Cummins ISB and QSB key engine specs and bolt torques at Barrington Diesel Club. Manuals include the workshop manual, training manual and parts book.Basic specs are open to everyone and include images, displacement, dimensions and weight, key bolt tightening torques, the characteristics of the engine like its power and torque. Among the manuals and literature we have for this engine are the workshop manual, parts book and spec sheets. We provide engine specs, bolt torques, manuals and technical data for many makes and models of diesel engines.