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Other FDM-SVC-044

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOther
NHTSA id11033568
Published by NHTSA2026-06-04
Manufacturer's numberFDM-SVC-044
Manufacturer's date2026-03-25
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This bulletin provides instructions to install a check valve in the chute return hydraulic circuit to prevent fluid back flow through the chute manifold if a chute up or down hose fails, and install a shut-off valve on the fan manifold to turn off flow of hydraulic oil to the chutes and water pump.

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.

Vehicles listed
OSHKOSH S-SERIES2019 to 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.