ROLLER GP-TRACK CARRIER 5A8374 - Caterpillar

3400 Family Of EnginesReference: Engine News, May 1991, Page 6, "New Oil Drain Plug And O-ring Seal Used In Oil Pan Groups" on 3400 Family of Engines.Description of Change: A new oil drain assembly and O-ring seal are used in oil pan groups. The new drain and O-ring seal will better resist the effect of thermal cycles and vibration than the former oil drain assembly and gasket. See Illustration 1. This will help prevent oil leaks.
Illustration 1. (1) New 4P0519 Oil Drain Assembly. (2) Plug. (3) New 6V3830 O-ring Seal. (4) Former 9S9994 Oil Drain Assembly. (5) Plug. (6) Former 2M9189 Gasket.Adaptable To: The new 4P0519 Oil Drain Assembly and 6V3830 O-ring Seal are a direct replacement for the former 9S9994 Oil Drain Assembly and 2M9189 Gasket. The tightening torque for plug (6) in the former 9S9994 Oil Drain Assembly is 110 15 N m (80 10 lb ft). Tighten plug (2) in the new 4P0519 Oil Drain Assembly to a torque of 70 15 N m (50 10 lb ft). Be sure not to over tighten the plug in the new oil drain assembly.
Drain Plug, Port Plug, Pipe Plug Installation And Tightening
Be sure 619458 O-ring Seal used with the new 9X6451 Drain Plug (see Reference Article) is in good condition. See Illustration 2. Lubricate the seal with oil. Tighten the 9X6451 Drain Plug to a torque of 70 15 N m (50 10 lb ft).
Illustration 2. New 9X6451 Drain Plug.Install the former 1W7573 Drain Plug with a new 2A3398 Gasket. See Illustration 3. The gasket seam should be against the oil pan. Tighten the 1W7573 Drain Plug to a torque of 70 15 N m (50 10 lb ft).
Illustration 3. Former 1W7573 Drain Plug.Put a thin coat of 9S3263 Thread Lock on the threads of the 3B0551 Pipe Plug. See Illustration 4. Tighten the 3B0551 Pipe Plug to a torque of 80 11 N m (60 8 lb ft).
Illustration 4. 3B0551 Pipe Plug.Lubricate the threads of the 9S8009 Port Plug with oil. See Illustration 5. Tighten the 9S8009 Port Plug to a torque of 100 10 N m (75 7 lb ft).
Illustration 5. 9S8009 Port Plug.