The John Deere 990 transmission listing shows 9-speed. Top travel speed is 24.9 mph forward and 18.6 mph reverse. Transmission options include AutoPowr, IVT, DirectDrive, CommandQuad, AutoQuad, and PowrQuad.
Gear count9-speed
Forward speed40 km/h
Reverse speed30 km/h
Transmission optionsAutoPowr, IVT, DirectDrive, CommandQuad + 3 more
For the John Deere 990, the main transmission numbers captured here are a 9-speed transmission figure. These are the specs buyers usually compare first because they show the usable gearing range
Speed note
The John Deere 990 speed data lists 24.9 mph forward and 18.6 mph reverse. Reverse speed is lower than forward speed in the captured data
Options note
Transmission options captured for the John Deere 990 include AutoPowr, IVT, DirectDrive, CommandQuad, AutoQuad, PowrQuad, PowerShift. The long option list usually means this model family had multiple transmission packages across trims, years or markets
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.
