The John Deere 9RX 770 transmission listing shows 21-speed. Top travel speed is 25 mph forward and 15 mph reverse. Transmission options include AutoPowr IVT, AutoPowr, IVT, CommandQuad, AutoQuad, and PowrQuad.
Gear count21-speed
Forward speed40.2 km/h
Reverse speed24.1 km/h
Transmission optionsAutoPowr IVT, AutoPowr, IVT, CommandQuad + 4 more
For the John Deere 9RX 770, the main transmission numbers captured here are a 21-speed transmission figure. These are the specs buyers usually compare first because they show the usable gearing range
Speed note
The John Deere 9RX 770 speed data lists 25 mph forward and 15 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 9RX 770 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 9RX 770 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.
