Search for used pioneer crushers. Find Kpi-Jci, Kolberg, and Peerless for sale on Machinio. . – one – Pioneer Model 2134 Hammermill Crusher, 12" x 19" feed opening; . good condition but will need a little work to put it to work. Pulls well down the road and has new tires. 19,000. Williston, ND, USA .