Cummins engine Model Rated Power&speed (kw/rpm) Max Power&speed (kw/rpm) Air intake method cummins marine diesel engine Cummins diesel marine 6BT5.9-M120 90/2200 100/2270 Turbocharged cummins marine engine Cummins diesel marine 6BTA5.9-M150 110/2200 120/2270 Turbocharged and intercooled cummins marine engine All of the engine are with CCS IMO certificates! cummins marine engine. Cummins diesel marine 6BTA5.9-M150.