GEAR AND PINION (42 and 11 Teeth) 7K3045 - Caterpillar

Generator SetC175-16 GEN SET (S/N: WYB1-UP)C175-20 (S/N: BXR1-UP)Locomotive EngineC175-16 (S/N: 3A91-UP; Y3A1-UP; KWT1-UP)Marine EngineC175-16 (S/N: M6A1-UP; M6B1-UP)Petroleum EngineC175-16 (S/N: P6L1-UP; P5P1-UP)If an engine is updated with the new fuel injectors that are available, then the engine software must be updated as well.Older fuel injectors may be run with the new engine software without the need to change to the new fuel injectors though.Refer to the tables below for the new fuel injectors and engine software for each application.Note: After installing the software, the "Level 1 Fuel Filter Restriction" value will default to 60 percent if not previously altered in the monitoring system. Change to 85 percent in Cat® Electronic Technician to equal the previous 105 kPa (15 psi) set point.
Table 1
Electrical Power Engine Software and Fuel Injectors
Serial Prefix Arrangement Rating Speed (RPM) Previous Injector Part Number Previous Software Part Number New Injector Part Number New Software Part Number
S/N:WYB 307-9788 60 Hz T2 1800 349-2522 462-3149 443-9455 485-0062
S/N:WYB 307-9788 60 Hz T2 1800 331-5894 / 331-5895 462-3147 443-9454 485-0058
S/N:WYB 306-7651 50 Hz BSFC 1500 331-5894 / 331-5895 439-3876 443-9454 485-0060
S/N:WYB 306-7651 50 Hz BSFC 1500 349-2522 450-3076 443-9455 485-0064
S/N:WYB 239-2330 60 Hz BSFC 1800 331-5894 / 331-5895 439-3875 443-9454 485-0059
S/N:WYB 239-2330 60 Hz BSFC 1800 349-2522 439-3872 443-9455 498-6395
S/N:WYB 339-0333 50 Hz Low E 1500 331-5894 / 331-5895 439-3877 443-9454 485-0061
S/N:BXR 344-2956 50 Hz BSFC 1500 349-2522 461-9784 443-9455 485-0067
S/N:BXR 264-3120 60 Hz BSFC 1800 349-2522 461-9783 443-9455 485-0066
S/N:BXR 344-2955 60 Hz T2 1800 349-2522 461-9782 443-9455 485-0065
S/N:BXR 480-6566 50 Hz Low E Standby 1800 349-2522 479-3183