New Engine Software is Now Used on Certain C9 Industrial Engines {1920} Caterpillar


New Engine Software is Now Used on Certain C9 Industrial Engines {1920}

Usage:

C9 REH
Industrial Engine
C9 INDUSTRIAL (S/N: REH7097-10943)

Description Of Change: The Engine Rate Shape (ERS) has been updated in the new engine software to run low idle at lower ERS for improved stability.

Adaptable To: The following changes are adaptable to the engines within the listed serial numbers and are effective with all engines after the listed serial numbers.

The new and former part numbers are listed in Table 1.

Table 1
Required Parts 
New Part Number  Part Name  Former Part Number(1) 
561-5141  Engine Software  498-5338 
(1) The former part number listed is for reference only and may differ.

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