1)Adopt German advanced technology, high strength engine block, crankshaft, connecting rod, cylinder head, diesel engine overhaul period 12000h. 2) Spare parts are well stocked and easy to maintain. 3) The LCD Internet instrument can be selected to monitor the engine operation parameters in real time and realize automatic alarm and shutdown. 4) It is applicable to main engines of passenger ships, cargo ships, official ships, fishing boats, tourist ships, etc.