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 ...

This tractor of the month, 1975 JOHN DEERE 830 DIESEL, is owned by Christian Dilick, Kittanning, PA. The tractor was originally purchased brand new in 1975 by William S. Dilick. William sold it ...

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 ...

Caterpillar and Deere are two of the largest heavy-equipment manufacturers in the world. Although the two companies make heavy equipment, their primary product offering is quite different.