John Deere 8420 Price, Reviews, Specs, Engine Oil Capacity, Weight, Serial Numbers, Attachments, Features & Pictures
John Deere 8420 Row-Crop Tractor is equipped with a John Deere turbocharged diesel 6-cylinder liquid-cooled inline 496 ci [8.1 L] engine, which delivers 270 hp [201.3 kW] power at rated rpm 2200.
This Tractor featured with a John Deere 8.1L 6-cyl diesel engine, 4×4 MFWD 4WD, hydrostatic power steering, 15180 lbs [6885 kg] Rear lift, 21650 to 23780 pounds weight, and hydraulic wet disc brakes.
Now, let’s find out the Row-Crop Tractor Price, Parts Specs, Reviews, Serial numbers & Images.
John Deere 8420 Price

John Deere 8420 Original Price: NA
John Deere 8420 Specs
8420 Serial Numbers |
|
Year | Serial number |
2002: | 1001 |
2003: | 10001 |
2004: | 20001 |
2005: | 30001 |
John Deere 8420 Engine
Engine | John Deere turbocharged diesel 6-cylinder liquid-cooled inline 496 ci [8.1 L] |
Bore/Stroke: | 4.56×5.06 inches [116 x 129 mm] |
Emissions: | Tier II |
Rated Power (ECE R24): | 270 hp [201.3 kW] |
Rated Power (EC 97/98): | 284 hp [211.8 kW] |
Maximum Power (ECE R24): | 300 hp [223.7 kW] |
Maximum Power (EC 97/68): | 314 hp [234.1 kW] |
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 |
Oil capacity: | 28.5 qts [27.0 L] |
Oil change: | 250 h |
Coolant capacity: | 35.9 qts [34.0 L] |
Capacity
Fuel: | 160 gal [605.6 L] |
Hydraulic system: | 37 gal [140.0 L] |
ILS Hydraulic system: | 39.6 gal [149.9 L] |
Front hubs: | 3.6 qts [3.4 L] |
ILS Front hubs: | 4.2 qts [4.0 L] |
Front diff.: | 14.2 qts [13.4 L] |
3 Point Hitch
Rear Type: | III/IIIN |
Rear lift: | 15180 lbs [6885 kg] |
17300 lbs [7847 kg] * | |
Front Hitch: | IIIN* |
Front lift: | 11000 lbs [4989 kg] |
Power
Engine (gross): | 284 hp [211.8 kW] |
Engine (net): | 270 hp [201.3 kW] |
Engine (max): | 314 hp [234.1 kW] |
PTO (claimed): | 235 hp [175.2 kW] |
Drawbar (tested): | 207.49 hp [154.7 kW] |
PTO (tested): | 269.41 hp [200.9 kW] |
Mechanical
Chassis: | 4×4 MFWD 4WD |
Steering: | hydrostatic power |
Brakes: | hydraulic wet disc |
Trailer brakes: | hydraulic* |
Cab: | Cab standard. |
John Deere 8420 Transmission
Transmission: | John Deere PowerShift |
Type: | full power shift |
Gears: | 16 forward and 4 reverse |
Clutch: | hydraulic wet disc |
Oil capacity: | 148 qts [140.1 L] |
158.4 qts [149.9 L] (ILS) |
Hydraulics
Type: | closed center pressure-flow compensated (PFC) |
Capacity: | 37 gal [140.0 L] |
ILS Capacity: | 39.6 gal [149.9 L] |
Pressure: | 2900 psi [200.0 bar] |
Valves: | 4 to 5 |
SCV flow: | 30 gpm [113.6 lpm] |
Total flow: | 33.5 gpm [126.8 lpm] * |
42.5 gpm [160.9 lpm] * |
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 Dimensions
Weight (shipping): | 21,650 lbs [9820 kg] |
ILS Weight (shipping): | 23,050 lbs [10455 kg] |
Weight (operating): | 23,780 lbs [10786 kg] (480/80R46 duals) |
Drawbar capacity: | 3,900 lbs [1769 kg] (Cat 3 extended) |
6,070 lbs [2753 kg] (Cat 3 short) | |
10,000 lbs [4536 kg] (Cat 4) | |
Wheelbase: | 118.9 inches [302 cm] |
117.7 inches [298 cm] (ILS) | |
Length: | 211.9 inches [538 cm] |
Height (cab): | 122.2 inches [310 cm] |
Front axle: | 4WD Independent Link Suspension (ILS) |
Rear axle: | Rack-and-pinion: 4.331 by 118.5 inches [110×3009 mm] Rack-and-pinion: 4.724 by 118.5 inches [119×3009 mm] |
4WD [152 to 203 cm] 4WD} 60 to 88 inches {ILS} [152 to 223 cm] {ILS} Front tread: |
60 to 80 inches |
John Deere 8420 Tires
Ag front: | 16.9R30 |
Ag rear: | 18.4R46 |
John Deere 8420 Weight |
|
Shipping: | 21,650 lbs 9820 kg |
ILS Shipping: | 23,050 lbs 10455 kg |
Operating: | 23,780 lbs 10786 kg (480/80R46 duals) |
Max Drawbar: | 3,900 lbs 1769 kg (Cat 3 extended) |
6,070 lbs 2753 kg (Cat 3 short) |
|
10,000 lbs 4536 kg (Cat 4) |
Electrical
Ground: | negative |
Charging system: | alternator |
Charging amps: | 150 |
Battery
Number: | 2 |
Cold-cranking amps: | 925 |
Volts: | 12 |
John Deere 8420 Attachments
Weight (shipping): | 21,650 lbs [9820 kg] |
ILS Weight (shipping): | 23,050 lbs [10455 kg] |
Weight (operating): | 23,780 lbs [10786 kg] (480/80R46 duals) |
Drawbar capacity: | 3,900 lbs [1769 kg] (Cat 3 extended) |
6,070 lbs [2753 kg] (Cat 3 short) | |
10,000 lbs [4536 kg] (Cat 4) | |
Wheelbase: | 118.9 inches [302 cm] |
117.7 inches [298 cm] (ILS) | |
Length: | 211.9 inches [538 cm] |
Height (cab): | 122.2 inches [310 cm] |
Front axle: | 4WD Independent Link Suspension (ILS) |
Rear axle: | Rack-and-pinion: 4.331 by 118.5 inches [110×3009 mm] Rack-and-pinion: 4.724 by 118.5 inches [119×3009 mm] |
4WD [152 to 203 cm] 4WD} 60 to 88 inches {ILS} [152 to 223 cm] {ILS} Front tread: |
60 to 80 inches |
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John Deere 8420 Review Video
Final Words
John Deere 8420 : 284 hp 211.8 kW
The John Deere 8420 has a turbocharged diesel 6-cylinder inline engine that is liquid-cooled and has a capacity of 496 cubic inches, or 8.1 liters.
The fuel tank capacity of the John Deere 8420 is 160 gallons or 605.6 liters.
The engine of the John Deere 8420 has 6 cylinders
The John Deere 8420 has an oil capacity of 27.0 liters (28.5 quarts) .
Yes, the John Deere 8420 is a 4WD tractor.

My name is Ranjitsinh Mantri founder of this blog and I am a full-time blogger writing is my passion. Just before 4 years ago We started this website in 2019 with my team to share our knowledge about tractor models and its prices guide on the internet.