The John Deere 4066M transmission listing shows 12-speed. Top travel speed is 18.5 mph forward and 12.4 mph reverse. Transmission options include AutoPowr, IVT, CommandQuad, AutoQuad, PowrQuad, and PowerReverser.
Gear count12-speed
Forward speed29.8 km/h
Reverse speed20 km/h
Transmission optionsAutoPowr, IVT, CommandQuad, AutoQuad + 3 more
The useful gear data for the John Deere 4066M is a 12-speed transmission figure. This is the part of the transmission page that matters most for comparison shopping
Speed note
Speed-wise, the John Deere 4066M data shows 18.5 mph going forward and 12.4 mph in reverse. Reverse speed is lower than forward speed in the captured data
Options note
The listed transmission choices for the John Deere 4066M include AutoPowr, IVT, CommandQuad, AutoQuad, PowrQuad, PowerReverser, hydrostatic. The long option list usually means this model family had multiple transmission packages across trims, years or markets
Reverser note
The John Deere 4066M 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.
