Tractor Repair: cummins c8.3l diesel engine, head bolts, cummins diesel

Question
I REQUIRE THE BOLT TORQUE'S AND VALVE CLEARANCE SPEC'S FOR CUMMINS DIESEL  C8.3AL ENG NO 45632873  CPL 1845  REGARS    MICK  WEST AUST

Answer
hello,

 The head bolts should be torqued as follows:  torque the short head bolts to 52 ft. lbs. and the long bolts to 105 ft. lbs.   Then turn all the bolts an additional 90 degrees.  The intake valve clearance is .010 inch, and the exhaust valve clearance is .020 inch.