... the Cummins designed midrange mechanical B/C/L Series engines,B/QSB/ISDe/ISLe series electronic engines,B/C/L series Natural ... industrial and construction equipments,generator sets,marine and agricultural machinery.B series·High fuel efficiency 20% fewer fuel consumption at ... excellent low-end torque·Compacted yet derable and dependable engine B series engine contains up to 40% fewer parts than ...