John Deere has launched its most powerful tractor yet, cranking the output of its flagship 9RX artic up to a heady 913hp. The performance boost has been made possible by upsizing to an 18-litre engine ...

John Deere has given its huge 9R, 9RX and 9RT tractors a long-awaited birthday, with improvements including more power and an updated cab. For the biggest wheeled 9R and four-track 9RX 640 models, ...

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This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

John Deere has made plenty of big machinery in the past, but this one is the green-and-yellow’s largest ever. It’s called the 9RX 830, and thanks to its 18-liter turbodiesel engine, it’s also the most ...