Altec Aerial Device 2017–2025 — technical service bulletin
Bulletin SIL-3233 · NHTSA communication 11037377 · issued Sep 15, 2026
Technical service bulletin
communication type
Suspension
component
2017–2025
model years
9
vehicle entries
Official summary
Altec has discovered that certain AT37/41/48 units on small duty Ford and Dodge chassis, built from December 2017 to May 2025 have the potential for the subbase mounting bolts to contact the chassis suspension components or SuperSpring®. This potential contact is not an impact to the safety of this unit.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.