With the technological progress and the upgrade of national emission requirements,the non-road national diesel engine adopts mechanical pump,VE electronic control pump,high pressure common rail system,booster intercooling and other technologies.It is difficult to install the DPF of national Ⅳ diesel engine during installation.Through analysis,the problem of using large round holes skillfully to eliminate the stress during in-stallation is adopted.
DPF is particle catcherNational four emission diesel engineConnection bracketArch bracket