PIN-SPRING 1H1200 - Caterpillar

Engine:
3508B (S/N: S2B1-UP; S2E1-UP; S2F1-UP; 3DM1-UP; 7SM1-UP; 6PN1-UP; 1FZ1-UP)
From 29January 2004 to 29April 2004, some 3508B engines were built with camshafts that utilized a different radius of curvature on the camshaft lobes.The alternate camshafts are identifiable by part numbers 232-2914 Camshaft As and 232-2915 Camshaft As .Treat the camshafts as any other camshaft. Guidelines for Reuse and Salvage must be used to determine if the camshafts are to be reused.
Table 1
Part Numbers for the Camshaft    
Current Camshafts     Alternate Camshafts    
127-5404 Camshaft As     232-2914 Camshaft As    
133-4079 Camshaft As     232-2915 Camshaft As    
Table 2
Effective Serial Numbers    
S/N:7SM00953-00990    
S/N:3DM00471-00478    
S/N:6PN00874-00889    
S/N:S2B00100-00109    
S/N:S2E00118-00139    
S/N:S2F00100-00102    
S/N:1FZ02032-02202