2011/12/19 Caterpillar


New Fuel Injectors and New Software Are Used for C175-16 Generator Set Engines {1251, 1254, 1290, 1713, 1901, 1920}

Usage:

C175-16 WYB
Generator Set:
C175-16 (S/N: WYB1-UP)

Description of Change: The orifice tip of the new injector was redesigned. The new design makes the tip more resistant to cavitation erosion than the tip of the previous injector.

Adaptable To: The new injector is adaptable to C175-16 Generator Set Engines back to first production. However, do not use the new injector with any previously used injectors.

If any other injectors are used with the new injectors, a 268-2 Programmed Parameter Fault : Erratic, Intermittent, or Incorrect diagnostic code will be activated when installing the injector trim files.

The new parts and the previous production parts are listed in Table 1.

The new injectors are effective with WYB00620.

Note: The previous production parts remain available for service. If your engine continues to use the previous production software, also use the previous production injector.

Table 1
Application     New Production Part     Previous Production Part    
Production     349-2522 Fuel Injector Gp     331-5894 Fuel Injector Gp    
331-5895 Fuel Injector Gp
60 Hz Tier II     374-2575     380-5428 Engine Ratings Electronic Software Gp    
60 Hz Low BSFC     374-2577     380-5429 Engine Ratings Electronic Software Gp    
50 Hz Low BSFC     374-2579     380-5430 Engine Ratings Electronic Software Gp    

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