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 tractor is part of the John Deere's 8020 Series. The 8420 is a Row-Crop Tractors type, which is used mainly in Agriculture Tractors. The engine of the 8420 tractors is impressive. This arrangement more usability in the real world.

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