TEREX C4000 Recalls

Aug 17, 2026 – Ring Power Corporation (Ring Power) is recalling certain 2019-2026 Terex C4000, C5000, C6000, and General 65 digger derrick trucks. An insufficient weld on the plate weldment may crack, causing the retaining pin to separate.

Mar 19, 2026 – Terex South Dakota, Inc. (Terex) is recalling certain 2019-2026 General 65, General 80, General 95, C4000, C5000, and C6000 digger utility trucks equipped with pole guides. An insufficient weld on the plate weldment may crack, causing the retaining pin to separate.

Dec 02, 2022 – Terex South Dakota, Inc. (Terex) is recalling certain 2022 C4000, C5000, C6000, C7000, General, and Trans TL vehicles. A seam in the boom structure may have been improperly welded, causing the weld to crack.

Dec 01, 2022 – Terex South Dakota, Inc. (Terex) is recalling certain 2022 C4000, Optima TC, and XT Pro outrigger vehicles. The outrigger cylinder may have been machined incorrectly, which can cause the lock valve cartridge seals to fail, allowing the cylinder to drift.

Aug 07, 2018 – Terex south Dakota, Inc. (Terex) is recalling certain 2015-2018 Terex C4000, C5000, C6000, and General digger derricks. The welds between the coupler and hex shaft may be undersized, causing them to fail and the auger to fall unexpectedly.

May 04, 2009 – TEREX TELELECT, INC. IS RECALLING 142 MY 2008 C4000, C5000, C6000, C7000, AND GENERAL DIGGER DERRICK UTILITY TRUCKS MANUFACTURED BETWEEN SEPTEMBER 11 AND DECEMBER 20, 2008, EQUIPPED WITH EATON 25VQ HYDRAULIC PUMPS. POOR ADHESION OF THE BRONZE MATERIAL AND THE STEEL SURFACE OF THE FLEX PLATE USED IN THE 25VQ SECTION MAY LEAD TO DELAMINATION OF THE BRONZE FROM THE PLATE.

Jan 04, 2007 – CERTAIN TEREX TELELECT DIGGER DERRICKS AND AERIAL DEVICES EQUIPPED WITH CHECK VALVES WITH P/NOS ENGRAVED ON THE VALVE OF; 1904F, 1908F, 1910F, AND 1910R. THESE VALVES CAN FAIL WHICH CAN CAUSE THE PARTS TO MOVE THROUGH THE HYDRAULIC SYSTEM OR WILL ALLOW A VACUUM TO FORM IN HYDRAULIC LINES IF THE PUMP FLOW SHOULD STOP. THESE DEVICES ARE INSTALLED ON TRUCKS TO TRANSPORT THE AERIAL DEVICE OR DIGGER DERRICK TO THE WORK SITE TO FACILITATE WORKING ON ELECTRICAL POWER LINES AND COMMUNICATION LINES OR TO TRIM TREES.