CYLINDER HEAD AS 0R2593 - Caterpillar

(9TC, 1XJ, 5TJ) Tractors;
D400D (8TF, 4EJ) Trucks;
16G (93U) Motor Graders;
245B Series II (6MF, 1SJ) Excavators;
578 (8HB) Pipelayers;
621E (6AB, 2PD),
623E (6YF),
627E (7CG) Tractors;
824C (85X) Wheel Tractors;
825C (86X),
826C (87X) Compactors;
980C (13B, 2XD, 63X),
980F (5XJ, 8CJ, 3HK) LoadersThe 3406 (11N) Machine Engines are currently used in the above machines. The crankshaft assembly, connecting rod assembly, and connecting rod bearings are different than those used in 3406 (70V) Machine Engines. The (11N) engines use wider connecting rod bearings, which made it necessary to change the connecting rods and crankshaft.
A list of the part numbers of the new components used in the (11N) engine follow: 4P4334 Crankshaft Assembly9Y6400 Connecting Rod Assembly (11N1-2011)7E5996 Connecting Rod Assembly (11N2012-Up)9Y7735 Connecting Rod Bearing
When installing the 9Y6400 Rod Assembly: 1. Lubricate bolt and nut threads and the seating faces the rod cap with engine oil.2. Tighten each nut to a torque of 80 5 N m (60 4 lb ft).3. Tighten each nut an additional 120 5 degrees.
When installing the 7E5996 Rod Assembly: 1. Lubricate the bolt threads and seating faces of the rod cap with 4C5590 Thread Lubricant/Anti-Seize.2. Tighten each bolt to a torque of 90 8 N m (65 6 lb ft).3. Tighten each bolt an additional 90 5 degrees.