John Deere 9620RX with track beltsAs demands to modern farms are ever increasing, it is more than important nowadays to boost your machine's output. The 9620RX is John Deere's most powerful and largest crawler drive tractor. Thanks to an engine output of up to 670 hp and its four crawler drives, providing it with stunning tractive power and simultaneously the best possible protection for the soil, this vehicle is the perfect partner when heavy duty pulling using attachments, such as