New brand 4JB1CN engine (CN 4 emission) , based on the reliable quality of ISUZU 4JB1 engine, is equipped with global advanced BOSCH electrical common-rail diesel injection system. With high pressure fuel injection, it decreases the visual emission of pollution. With multi-aperture injection oil-sprayer, it get the accuracy quantitative timing injection. It improves the noise and vibration of engine. The engine is equipped with turbocharger and Inter-cooling technology,electrical-controlled of EGR+DOC+POC emission-controlled technology. This type of engine have advantages like stronger power with fuel-saving , reliable and durability,which are applicable in chinese environment.