The John Deere 9R 390 transmission listing shows 24F/24R gears and 18-speed. Top travel speed is 24.9 mph forward and 14.9 mph reverse. Transmission options include AutoPowr, IVT, CommandQuad, AutoQuad, PowrQuad, and PowerShift.
Forward/reverse gears24F/24R
Forward speed40 km/h
Reverse speed24 km/h
Transmission optionsAutoPowr, IVT, CommandQuad, AutoQuad + 3 more
For the John Deere 9R 390, the main transmission numbers captured here are 24F/24R forward/reverse gears and a 18-speed transmission figure. These are the specs buyers usually compare first because they show the usable gearing range
Speed note
The John Deere 9R 390 speed data lists 24.9 mph forward and 14.9 mph reverse. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions
Options note
Transmission options captured for the John Deere 9R 390 include 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 390 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.
