SEAL 1U3996 - Caterpillar

Table 1
New and Former Track Roller Group    
New Part Number    Part Name    Former Part Number    
366-3380     Track Roller Gp (Single Flange)     185-5065    
176-5332     Duo-Cone Seal Gp     -    
422-1643     O-Ring     -    The wear charts for caliper measurements will remain the same for the improved track rollers. New wear charts have been created for ultrasonic measurements. The new track roller will only have the seals available for service.
Table 2
Effectivity and Adaptability of the New Track Roller Group    
Sales Model    Effectivity    Adaptability    
385B         S/N:MYA1-UP    
S/N:RCD1-UP    
S/N:FDL1-UP    
S/N:CLS1-UP    
S/N:BKX1-UP    
S/N:BLY1-UP    
385C         S/N:EDA1-UP    
S/N:MMA304-UP S/N:MMA1-303    
S/N:KGB1-UP    
S/N:KBC1-UP    
S/N:SBE1-UP    
S/N:T2E1-UP    
S/N:KKK1-UP    
S/N:EAM333-UP S/N:EAM1-332    
S/N:WAW247-UP S/N:WAW1-246    
S/N:MNZ1-UP    
390D     S/N:WAG302-UP     S/N:WAG1-301    
S/N:BYP148-UP S/N:BYP1-147    
S/N:WAP633-UP S/N:WAP1-632    
S/N:WBT319-UP S/N:WBT1-318    
S/N:KCZ181-UP S/N:KCZ1-180