John Deere 8450 VS John Deere 2840 specs comparison

John Deere 8450

General Infos

Make	John Deere
Model	8450
Country	United states
Production	From 1982  Until 1988
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8450 Manual

Dimensions, sizes and tires

AG front tires	20.8-34
AG rear tires	20.8-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27560 lbs or 12501 kg
Length	223.5 inches [567 cm]
Width	-
Height	-
Wheelbase	125 inches [317 cm]
Ground clearance	-
Turning radius	17.8 feet [5.4 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	225 hp or 167.8 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	185 gal or 700.2 L
Oil capacity	20 qts or 18.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8450 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	800
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	110 amps

Clutch and gearbox specs

Trans system	Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	Perma-Clutch hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	power wet disc
Cabin type	Sound-Gard cab with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center constant-pressure
Valves	2 to 4
Pump flow	32 gpm or 121.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	37.5 gal or 141.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	173.52 hp or 129.4 kW
Fuel consumption	12.0 gal/hour or 45.4 l/hour
Pulling power	26,567 lbs or 12050 kg

Power take-off (PTO) specs

Claimed power	185 hp or 138.0 kW
Real power	186.98 hp or 139.4 kW
Engine @RPM	-
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	11.9 gal/hour or 45.0 l/hour

3 point hitch specifiations

Hitch system	lower-link
Rear hitch	3/3N
Rear hitch lift	9,262 lbs or 4201 kg
Front hitch	-
Front hitch lift	-

John Deere 2840

General Infos

Make	John Deere
Model	2840
Country	United states
Production	From 1977  Until 1979
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 2840 Manual

Dimensions, sizes and tires

AG front tires	7.50-18
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8700 lbs or 3946 kg
Length	160 inches [406 cm]
Width	90 inches [228 cm]
Height	-
Wheelbase	97 inches [246 cm]
Ground clearance	-
Turning radius	-
Rear tread size	61 to 90 inches
Front tread size	57.82.4 to inches
Turning radius	-

Horsepower and engin specs

Engine capacity	329 ci or 5.4 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	28 gal or 106.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 2840 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	-

Clutch and gearbox specs

Trans system	sliding gear
Trans type	two-speed power shift
Trans gears	6 forward and 3 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power assist
Braking system	differential hydraulic wet disc
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	closed center
Valves	2
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	12.9 gal or 48.8 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	64.86 hp or 48.4 kW
Fuel consumption	5.2 gal/hour or 19.7 l/hour
Pulling power	8,386 lbs or 3803 kg

Power take-off (PTO) specs

Claimed power	-
Real power	76.27 hp or 56.9 kW
Engine @RPM	-
PTO Clutch	hydraulic 300mm 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	draft sensing
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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