A New Drive Bearing Is Now Used on Certain 3406E, C11, C13, C15, C16, and C18 Engines {1207} Caterpillar

A New Drive Bearing Is Now Used on Certain 3406E, C11, C13, C15, C16, and C18 Engines {1207}

Usage:

Engine: C13 (S/N: N3F1-2139; KWJ1-4557); C15 (S/N: MG21-155; SWE1-569; N5F1-989; LDN1-1640; HAZ1-882); C18 (S/N: BE21-150; TNA1-5272; GTB1-5113; N8F1-740; BDN1-2431; T2R1-5494; ZPS1-288; GEX1-5231)
Industrial Engine: 3406E IND (S/N: 6BR1-80003); C-15 IND (S/N: BEM1-7171); C-16 IND (S/N: BFM1-2554); C11 INDUSTRIAL (S/N: HRA1-2705; GLS1-81001); C13 INDUSTRIAL (S/N: RRA1-81001; LGK1-81004); C15 IND (S/N: JRE1-82001; MCW1-10544); C18 INDUSTRIAL (S/N: WJH1-81004; WRH1-8999)
Marine Engine: C18 MARINE (S/N: JHL1-740; DTP1-467)
Petroleum Engine: C11 PETROLEUM (S/N: B5K1-187); C13 PETROLEUM (S/N: A5K1-102; A5Z1-512); C15 PETROLEUM (S/N: JDK1-570; JDY1-769); C18 PETROLEUM (S/N: MPE1-101; WJW1-81001; WJY1-676)
Petroleum Power Train Package: CX31-P600-C15I (S/N: PDM1-179); CX31-P600-C18I (S/N: PDC1-1); TH35-C15I (S/N: PBN1-199)

Description Of Change: The new drive bearing reduced the stress risers by removing the counterbore and improving the radius.

Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

The new 507-3593 Drive Bearing replaces the former 257-5812 Drive Bearing.