Quick answer:
The John Deere Z840A transmission listing shows 24F/24R gears and 24-speed. Top travel speed is 24.9 mph forward and 15.5 mph reverse. Transmission options include IVT, PowrQuad Plus, PowrQuad, and PowerShift.
Forward/reverse gears24F/24R
Forward speed40 km/h
Reverse speed25 km/h
Transmission optionsIVT, PowrQuad Plus, PowrQuad, PowerShift
John Deere Z840A Transmission Specs
| Forward/reverse gears | 24F/24R |
|---|---|
| Transmission gear count | 24-speed |
| Top forward speed | 24.9 mph |
| Top reverse speed | 15.5 mph |
| Transmission options | IVT, PowrQuad Plus, PowrQuad, PowerShift |
Transmission Speed Comparison Chart
Top forward speed comparison
Top reverse speed comparison
John Deere Z840A Extra Transmission Notes
| Speed note | The John Deere Z840A transmission speed listing gives 24.9 mph forward and 15.5 mph reverse. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions |
|---|---|
| Options note | The John Deere Z840A transmission-options field shows IVT, PowrQuad Plus, PowrQuad, PowerShift. That gives buyers a few transmission-package possibilities to check before comparing two used tractors |
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.







