John Deere’s F8 and F9 forage harvesters offer more engine options, automation, and design updates to improve forage ...

The John Deere S-Series Combines include five models: S550, S660, S670, S680 and S690, which is an all-new Class 9 machine. The 400-bushel grain tank (standard on S680 and S690) is the largest ...

The John Deere 8R Series has a new flagship model in the form ... It has also upgraded the piston design to deliver a better air-to-fuel mixture. This, in turn, has improved fuel consumption ...