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Altec ST600 Recall 25V663: Overloaded Wiring Can Overheat and Cause Fire

NHTSA campaign 25V663, reported October 3, 2025, 278 vehicles potentially affected.

What this recall means for you

The auxiliary engine electrical circuit in these vehicles, including the starter and voltage regulator, may become overloaded. Overloaded circuits can overheat, which increases the risk of a fire.

Until the repair is made, owners are advised to turn the battery disconnect off as part of the shutdown procedure. Altec Industries will replace the electrical circuit at no cost to you. Owner notification letters were mailed April 24, 2026.

If you own one of these vehicles, contact Altec customer service at 1-877-462-5832 and reference recall CSN-3257. You can also check your VIN for open recalls to confirm whether your vehicle is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 25V663Altec Industries, Inc.
Component
ELECTRICAL SYSTEM:WIRING
Problem
Altec Industries, Inc. (Altec) is recalling certain 2022-2025 ST600 vehicles equipped with auxiliary engines. The auxiliary engine electrical circuit, including the starter and voltage regulator, may become overloaded.
Risk
Overloaded circuits may overheat and increase the risk of fire.
Remedy
Owners will be advised to turn the battery disconnect off as part of the shutdown procedure. Altec will replace the electrical circuit, free of charge. Owner notification letters were mailed April 24, 2026. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is CSN-3257.

Affected vehicles

Altec ST6002022202320242025