John Deere 8440

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3-Point Hitch
Rear type III
Control -
Rear lift 8545 lbs [3876 kg]
Front hitch -
Front lift -
Power Take-off (PTO):
Rear PTO independent
Clutch -
Rear RPM 1000
Front PTO -
Engine RPM -
Capacity
Fuel 156 gal [590.5 L]
Dimensions & Tires
Wheelbase 125 inches [317 cm]
Weight 26,590 lbs [12061 kg]
Front tire 18.4-34
Rear tire 18.4-34
John Deere 8440 Power:
Engine gross -
Engine max -
Mechanical
Chassis 4x4 articulated 4WD
Differential lock hydraulic front and rear
Steering articulated power
Brakes hydraulic wet disc
Trailer brakes -
Cab Cab standard.
Hydraulics
Type III
Rear valves -
Mid valves -
Pump flow articulated powe
SCV flow -
Total flow -
Electrical
Ground negative
Charging system alternator
Charging amps 90
Charging volts -
Battery
Number 2
Cold-cranking amps 850
Volts 6
Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled
466 ci [7.6 L]
Engine specifications
Bore/Stroke 4.5625x4.75 inches [116 x 121 mm]
Emissions -
Emission control -
Rated Power -
Maximum Power -
Air cleaner -
Pre-heating -
Compression -
Fuel system -
Rated RPM 2100
Operating RPM 1500-2100
Torque -
Torque RPM -
Starter -
Starter volts 12
Oil capacity 22 qts [20.8 L]
Oil change -
Coolant capacity 40 qts [37.9 L]
John Deere Quad-Range
Type partial power shift
Gears 16 forward and 6 reverse
Clutch hydraulic wet disc
Speeds With 18.4-38 tires.
John Deere 8440 Tires
Ag front 18.4-34
Ag rear 18.4-34
Standard tires (ag) -
Dimensions
Weight (operating) 26,590 lbs [12061 kg] *With 20.8-38 duals.
Weight (max capacity) -
Front axle load -
Rear axle load -
Wheelbase 125 inches [317 cm]
Length 223.5 inches [567 cm]
With hitch Length: -
Width -
Height (hood) 87.1 inches [221 cm]
Height (cab) 126.6 inches [321 cm]
Front axle Rack-and-pinion: 3.937 by 95.8 inches [99x2433 mm] Rack-and-pinion: 3.937 by 118.4 inches [99x3007 mm]
Rear axle Rack-and-pinion: 3.937 by 95.8 inches [99x2433 mm] Rack-and-pinion: 3.937 by 118.4 inches [99x3007 mm]
Height (exhaust) 134.5 inches [341 cm]
Clearance (front axle) -
Clearance (rear axle) -
Clearance (drawbar) -
Test name
Test Date September 10, 1979 - September 15, 1949
Test Type Diesel 16-speed 4WD
PTO power (max) -
PTO fuel use (max) -
PTO power (rated engine speed) 179.83 hp [134.1 kW]
PTO fuel use (engine speed) 11.3 gal/hour [42.8 l/hour]
PTO fuel use (PTO speed) -
Drawbar power (max) 160.58 hp [119.7 kW]
Drawbar fuel use (max) 11.2 gal/hour [42.4 l/hour]
Drawbar pull (max) 25,383 lbs [11513 kg]
Max pull gear A1