John Deere 9420
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| Production | |
| Manufacturer | John Deere |
| Four-wheel Drive (4WD) tractor | |
| Built in Waterloo, Iowa, USA | |
| Variants | |
| 9420T | crawler tractor |
| John Deere 9420 Engine | |
| John Deere 12.5L 6-cyl diesel | |
 Engine details ... |
| John Deere 9420 Transmissions | |
| 24-speed partial power shift | |
| 18-speed full power shift | |
 Transmission details ... |
| John Deere 9420 Power | |
| Engine | 425 hp 316.9 kW |
| PTO (claimed) | 316 hp 235.6 kW |
| Drawbar (tested) | 345.00 hp 257.3 kW |
| PTO (tested) | 312.25 hp 232.8 kW |
 Performance test details ... | |
| Mechanical | |
| Four-wheel drive | |
| Steering | hydrostatic articulated |
| Hydraulic wet disc brakes | |
| CommandView cab standard with air-conditioning. | |
| Photos | |
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 John Deere 9420 photos... | |
| Capacity | |
| Fuel | 270 gal 1022.0 L |
| Hydraulic system | 27 gal 102.2 L |
| 28 gal (with 3pt) 106.0 L | |
| 30 gal (hi-flow) 113.6 L | |
| 31 gal (hi-flow/3pt) 117.3 L | |
| Hydraulics | |
| Type | closed center pressure/flow compensated |
| Capacity | 27 gal 102.2 L |
| 28 gal (with 3pt) 106.0 L | |
| 30 gal (hi-flow) 113.6 L | |
| 31 gal (hi-flow/3pt) 117.3 L | |
| Pressure | 2900 psi 200.0 bar |
| Valves | 4 or 5 |
| Pump flow | 30 gpm 113.6 lpm |
| Total flow | 44 gpm 166.5 lpm |
| 48 gpm (Powershift) 181.7 lpm | |
| 78 gpm (hi-flow) 295.2 lpm | |
| Tractor hitch | |
| Rear Type | III |
| IV/IVN | |
| Rear lift | 13,871 lbs 6291 kg |
| 14,445 lbs (optional) 6552 kg | |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 1000 |
| Dimensions & Tires | |
| Wheelbase | 137.8 inches 350 cm |
| Weight | 34870 to 37246 pounds |
| Front tire | 710/70R42 |
| Rear tire | 710/70R42 |
 Full dimensions and tires ... | |
| 9420 Serial Numbers | |
| Location: | On the top-left of rear hinge member |
| 2002 | 1001 |
| 2003 | 10001 |
| 2004 | 20001 |
| 2005 | 30001 |
| 2006 | 40001 |
| 2007 | 50001 |
FAQ: How to read a serial number table. | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 140 |
| Batteries | 3 |
| Battery CCA | 925 |
| Battery volts | 12 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 20, 2014 | |
| http://techpubs.deere.com/ - Official operator manuals for purchase or download from Deere. |