2013/07/22 Caterpillar

Engine:

3508 (S/N: 3PS1-UP)

3508B (S/N: S2B1-UP; S2D1-UP; S2E1-UP; S2F1-UP; 3DM1-UP; 7SM1-UP; 3DW1-UP)

3508C (S/N: TTA1-UP; TTB1-UP)

3512B (S/N: S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; 7HM1-UP; 8EM1-UP; 4TN1-UP; 2GW1-UP; 2EZ1-UP)

3512C (S/N: TTC1-UP; TTE1-UP; TTF1-UP; TTG1-UP; MKH1-UP; SLM1-UP; E3Y1-UP)

3516B (S/N: 8KN1-UP; S2P1-UP; S2R1-UP; S2S1-UP; S2T1-UP; S2W1-UP; 4BW1-UP; S2X1-UP)

3516C (S/N: PAG1-UP; TTJ1-UP)

The new exhaust seals are made of Inconel Alloy 718 and provide a longer service life.

The new exhaust seals and the original exhaust seals are listed in Table 1.

The new exhaust seals are adaptable to the above engines back to first production.