2026-03-28 QSB6.7-305MDHO Engine Boosts Performance of HBM-NOBAS BG240TA-2 Grader with OEM-Compatible Efficiency.The QSB6.7-305MDHO engine, serial number SO21476, is delivering reliable and efficient power to the HBM-NOBAS BG240TA-2 grader, a machine widely used in road construction, mining support, and infras