Quick answer:
The John Deere 9R 640 transmission listing shows 18F/6R gears and 18-speed. Top travel speed is 24.9 mph forward and 14.9 mph reverse. Transmission options include AutoPowr IVT, AutoPowr, IVT, CommandQuad, AutoQuad, and PowrQuad.
Forward/reverse gears18F/6R
Forward speed40 km/h
Reverse speed24 km/h
Transmission optionsAutoPowr IVT, AutoPowr, IVT, CommandQuad + 4 more
Reverser/shuttlePowerReverser
John Deere 9R 640 Transmission Specs
| Forward/reverse gears | 18F/6R |
|---|---|
| Transmission gear count | 18-speed |
| Top forward speed | 24.9 mph |
| Top reverse speed | 14.9 mph |
| Transmission options | AutoPowr IVT, AutoPowr, IVT, CommandQuad, AutoQuad, PowrQuad, PowerShift, PowerReverser |
| Shuttle or reverser type | PowerReverser |
Transmission Speed Comparison Chart
Top forward speed comparison
Top reverse speed comparison
John Deere 9R 640 Extra Transmission Notes
| Gear note | The useful gear data for the John Deere 9R 640 is 18F/6R forward/reverse gears and a 18-speed transmission figure. This is the part of the transmission page that matters most for comparison shopping |
|---|---|
| Speed note | Speed-wise, the John Deere 9R 640 data shows 24.9 mph going forward and 14.9 mph in reverse. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions |
| Options note | The listed transmission choices for the John Deere 9R 640 include AutoPowr IVT, AutoPowr, IVT, CommandQuad, AutoQuad, PowrQuad, PowerShift, PowerReverser. The long option list usually means this model family had multiple transmission packages across trims, years or markets |
| Reverser note | The John Deere 9R 640 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.
