- Engine:
- G3516B (S/N: ZBB1-UP; L6H1-UP; 7EZ1-UP; CTW1-UP)
Description of Change: The new software has a new calibration of the air fuel ratio map. This new calibration improves NOX emissions stability from the 50 percent through the 100 percent load range.
 | |
| Illustration 1 | g03691305 |
A new feature is available in the new software that allows switching the primary load input signal type through the parameter "Engine Load Input Configuration". The "Engine Load Input Configuration" is found in the configuration screen of Caterpillar Electronic Technician (Cat ® ET).
Adaptable To: The new 453-3075 Engine Ratings Electronic Software Gp replaces both the 332-3673 Engine Ratings Electronic Software Gp and the 340-1467 Engine Ratings Electronic Software Gp. The new engine software is adaptable back to first production on the serial numbers listed above that are 1500 rpm Generator Sets with charge density.
This change is effective for the serial numbers listed in Table 1.
| Effective Serial Numbers |
| S/N:L6H00107-UP |
| S/N:ZBB00408-UP |