John Deere 4020 Tractor Operators Manual (SN# 91000-200999) (Hi Gas, LP and Diesel)
| Country | USA |
| Brand | Haynes Manuals N. America, Inc. |
| Manufacturer | Haynes Manuals N. America, Inc. |
| Binding | Paperback |
| ReleaseDate | 1989-06-01 |
| UnitCount | 1 |
| EANs | 9780872883604 |