Altec Am Series — Structure
High risk
Oct 15, 2025
Model years: 2025
On certain aerial devices and digger derricks, the cable step wire ropes that secure the entry step could fail. As a result, the cable could detach and cause a person to fall.
Also affects: Altec An Series, Altec At Series, Altec D3000
Altec Am Series — Accessories
High risk
Dec 5, 2024
Model years: 1995, 1996
On a small number of aerial devices, the cap at the end of the hydraulic lift cylinder could detach. If this happens, the boom lift can drop suddenly.
Also affects: Altec An Series
Altec Am Series — Electrical
High risk
Aug 1, 2023
Model years: 2022, 2023
On certain aerial devices and digger derricks, the inverter module may not have proper circuit protection for the AC output. As a result, the wiring could overheat and melt.
Also affects: Altec Aa Series, Altec An Series, Altec At Series, Altec D Series, Altec Dh Series
Altec Am Series — Electrical
High risk
Jun 27, 2023
Model years: 2021, 2022, 2023
On certain vehicles, water could leak into the strobe light assembly. If this happens, the strobe light could short circuit.
Also affects: Altec Aa Series, Altec Ac Series, Altec Ah Series, Altec At Series, Altec D Series
Altec Am Series — Other
High risk
Apr 26, 2022
Model years: 2018
Accessories using chassis air supply could be missing pressure protection valves. This could cause a loss of air pressure to the service brakes through the accessory air system.
Also affects: Altec Ap45a, Altec D Series, Altec Lp108, Altec Ta Series
Altec Am Series — Structure
High risk
Jan 21, 2021
Model years: 2018, 2019, 2020
On certain aerial devices and digger derricks, a snap ring in the hydraulic check valve assembly could fail. If this happens, the snap ring can get stuck in the hydraulic system. T
Also affects: Altec A-Class, Altec Aa Series, Altec An Series, Altec D Series, Altec Dc
Altec Am Series — Other
High risk
Mar 16, 2015
Model years: 2012, 2013, 2014
On certain aerial devices and digger derricks, the upstream 30A breaker to the trailer relay module may react too slowly to prevent the module from overheating, which could cause a
Also affects: Altec D Series, Altec Hd-35a, Altec Aa Series, Altec An Series, Altec Lrv Series
Altec Am Series — Other
High risk
Nov 11, 2010
Model years: 2009, 2010
Certain aerial devices and digger derricks, installed on utility service vehicles (to elevate personnel in order to facilitate working on overhead service lines, for tree trimming,
Also affects: Altec Aa Series, Altec An Series, Altec Ao442, Altec Dl, Altec Dm Series