CAMSHAFT 4H9975 - Caterpillar

Table 1
Conversion Table For The Spool Assemblies    
Model Number     Valve Group     Former Spool Assembly     New Spool Assembly    
769C, 769D, 771C, 771D     9U-9030     9U-9058     169-5461    
773B, 773D, 775B, 775D     3T-1512     3T-9511     176-7368    
776, 777     7G-7668     3T-8482     177-2969    
777B     3T-0285     6T-1733     177-1499    
776B, 776C, 776D, 777B, 777C, 777D, 777D HAA     9W-8591     9W-8589     174-9161    
784B, 784C, 785, 785B, 785C, 785C HAA     3T-0290     3T-8610     168-7807    
789, 789B, 789C     3T-0290     3T-8610     168-7807    
793, 793B     3T-0290     3T-8610     168-7807    
793C     123-7352     3T-8610     168-7807    
621E, 621F     9P-0123     9P-9652     176-7218    
631E (seven speed transmission)     7G-4477     3T-9513     177-3209    
631E, 633E Series II, 637E, (eight speed transmission)     9P-0123     9P-9652     176-7218    
651E, 657E (Tractor)     9P-0123     9P-9652     176-7218    
657E (Scraper)     7G-7872     3T-9517     176-5875    
D400E Series II     9U-8847     9U-8846     177-1880    Note: Use the following parts for all of the adaptable models: 162-5802 Detent Cam, 138-1645 Spring Pin and 8T-2925 Spring Pin.