New Software Is Used for Certain 3500 Dynamic Gas Blending Well Service Engines {1250, 1280, 1920}
- Engine:
- 3512C (S/N: WF31-UP; WF51-UP)
- Pumper:
- SPF343C (S/N: RTX1-UP)
- Petroleum Engine:
- 3512C (S/N: R1A1-UP; R1S1-UP)
Description of Change: The new software addresses the nuisance 639-9 code. The software also added a coolant diverter valve functionality for cold-weather operation on air-to-air aftercooler (ATAAC) units.
Note: This software only pertains to 3500 series well service engines with Caterpillar® Dynamic Gas Blending (DGB) systems installed.
Adaptable To: The new software replaces for the former software.
The new software is adaptable to the above engines back to first production.
The new and former software is listed in Table 2.
Show/hide table
| New Part Number | Description | Former Part Number |
|---|---|---|
| 458-7057 | Engine Software | 464-0527 |
| 477-6711 | Engine Software | 455-9537 |
| 481-1310 | Engine Software | 455-9538 |
| 481-1311 | Engine Software | 455-9202 |
Show/hide table
| Effective Serial Numbers |
|---|
| S/N:R1A01968-UP |
| S/N:R1S01609-UP |
| S/N:WF300571-UP |
| S/N:WF500898-UP |
| S/N:RTX01005-UP |
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