WD12(WD618)系(xi)列柴油(you)(you)(you)機(ji)(ji)是在WD615C基(ji)礎(chu)上增(zeng)加(jia)了(le)氣(qi)缸的行(xing)(xing)程,進(jin)行(xing)(xing)優(you)化設計開(kai)發的高(gao)大(da)功(gong)率(lv)船用(yong)(yong)(yong)柴油(you)(you)(you)機(ji)(ji),具有結(jie)構緊湊、體積小、質(zhi)量(liang)輕、低速(su)扭矩大(da)、升功(gong)率(lv)和扭矩儲率(lv)高(gao)、噪聲小、可靠耐久(jiu)、使用(yong)(yong)(yong)保養方(fang)便等顯著優(you)點; 柴油(you)(you)(you)機(ji)(ji)冷(leng)卻(que)(que)系(xi)統采用(yong)(yong)(yong)內(nei)外雙循(xun)環(huan)水(shui)(shui)冷(leng)方(fang)式,內(nei)循(xun)環(huan)用(yong)(yong)(yong)淡(dan)水(shui)(shui)對(dui)柴油(you)(you)(you)機(ji)(ji)進(jin)行(xing)(xing)冷(leng)卻(que)(que),外循(xun)環(huan)用(yong)(yong)(yong)海水(shui)(shui)通過海淡(dan)水(shui)(shui)熱交換器對(dui)淡(dan)水(shui)(shui)冷(leng)卻(que)(que),提高(gao)了(le)柴油(you)(you)(you)機(ji)(ji)的使用(yong)(yong)(yong)壽命。
該系(xi)列(lie)柴油機(ji)是內河航運、漁業捕撈(lao)、公務船艇(ting)等船舶(bo)最佳匹(pi)配(pei)動力。