Quick answer:
The John Deere 4520 transmission listing shows 12F/12R gears and 12-speed. Top travel speed is 16 mph forward and 8 mph reverse. Transmission options include PowerShift, PowrReverser, Syncro-Range, eHydro, and hydrostatic.
Forward/reverse gears12F/12R
Forward speed16 mph
Reverse speed8 mph
Transmission optionsPowerShift, PowrReverser, Syncro-Range, eHydro + 1 more
Reverser/shuttlePowerReverser
John Deere 4520 Transmission Specs
| Forward/reverse gears | 12F/12R |
|---|---|
| Transmission gear count | 12-speed |
| Top forward speed | 16 mph |
| Top reverse speed | 8 mph |
| Transmission options | PowerShift, PowrReverser, Syncro-Range, eHydro, hydrostatic |
| Shuttle or reverser type | PowerReverser |
Transmission Speed Comparison Chart
Top forward speed comparison
Top reverse speed comparison
John Deere 4520 Extra Transmission Notes
| Gear note | The John Deere 4520 transmission listing includes 12F/12R forward/reverse gears and a 12-speed transmission figure. That is stronger than a vague transmission label because it gives real gear-count detail |
|---|---|
| Speed note | For travel-speed comparison, the John Deere 4520 is listed with 16 mph forward speed and 8 mph reverse speed. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions |
| Options note | The John Deere 4520 option list includes PowerShift, PowrReverser, Syncro-Range, eHydro, hydrostatic. The long option list usually means this model family had multiple transmission packages across trims, years or markets |
| Reverser note | The John Deere 4520 listing includes PowerReverser. That is a useful buyer detail for loader work, shuttling and frequent forward/reverse direction changes |
Official information note
Mistakes do happen. Transmission specs can change by year, trim, region, tire size and option package. Please check the operator manual, build sheet and official deere.com website for official information.







