John Deere 8420 Tractor (2005)
Manufacturer:John Deere
Price:N/A
Series:8020 Series
Model:8420
Equipment Type: Row-Crop Tractors
Factory:Waterloo, Iowa, USA
Full Specifications
OCED TRACTOR TEST 1800 2
- Description
- Diesel 16-speed 4WD May 7 - 31, 2002 Link: OCED Tractor Test 1800 file PTO performance Drawbar performance Gear 8 used for power test Gear 3 used for pull test
- Max power
- 207.49hp / 154.7kW
- Fuel use
- 13.6gal hour / 51.5l hour
- Power at rated engine speed
- 235.45hp / 175.6kW
- Max pull
- 29,964lbs / 13591kg
JOHN DEERE 8420 POWER
- Engine (gross)
- 284hp / 211.8kW
- Engine (net)
- 270hp / 201.3kW
- Engine (max)
- 314hp / 234.1kW
- PTO (claimed)
- 235hp / 175.2kW
- Drawbar (tested)
- 207.49hp / 154.7kW
- PTO (tested)
- 269.41hp / 200.9kW
ENGINE DETAIL
- Description
- John Deere turbocharged diesel 6-cylinder liquid-cooled inline
- Displacement
- 496ci / 8.1L
- Bore/Stroke
- 4.56x5.06inches / 116x 129mm
- Emissions
- Tier II
- Rated Power (ECE R24)
- 270hp / 201.3kW
- Rated Power (EC 97/98)
- 284hp / 211.8kW
- Maximum Power (ECE R24)
- 300hp / 223.7kW
- Maximum Power (EC 97/68)
- 314hp / 234.1kW
- Fuel system
- electronic high-pressure common rail (HPCR)
- Air cleaner
- dry with secondary element
- Compression
- 16.5:1
- Rated RPM
- 2200
- Idle RPM
- 900-2300
- Operating RPM
- 1500-2200
- Starter volts
- 12
- Coolant capacity
- 35.9qts / 34.0L
ENGINE OIL
- Oil capacity
- 28.5qts / 27.0L
- Oil change
- 250 h
JOHN DEERE 8420 ENGINE
- Description
- John Deere 8.1L 6-cyl diesel
TRANSMISSION
- Transmission
- John Deere PowerShift
- Type
- full power shift
- Gears
- 16 forward and 4 reverse
- Clutch
- hydraulic wet disc
- Oil capacity
- 148qts / 140.1L 158.4qts / 149.9L (ILS)
- Description
- Full power shift transmission with single shift lever with display on cab corner post. Tractor begins in 7 (forward) and 2 (reverse) on start up. Clutch pedal may be used to pre-select a gear by holding clutch and pressing lever until desired gear is reached. Automatic PowerShift (APS) allows automated shifting to match load
SPEEDS
- Description
- With 18.4R46 rear tires
MECHANICAL
- Chassis
- 4x4 MFWD 4WD
- Steering
- hydrostatic power
- Brakes
- hydraulic wet disc
- Trailer brakes
- hydraulic
- Cab
- Cab standard
- Transmission
- 16-speed full power shift
CAPACITY
- Fuel
- 160gal / 605.6L
- Hydraulic system
- 37gal / 140.0L
- ILS Hydraulic system
- 39.6gal / 149.9L
- Front hubs
- 3.6qts / 3.4L
- ILS Front hubs
- 4.2qts / 4.0L
- Front diff.
- 14.2qts / 13.4L
HYDRAULICS
- Type
- closed center pressure-flow compensated (PFC)
- Capacity
- 37gal / 140.0L
- ILS Capacity
- 39.6gal / 149.9L
- Pressure
- 2900psi / 200.0bar
- Valves
- 4 to 5
- SCV flow
- 30gpm / 113.6lpm
- Total flow
- 33.5gpm / 126.8lpm *With standard 45cc pump 42.5gpm / 160.9lpm 57cc pump
TRACTOR HITCH
- Rear Type
- III/IIIN
- Rear lift
- 15180lbs / 6885kg 17300lbs / 7847kg
- Front Hitch
- IIIN
- Front lift
- 11000lbs / 4989kg
POWER TAKE-OFF (PTO)
- Rear PTO
- independent
- Clutch
- hydraulic wet discs
- Rear RPM
- 1000 (1.75)/540/1000 (1.375 optional)
- Engine RPM
- 540@1975 / 1000@2200
JOHN DEERE 8420 TIRES
- Ag front
- 16.9R30
- Ag rear
- 18.4R46
DIMENSIONS
- Wheelbase
- 118.9inches / 302cm 117.7inches / 298cm (ILS)
- Length
- 211.9inches / 538cm
- Height (cab)
- 122.2inches / 310cm
- Front axle
- Independent Link Suspension
- Rear axle
- Rack-and-pinion: 4.724 by 118.5inches / 119by 3009mm
- 4WD Front tread
- 60 to 80inches / 152to 203cm
- ILS Front tread
- 60 to 88inches / 152to 223cm
JOHN DEERE 8420 WEIGHT
- Shipping
- 21,650lbs / 9820kg
- ILS Shipping
- 23,050lbs / 10455kg
- Operating
- 23,780lbs / 10786kg (480/80R46 duals)
- Max Drawbar
- 3,900lbs / 1769kg (Cat 3 extended) 6,070lbs / 2753kg (Cat 3 short) 10,000lbs / 4536kg (Cat 4)
DIMENSIONS & TIRES
- Wheelbase
- 118.9inches / 302cm 117.7inches / 298cm (ILS)
- Weight
- 21650 to 23780 pounds
- Front tire
- 16.9R30
- Rear tire
- 18.4R46
8420 SERIAL NUMBERS
- Location
- Serial number plate on rear of tractor
- 2002
- 1001
- 2003
- 10001
- 2004
- 20001
- 2005
- 30001
ELECTRICAL
- Ground
- negative
- Charging system
- alternator
- Charging amps
- 150
- Batteries
- 2
- Battery CCA
- 925
- Battery volts
- 12
About John Deere Tractor
The 8420 model tractor is part of John Deere's 9R line of tractors. The 8420 is a Row-Crop Tractors type, which is used often in Agriculture Tractors. A engine powers the 8420 tractor. This arrangement is more practical in the real world.
