| Production | |
| Manufacturer | John Deere |
| Agricultural Crawler tractor | |
| Built in Waterloo, Iowa, USA | |
| Variants | |
| 9420 | wheeled tractor |
| John Deere 9420T Engine | |
| John Deere 12.5L 6-cyl diesel | |
| John Deere 9420T Transmissions | |
| 18-speed full power shift | |
| 24-speed partial power shift | |
| John Deere 9420T Power | |
| Engine | 425 hp 316.9 kW |
| PTO (claimed) | 302 hp 225.2 kW |
| Drawbar (tested) | 323.43 hp 241.2 kW |
| PTO (tested) | 346.53 hp 258.4 kW |
| Mechanical | |
| Drive | crawler |
| Steering | electro-hydraulic power |
| Hydraulic wet disc brakes | |
| Cab standard. | |
| Photos | |
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| Capacity | |
| Fuel | 320 gal 1211.2 L |
| Hydraulic system | 27 gal 102.2 L |
|   | 27.5 gal (with 3-pt) 104.1 L |
| Hydraulics | |
| Type | closed center pressure/flow compensated |
| Capacity | 27 gal 102.2 L |
|   | 27.5 gal (with 3-pt) 104.1 L |
| Pressure | 2900 psi 200.0 bar |
| Valves | 4 or 5 |
| Pump flow | 30 gpm (one SCV) 113.6 lpm |
| Total flow | 44 gpm (PowrSync) 166.5 lpm |
|   | 48 gpm (Powershift) 181.7 lpm |
| Tractor hitch | |
| Rear Type | III, IV/IVN |
| Rear lift | 13,871 lbs 6291 kg |
|   | 14,445 lbsOptOptional 6552 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 1000 |
| Dimensions & Tracks | |
| Wheelbase | 111 inches 281 cm |
| Weight | 39,000 lbs 17690 kg |
| 30-inch tracks | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 140 |
| Batteries | 3 |
| Battery CCA | 925 |
| Battery volts | 12 |
| References | |
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| 8020T/9020T Series published in 2003, by John Deere | |
| Operator's Manual 9320T, 9420T, 9520T and 9620T (OMAR288229) published in 2006 |
| 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 September 1, 2023 | |
| http://techpubs.deere.com/ - Official operator manuals for purchase or download from Deere. |