FLANGE 4I6607 - Caterpillar

Engine:
G3516B (S/N: JEF1-UP)
The Special Instruction describes updating the G3516B Engine with new waterlines, exhaust manifold bellows, exhaust elbows, and exhaust heat shielding.The updates provide additional cooling to the exhaust bypass and increase the service life of the exhaust bellows.Because of ongoing design changes over time, updates to the vintages of serial numbers are slightly different. The serial number breaks are listed in Table 1.
Table 1
Group 1     (S/N: JEF00101-00107,00109-00131,00135,00149-00162,00165-00171,00174-00189,01001-01035)    
Group 2     (S/N: JEF01036-01107,01109-01137,01140-01148,01150-01165,01167-01168,01170-01298,01300-01351,01353-01408)    
Group 3     (S/N: JEF01409-01746)    
Group 4     (S/N: JEF01747-01976)    For more information, refer to the Special Instruction that is identified above.