美国恩派克液压双作用油缸千斤顶，RR系列

主要型号有：RR-1010、RR-1012、RR-308、RR-3014、RR-506、RR-5013、RR-5020、RR-756、RR-7513、RR-1006、RR-10013、RR-10018、RR-1502、RR-1506、RR-15013、RR-15032、RR-2006、RR-20013、RR-20018、RR-20024、RR-20036、RR-20048、RR-3006、RR-30048、RR-4006、RR-40012、RR-40018、RR-40024、RR-40036、RR-40048、RR-5006、RR-50012、RR-50018、RR-50024、RR-50036、RR-50048.

配套鞍座型号有：A-102F、CAT-10、CAT-50、CAT-100、A-102G、A-252G。