John Deere 8420
|
|
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
| 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 |
| John Deere 8420 Engine | |
| John Deere 8.1L 6-cyl diesel | |
 Engine details ... |
| Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Trailer brakes: | hydraulic*Optional |
| Cab: | Cab standard. |
| Transmission: | 16-speed full power shift |
 Transmission details ... | |
| Photos | |
 | |
 John Deere 8420 photos... | |
| 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 |
| 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 *With standard 45cc pump |
| 42.5 gpm 160.9 lpm *Optional 57cc pump | |
| Tractor hitch | |
| Rear Type: | III/IIIN |
| Rear lift: | 15180 lbs 6885 kg |
| 17300 lbs 7847 kg *Optional | |
| Front Hitch: | IIIN*Optional |
| Front lift: | 11000 lbs 4989 kg |
| 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 |
| 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 |
 Full dimensions and tires ... | |
| 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 |
| Page information | |
| Last update: | May 27, 2015 |
| Copyright: | Copyright 2021 TractorData LLC |
| Contact: | Peter@TractorData.com |