John Deere 8420 Specs, Price, Attachments Information
John Deere 8420 Specs: The John Deere 8420 is a powerful row-crop tractor with a 175-299 horsepower range. The price of a used John Deere 8420 is USD 49,500, depending on the condition, hours, and features of the tractor.
The tractor is equipped with a 8.1 L, 8,128 cm2, six-cylinder turbocharged diesel engine, providing 235 horsepower. Below are the key Specs, price, Weight, Horsepower, and details about the John Deere 8420:
John Deere 8420 Specs
Production |
|
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
John Deere 8420 Serial Numbers |
|
| Location: | Serial number plate on rear of tractor. |
| 2002: | 1001 |
| 2003: | 10001 |
| 2004: | 20001 |
| 2005: | 30001 |
John Deere 8420 Variants |
|
| 8420: | wheeled tractor |
| 8420T: | crawler |
John Deere 8420 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 |
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John Deere 8420 Engine Detail |
|
| John Deere | |
| turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| Displacement: | 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 |
| Coolant capacity: | 35.9 qts 34.0 L |
John Deere 8420 Mechanical |
|
| Chassis: | 4×4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Trailer brakes: | hydraulic* |
| Cab: | Cab standard. |
| Transmission: | 16-speed full power shift |
John Deere 8420 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 |
John Deere 8420 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 * |
|
John Deere 8420 Tractor hitch |
|
| Rear Type: | III/IIIN |
| Rear lift: | 15180 lbs 6885 kg |
| 17300 lbs 7847 kg * |
|
| Front Hitch: | IIIN* |
| Front lift: | 11000 lbs 4989 kg |
John Deere 8420 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 Dimensions & Tires |
|
| Wheelbase: | 118.9 inches 302 cm |
| 117.7 inches 298 cm (ILS) |
|
| Weight: | 21650 to 23780 pounds |
| Front tire: | 16.9R30 |
| Rear tire: | 18.4R46 |
John Deere 8420 Electrical |
|
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
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) |
|
John Deere 8420 Tires |
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| Ag front: | 16.9R30 |
| Ag rear: | 18.4R46 |
John Deere 8420 Dimensions |
|
| 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 |
| Front axle: | Independent Link Suspension |
| Rear axle: | Rack-and-pinion: 4.331 by 118.5 inches 110 by 3009 mm |
| Rear axle: | Rack-and-pinion: 4.724 by 118.5 inches 119 by 3009 mm |
| 4WD Front tread: | 60 to 80 inches 152 to 203 cm |
| ILS Front tread: | 60 to 88 inches 152 to 223 cm |
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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) |
|
John Deere 8420 Loader Attachments
| Attachment | Description |
|---|---|
| 200 Series Bucket | A general purpose bucket for digging, loading, and grading. |
| 300 Series Bucket | A heavy-duty bucket for tough digging and loading applications. |
| 400 Series Bucket | A high-capacity bucket for maximum productivity. |
| Backhoe | A versatile attachment for digging trenches, footings, and other excavations. |
| Grapple | A grappling attachment for picking up and moving large objects. |
| Landscape Rake | A landscaping attachment for grading, raking, and leveling soil. |
| Pallet Forks | A pallet fork attachment for moving pallets and other materials. |
| Snow Blower | A snow blower attachment for clearing snow from driveways, sidewalks, and parking lots. |
| Trencher | A trencher attachment for digging trenches for pipes, cables, and other underground utilities. |