2011/10/13 Caterpillar

Engine:

3512 (S/N: PTG1-UP)

3512B (S/N: 1PW1-UP)

3516B (S/N: 9AN201-UP; S2P1-UP; 2FW1-UP; S2Z1-UP)

3606 (S/N: 8RB805-UP)

3608 (S/N: 6MC624-UP; 1ZD1-UP)

3612 (S/N: 9RC330-UP)

3616 (S/N: 1PD1-UP; RMN1-UP)

3618 (S/N: 2MW92-UP)

C280-16 (S/N: NKB1-UP; TDX1-UP)

Marine Engine:

C280-12 (S/N: TSJ1-UP)

C280-8 (S/N: PKA1-UP; NDT1-UP)

Petroleum Engine:

3512C (S/N: LLA1-UP)

3516C (S/N: PES1-UP)

Engine News SEBD9734, 13 October 2011, "A New Metal Particle Detector Is Used with Certain 3500, 3600, and C280 Marine and Petroleum Engines". The original article was revised to include serial number prefix S/N:1ZD
. No other information has changed.

Description of Change: The new metal particle detector has a non-conductive internal disc that helps prevent early hour failures and false alarms.

Adaptable To: The new metal particle detectors are adaptable to the serial numbers that are listed above. Table 1 lists the new metal particle detectors and the original part that has been replaced.

The part numbers for the detector kits have not changed.

Table 1

New Part Number	Part Name	Replaced Part Number	Detector Kit
366-4743	Detector	144-8623	129 - 2915
366-4746	Detector	123 - 4526	129 - 2915
366-4745	Detector	165 - 5689	165 - 5690

The change is effective at the factory with the engine serial numbers that are listed in Table 2.

Table 2

3512 S/N:PTG385 - UP	3612 S/N:9RC528 - UP
3512B S/N:1PW456 - UP	3616 S/N:1PD686 - UP
3512C S/N:LLA2775 - UP	3616 S/N:RMN113 - UP
3516B S/N:2FW424 - UP	3618 S/N:2MW108 - UP
3516B S/N:9AN412 - UP	C280-12 S/N:TSJ152 - UP
3516B S/N:S2P248 - UP	C280-16 S/N:NKB199 - UP
3516B S/N:S2Z433 - UP	C280-16 S/N:TDX160 - UP
3516C S/N:PES418 - UP	C280-8 S/N:NDT145 - UP
3606 S/N:8RB1013 - UP	C280-8 S/N:PKA149 - UP
3608 S/N:6MC799 - UP	3608 S/N:1ZD00056-UP