Campaign 25V-251

Improperly seated retaining ring may cause the hydraulic cylinder to lose pressure, resulting in unintended boom movement

Defect summary

Altec Industries, Inc. (Altec) is recalling certain 2024-2025 Digger Derrick vehicles. An improperly seated retaining ring may cause the hydraulic cylinder to lose pressure, resulting in unintended boom movement.

Consequence

Unintended boom movement increases the risk of injury.

Remedy

Dealers will replace the counterbalance valves, free of charge. Owner notification letters were mailed June 13, 2025. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is CSN-3223.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-888-275-9171), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 25V251000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about equipment on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 25V-251
Make	Model	Model years	Complaints on this component
Altec	Digger Derrick	2024 to 2025	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-551 Aug 27, 2026
Water can leak into the strobe lights, which may cause an electrical short-circuit
26V-463 Jul 17, 2026
Turntable rotation bearing fasteners may not have been heat treated properly
26V-409 Jun 26, 2026
Vertical center of gravity with poles in the pole rack was not calculated properly, resulting in an incorrect pole rack capacity rating
26V-384 Jun 11, 2026
Inside joints between the side plates and the base plates of the 26-foot insulating personnel jib (IJ26) may be missing welds
26V-310 May 15, 2026
Ground level emergency stop (E-stop) may not stop hydraulic functions of the machine when the machine is in ePTO mode
26V-243 Apr 16, 2026
Emergency stop switch located at the turntable is inoperative when the upper controls interlock is active and allows the upper and lower controls…