Diesel Engine Qsb 4.5 And 6.7 - Engine Service Manual This Manual Covers The Following Machines: CUMMINS QSB 4.5L DIESEL ENGINES CUMMINS QSB 6.7L DIESEL ENGINES DOWNLOAD AFTER PAYMENT Cummins QSB4.5 an...... Download 23.99 USD X The seller autototal offers you 1.0% on each sale!