John Deere 8120T VS John Deere 840 specs comparison

John Deere 8120T

General Infos

Make	John Deere
Model	8120T
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	John Deere 8120T Manual

Dimensions, sizes and tires

AG front tires	16,18, or 24 in tracks
AG rear tires	16,18, or 24 in tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	25,950 lbs or 11770 kg
Length	207 inches [525 cm]
Width	103.7 inches [263 cm] (min)
Height	122.9 inches [312 cm]
Wheelbase	89 inches [226 cm]
Ground clearance	-
Turning radius	-
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	230 hp or 171.5 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	130 gal or 492.1 L
Oil capacity	22.7 qts or 21.5 L
Oil change	250 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8120T 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	John Deere PowerShift
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	electro-hydraulic power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center pressure flow compensated
Valves	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	33.5 gpm or 126.8 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	170 hp or 126.8 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	15,180 lbs or 6885 kg
Front hitch	-
Front hitch lift	-

John Deere 840

General Infos

Make	John Deere
Model	840
Country	United states
Production	From 1976  Until 1986
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 840 Manual

Dimensions, sizes and tires

AG front tires	6.50-16
AG rear tires	12.4-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5004 lbs or 2269 kg
Length	138 inches [350 cm]
Width	65.4 inches [166 cm]
Height	94.1 inches [239 cm]
Wheelbase	74.4 inches [188 cm]
Ground clearance	-
Turning radius	-
Rear tread size	53.5 to 73.2 inches
Front tread size	49.6 to 79.5 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	179 ci or 2.9 L
Cylinders	3 cylinders
Engine power	37.5 hp or 28.0 kW
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	20.6 gal or 78.0 L
Oil capacity	7.4 qts or 7.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 840 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	33 amps

Clutch and gearbox specs

Trans system	-
Trans type	two-speed power shift
Trans gears	16 forward and 8 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	manual
Braking system	hydraulic wet disc
Cabin type	Four-post ROPS
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	-
Pump flow	6.1 gpm or 23.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	10.8 gal or 40.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	33.5 hp or 25.0 kW
Real power	-
Engine @RPM	1000@2070 (rpm)
PTO Clutch	dry disc
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	4878 lbs or 2212 kg
Front hitch	-
Front hitch lift	-

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