The John Deere 4640 transmission listing shows 8F/4R gears, 16-speed, and 8-speed. Top travel speed is 18.5 mph forward and 10.5 mph reverse. Transmission options include PowerShift and Quad-Range.
Forward/reverse gears8F/4R
Forward speed29.8 km/h
Reverse speed16.9 km/h
Transmission optionsPowerShift, Quad-Range
John Deere 4640 Transmission Specs
Forward/reverse gears
8F/4R
Transmission gear count
16-speed; 8-speed
Top forward speed
18.5 mph
Top reverse speed
10.5 mph
Transmission options
PowerShift, Quad-Range
Transmission Speed Comparison Chart
Top forward speed comparison
This model
18.5 mph
Average
17.9 mph
Low
1.6 mph
High
31.1 mph
Top reverse speed comparison
This model
10.5 mph
Average
11.4 mph
Low
1.7 mph
High
31.1 mph
John Deere 4640 Extra Transmission Notes
Speed note
The John Deere 4640 transmission speed listing gives 18.5 mph forward and 10.5 mph reverse. Reverse speed is noticeably lower than forward speed, which is common on many tractor transmissions
Options note
The John Deere 4640 transmission-options field shows PowerShift, Quad-Range. That gives buyers a few transmission-package possibilities to check before comparing two used tractors
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.
