The 9 Series Tractors are built to defy convention. With more engine horsepower (390 - 640 engine hp) and efficient FT4 engine technology, these machines welcome a good challenge.
9 Series Tractors, 9R 640
2023 John Deere 9R 640 - Articulated 4WD Tractors - Grand Forks - Dealership
2022 John Deere 9R 640 Tractors 425 or more HP for Sale
2023 Tractor Guide - John Deere - High-Horsepower
JOHN DEERE 9RX 640 Wide Track Working on Fall Tillage
John-Deere-9R-640-8532
John Deere Reveals Biggest Equipment, Technology Launch Ever
John Deere 9 Series tractors get an update for 2022
9R 640, 9R Series, Tractors
Used John Deere 9RX 640 for Sale - 67 Listings