New Software Is Used on Certain C18 Industrial Engines {1920}
- Petroleum Engine
- C18 PETROLEUM (S/N: WJY1-UP)
Description Of Change: The new engine software provides improved engine response at high altitudes.
Adaptable To: The new 491-9931 Engine Software replaces the existing 324-5919 Engine Ratings Electronic Software Gp. The new engine software is adaptable back to first production on the serial numbers listed above.
This change is effective on serial numbers S/N:WJY00677-UP.
Caterpillar Information System:
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