Pair Cummins QSL9 Marine engines – 405HP @ 2100 RPM Running Take outs – well maintained Hours are closer to 15,000 hours according to owner.. said they installed Hobbs hour meters on units when the Cummins panels hit 9,999 and rolled over. ? running in boat since 2005-2006 ? running great just upgrading fleet. has swing units already purchased and clearing them out ? good captains run engines at 1850-1950 rpm / get about 18 knt from boat at that rpm ? maybe 14-15,000 hours ? never opened up the engines because maintenance is so good. Just serviced, oil changes, accessories etc.. Price is for the pair.