The side mount bolt on ARK Xtreme Off-Road Swing-Up Trailer Jack # ORJW750D has a similar height adjustment to the Ultimate Trailer Jack # 322-RDJ-2K. The ARK jack does have a dual wheel and 1,650lb capacity versus the plate and 2,000lb capacity of the Ultimate jack. The ARK does have the ability to swivel as we do not have exact equivalent jack like the Ultimate that bolts on the side frame. view full answer...