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 ...

John Deere’s new 9RX 830 is the biggest, most powerful and most expensive tractor ever to go into series production. In pure horsepower terms, it can be bettered only by the 1,100hp custom-built Big ...

This John Deere 830 diesel, which belonged to a Littlestown, Pa., collector, sold for $15,500 on Oct. 4. The online auction also featured more than 20 other John Deere tractors, a few Farmall and ...

What happens when you get a new tractor? This video takes you inside the new John Deere 830, showing you its first test in the field and how it performs under pressure.