As a premier Chinese exporter and factory direct supplier, we specialize in the supply of genuine Cummins QSB6.7 diesel engines tailored for heavy-duty applications, including construction excavators, agricultural machinery, marine propulsion, and industrial generator sets. Our QSB6.7 assemblies feature a robust 6-cylinder, 6.7-liter displacement with High-Pressure Common Rail (HPCR) and turbocharged air-to-air cooling, delivering rated power from 173 to 260 HP while strictly adhering to EPA Tier 4 and EU Stage IIIA emission standards . Leveraging decades of OEM manufacturing experience and stringent quality control, we provide competitive, customized solutions with short lead times and comprehensive after-sales support for global buyers seeking reliability and value .
