Quick answer:
The John Deere 840 transmission listing shows 16F/8R gears, 8-speed, and 16-speed. Top travel speed is 24.9 mph forward and 9.9 mph reverse. Transmission options include PowerShift and collar shift.
Forward/reverse gears16F/8R
Forward speed40 km/h
Reverse speed16 km/h
Transmission optionsPowerShift, collar shift
John Deere 840 Transmission Specs
| Forward/reverse gears | 16F/8R |
|---|---|
| Transmission gear count | 8-speed; 16-speed |
| Top forward speed | 24.9 mph |
| Top reverse speed | 9.9 mph |
| Transmission options | PowerShift, collar shift |
| Transmission type | PowerShift |
Transmission Speed Comparison Chart
Top forward speed comparison
Top reverse speed comparison
John Deere 840 Extra Transmission Notes
| Speed note | The John Deere 840 transmission speed listing gives 24.9 mph forward and 9.9 mph reverse. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions |
|---|---|
| Options note | The John Deere 840 transmission-options field shows PowerShift, collar shift. 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.







