John Deere 8440

John Deere 8440The John Deere 8440 is a four-wheel drive tractor from the Iron Horses series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1979 to 1982. The John Deere 8440 is equipped with a 7.6 L (466.0 cu·in) six-cylinder diesel engine and a partial power shift with hydraulic wet disc clutch transmission with 16 forward and 6 reverse gears.

The John Deere 8440 four-wheel drive used the John Deere engine. It is a 7.6 L, 7,636 cm2, (466.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.5:1. This engine produced 218.0 PS (160.3 kW; 215.0 HP) at 2,100 rpm of output power.

The JD 8440 is equipped with articulated power steering, hydraulic wet disc brakes, Cab (standard), and 590.5 liters (156 US gal.; 129.9 Imp. gal) fuel tank.

John Deere 8440 Specifications

General Specifications
ModelJohn Deere 8440
Length5,670 mm (223.2 in)
Width
Height (cab)3,210 mm (126.4 in)
Wheel base3,170 mm (124.8 in)
Ground clearance490 mm (19.3 in)
Weight (operating)12,060 kg (26,588 lbs)
Fuel tank capacity590.5 liters (156 US gal.; 129.9 Imp. gal)
BatteryTwo 6V, CCA 850A
Cabin typeCab (standard)
Engine
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Cylinders6
Fuel typeDiesel
Displacement7.6 L, 7,636 cm2, (466.0 cu·in)
Bore and stroke116.0 mm X 121.0 mm (4.57 in X 4.76 in)
Compression ratio15.5:1
Horsepower218 PS (160.3 kW; 215.0 HP) at 2,100 rpm
StarterElectric
Oil capacity:20.8 L (22 US. qt, 18.3 Imp. qt.)
Coolant capacity:37.9 L (40 US. qt, 33.3 Imp. qt.)
Transmission and chassis
Chassis4×4 MFWD 4WD
Steering typeArticulated power
BrakesHydraulic wet disc
Differential lockHydraulic front and rear
Transmission modelJohn Deere Quad-Range
Transmission typePartial power shift with hydraulic wet disc clutch
Gears16 forward and 6 reverse
Speed Forward: 34.1 kmh (21.2 mph) Reverse: 20.7 kmh (12.9 mph)
Transmission oil capacity151.4 L (40 US. gal, 33.3 Imp. gal.)
Tires
Front tires Ag: 18.4-34
Rear tires Ag: 18.4-34
Three-Point Hitch
CategoryIII
Control type
Lift capacity3,876 kg (8,545 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed1000 rpm
Hydraulic system
Hydraulic typeClosed center
Hydraulic capacity151.4 L (40 US. gal, 33.3 Imp. gal.)
Valves2
Pump flow33.0 gpm (124.9 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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