Model	8100T
Country	United states
Production	From 1997  Until 1999
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	-
Service repair manual	John Deere 8100T Manual

Dimensions, sizes and tires

AG front tires	24, 30-inch tracks
AG rear tires	24, 30-inch tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	23,650 lbs or 10727 kg
Length	207 inches [525 cm]
Width	103.7 inches [263 cm] (minimum)
Height	122.9 inches [312 cm]
Wheelbase	89 inches [226 cm]
Ground clearance	17.7 inches [44 cm] (drawbar)
Turning radius	0 feet [0.0 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	496 ci or 8.1 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	130 gal or 492.1 L
Oil capacity	22.7 qts or 21.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8100T Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	140 amps

Clutch and gearbox specs

Trans system	-
Trans type	full powershift
Trans gears	16 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	hydrostatic power
Braking system	-
Cabin type	CommandView Cab standard
Differentiel lock	-

Hydraulics specifications

System	pressure/flow compensated
Valves	3 to 5
Pump flow	30 gpm or 113.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	65 gal or 246.0 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	138.47 hp or 103.3 kW
Fuel consumption	9.7 gal/hour or 36.7 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	160 hp or 119.3 kW
Real power	162.10 hp or 120.9 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	9.8 gal/hour or 37.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	15,650 lbs or 7098 kg
Front hitch	-
Front hitch lift	-

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