CAT C4.4 and C6.6 essential bolt torques, CAT C6.6 Spec Sheet, Manuals includingService Training manual, disassembly and assembly manual, specifications manual, operation manual,trouble shooting manual, testing and adjusting manual. Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.