Campaign 23V-636

Incorrect hydraulic load holding valve may have been installed, which can cause the winch to lower uncontrollably and the load to fall

Defect summary

Altec Industries, Inc. (Altec) is recalling certain 2004-2023 DL42 and DL45 Digger Derricks. The incorrect hydraulic load holding valve may have been installed, which can cause the winch to lower uncontrollably and the load to fall.

Consequence

An uncontrolled load falling increases the risk of injury to personnel or others nearby.

Remedy

Altec will replace the load holding valve, free of charge. Owner notification letters are expected to be mailed October 6, 2023. Owners may contact Altec's customer service at 1-877-462-5832. Altec's number for this recall is MAB 3113.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 23V636000. 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 23V-636
Make	Model	Model years	Complaints on this component
Altec	Digger Derrick	2004 to 2023	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

11 service bulletins on this component came first

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…