John Deere 8320

John Deere 8320The John Deere 8320 is a 4WD row-crop tractor from the 8020 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 2002 to 2005. The John Deere 8320 is equipped with a 8.1 L (496.0 cu·in) six-cylinder diesel engine and a full power shift transmission with 16 forward and 4 reverse gears and hydraulic wet disc clutch.

The JD 8320 row-crop tractor used the John Deere engine. It is a 8.1 L, 8,128 cm2, (496.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16.5:1. This engine produced 253.5 PS (186.4 kW; 250.0 HP) at 2,200 rpm of output power.

The John Deere 8320 is equipped with hydrostatic power steering, hydraulic wet disc brakes, cab (standard), and 511.0 liters (135 US gal.; 112.4 Imp. gal) fuel tank.

John Deere 8320 Specifications

Long frame: 3,020 mm (118.9 in)

General Specifications
ModelJohn Deere 8320
Length5,330 mm (209.8 in)
Long frame: 5,380 mm (211.8 in)
Height (cab)3,050 mm (120.1 in)
Wheel base 4WD: 2,960 mm (116.5 in)
ILS: 2,930 mm (115.7 in)
Long frame: 3,020 mm (118.9 in)
Weight (operating)9,085 kg (20,029 lbs)
Fuel tank capacity Standard: 511.0 liters (135 US gal.; 112.4 Imp. gal)
Optional: 605.6 liters (160 US gal, 133.2 Imp. gal)
BatteryTwo 12V, CCA 925A
Cabin typeCab (standard)
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement8.1 L, 8,128 cm2, (496.0 cu·in)
Bore and stroke116.0 mm X 129.0 mm (4.57 in X 5.08 in)
Compression ratio16.5:1
Horsepower253.5 PS (186.4 kW; 250 HP) at 2,200 rpm
Oil typeSAE 5W-30, 0W-40
Oil capacity:25.0 L (26.4 US. qt, 22 Imp. qt.)
Coolant capacity:34.0 L (35.9 US. qt, 29.9 Imp. qt.)
Transmission and chassis
Chassis4×4 MFWD 4WD
Steering typeHydrostatic power
BrakesHydraulic wet disc
Transmission modelJohn Deere PowerShift
Transmission typeFull power shift with hydraulic wet disc clutch
Gears16 forward and 4 reverse
Speed Forward: 39.9 kmh (24.8 mph) Reverse: 10.9 kmh (6.8 mph)
Transmission oil capacity 140.0 L (37 US. gal, 30.8 Imp. gal.)
ILS: 150.0 liters (39.6 US gal, 33 Imp. gal)
Front tires Ag: 16.9R30
Rear tires Ag: 18.4R46
Three-Point Hitch
Control type
Lift capacity (at ends) 6,230 kg (13,740 lbs)
6,885 kg (15,180 lbs) (optional)
Front Hitch
CategoryIIIN (optional)
Lift capacity (at ends)5,000 kg (11,000 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent with hydraulic wet disc clutch
Rear PTO speed1000 (1.75) or 540/1000 (1.375 optional) rpm
Hydraulic system
Hydraulic typeClosed center pressure-flow compensated (PFC)
Hydraulic capacity 140.0 L (37 US. gal, 30.8 Imp. gal.)
ILS: 150.0 liters (39.6 US gal, 33 Imp. gal)
Pressure2900 psi (199.9 bar)
SCV flow30.0 gpm (113.6 lpm)
Total flow 33.5 gpm (126.8 lpm)
42.5 gpm (160.9 lpm) – optional
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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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