A dual tandem pump apparatus having a pair of coaxially arranged pump shafts and a separate input shaft that is not coaxial with the pump shafts. The trunnion arms for the two pumps may be mounted in different locations to increase application flexibility. Charge pumps may be mounted on end caps secured...http://www.google.com/patents/US7056101?utm_source=gb-gplus-sharePatent US7056101 - Inline tandem pump
