PULLEY-CRANKSHAFT 3434609 - 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