Service bulletin TSB250073
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11022749 |
| Published by NHTSA | 2025-09-05 |
| Manufacturer's number | TSB250073 |
| Manufacturer's date | 2025-08-30 |
| NHTSA component | ENGINE |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the cooling package assembly of the C500D6RE and C1000D6RE trailered generator sets which may include an over-constrained radiator core, resulting in cracking of the radiator core and subsequent coolant leaks. This is an update to a previously submitted communication.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| CUMMINS C1000D6RE | |
|---|---|
| CUMMINS POWER GENERATION C500D6RE |
Listing a model year does not mean every vehicle of it is concerned: the document says which.