assay lab equipment crushers. NEW AND USED LAB CRUSHERS FOR SALE. Nelson Machinery sells new, used, refurbished, and unused Lab Size Jaw Crushers worldwide. Buy jaw crushers with hoppers, ore pans, and mounted on bases or operating frames. ... 10 HP Motor 230/460 V, 1745 RPM. C0984 (1) CUSTOM BUILT HAMMERMILL.