... , Ricardo diesel engine THE SPECIFICATIONS OF THE ENGINE: 1.The rated speed:1500rpm,four-strokes, water-cooling system,up to the ... ,R6105ZD,R6105ZLD,R6105AZLD,R6105IZLD,6113ZLD.4.The charactor of the engine: (1)High efficiency,low exhaust,good start addiciency. ( ... soundproof type,automatic type.4.Automatic alarm system:the unit has the acousto-optics alarm system and arrestor for any situation asthe ...