retento -... did not need any duals on either end for traction You put duals on the back for the ride. It made all the difference in the world having duals on back to widen the track. My cousin famed with us several years and had a 3588. When he first got it we tried running with no duals. I almost got seasick from the side to side motion.I loved to concept of the 2+2 but IH was just getting the bugs worked out when Case bought them and shut the model down. | 
international 2+2 question
