The Chinese 135 series diesel engines which produced by Shanghai Diesel Engine Co., Ltd. are the earliest developing and most widely used ones. With mature technology, spare parts easy-to-buy and big range of power, the 135 series diesel gensets have types of vertical 4-cylinder, vertical 6-cylinder, V pattern 12-cylinder with a power range from 50kw to 500kw. Among 135 series, the ones from Shanghai Diesel are optimalizing and all are with their Dongfeng brand diesel engines.