Service bulletin SB777-4
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 | 11035787 |
| Published by NHTSA | 2026-08-05 |
| Manufacturer's number | SB777-4 |
| Manufacturer's date | 2026-07-23 |
| NHTSA component | ENGINE |
NHTSA's summary
Thermo King has introduced a new belt-tensioning tool. The Continental™ TensionRite Belt Frequency Meter. This tool measures the belt frequency with high accuracy and easy operation. This bulletin serves as guide for the specification and best practices of tensioning belts for all units. Important: See the unit-specific Maintenance Manual for detailed belt service procedures. Important: The Maintenance Manuals will be updated with this bulletin’s information upon the next revision
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
| THERMO KING PRECEDENT C-600 | |
|---|---|
| THERMO KING PRECEDENT C-600M | |
| THERMO KING PRECEDENT S-600 | |
| THERMO KING PRECEDENT S-600M | |
| THERMO KING PRECEDENT S-610DE | |
| THERMO KING PRECEDENT S-700 | |
| THERMO KING PRECEDENT S-750I | |
| THERMO KING SLXI DRC | |
| THERMO KING SLXI LOCAL | |
| THERMO KING T-1080S | |
| THERMO KING T-1080S SPECTRUM | |
| THERMO KING T-1090 | |
| THERMO KING T-1090 MAX | |
| THERMO KING T-1090 SPECTRUM | |
| THERMO KING T-590 | |
| THERMO KING T-680S | |
| THERMO KING T-690 | |
| THERMO KING T-690 MAX | |
| THERMO KING T-80 SERIES | |
| THERMO KING T-880S | |
| THERMO KING T-890 | |
| THERMO KING T-890 MAX | |
| THERMO KING T800 | |
| THERMO KING T800R |
Listing a model year does not mean every vehicle of it is concerned: the document says which.