The SC25/27G industrial diesel engine for commercial generators is a product featuring upgraded components on our 12V135 diesel engine for generator sets. The upgrades have resulted in improved reliability, durability, efficiency, vibration, and noise output. The stroke of the SC27G has been extended to 155mm. Most components of this series of engine can be used with the original engine models. It is the first choice for matching the power for 350-550kW generator sets and it is manufactured according to SAIC Motor manufacturing standards.