TORQUE CONVERTER GP 1T1440 - Caterpillar

(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 Engine3406E 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 EngineC18 MARINE (S/N: JHL1-740; DTP1-467)Petroleum EngineC11 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 PackageCX31-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.