The John Deere 66 transmission listing shows 24F/24R gears, 24-speed, 12-speed, and 16-speed. Top forward speed is 24.9 mph. Transmission options include IVT, AutoQuad Plus, AutoQuad, PowrQuad Plus, PowrQuad, and PowerShift.
Forward/reverse gears24F/24R
Forward speed40 km/h
Transmission optionsIVT, AutoQuad Plus, AutoQuad, PowrQuad Plus + 2 more
The John Deere 66 transmission listing includes 24F/24R forward/reverse gears, 24-speed, 12-speed, and and 16-speed transmission figures. That is stronger than a vague transmission label because it gives real gear-count detail
Speed note
The available speed figure for the John Deere 66 is 24.9 mph forward. Reverse speed was not captured cleanly in this row
Options note
The John Deere 66 option list includes IVT, AutoQuad Plus, AutoQuad, PowrQuad Plus, 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.
