Altec D2000, Altec D3000, Altec D4000, model years 2020 to 2021. Filed by Altec Industries, Inc. and reported to NHTSA on 7 July 2021. 43 vehicles potentially affected.
What the notice says Altec Industries, Inc. (Altec) is recalling certain 2020-2021 D2000, 3000, and 4000 Derrick diggers. A retaining ring in the gearbox assembly was improperly seated during production, allowing the boom to unintentionally rotate freely.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Altec's own number for this recall: MAB 827. That is the number on the owner letter and on the dealer paperwork. 21V512 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 21V512 cover?
- Altec D2000, Altec D3000, Altec D4000, model years 2020-2021.
- What is wrong with them?
- Altec Industries, Inc. (Altec) is recalling certain 2020-2021 D2000, 3000, and 4000 Derrick diggers. A retaining ring in the gearbox assembly was improperly seated during production, allowing the boom to unintentionally rotate freely.
- What can happen if it is not put right?
- Unintended boom movement increases the risk of injury.
- Is there a fix yet?
- Yes, and it is free. Altec will repair the gearbox assembly, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Altec's customer service at 1-877-462-5832. Altec's number for this recall is CSN 827.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Altec calls this recall MAB 827, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Unintended boom movement increases the risk of injury.”
affected
in the notice
caught
| Campaign | 21V512 |
|---|---|
| Filed by | Altec Industries, Inc. |
| System at fault | Equipment:Mechanical:Boom/Crane/Ladder:Hoses/Cables/Rods/Gears/Strut/Cylinder |
| Reported to NHTSA | 7 July 2021 |
| Model years | 2020-2021 |
| Vehicles named | ALTEC D2000, ALTEC D3000, ALTEC D4000 |
What the notice says today
The consequence
Unintended boom movement increases the risk of injury.
The remedy
Altec will repair the gearbox assembly, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Altec's customer service at 1-877-462-5832. Altec's number for this recall is CSN 827.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 21V512, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v512/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Altec notices we hold
- 26V463: 2024-2026 AT Series
- 26V457: 2013-2025 AP45A trucks
- 26V429: 2022-2026 Service Body
- 26V409: 2023-2025 Digger Derrick
- 26V384: 2024-2026 AC Series Crane
- 26V243: 2025-2026 AM Series Aerial Device
- 26V170: 2025 AC Series Crane and DT Series Digger Derrick
- 26V150: 2023-2026 Service Body, Aerial Device, Pressure Digger, Spray Truck, and Digger Derrick
All 183 Altec campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 21V512 on 23 August 2026, they were:
- Defect summary
aee8cf53 - Consequence
7d5af0da - Remedy
49a7ad12
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 21V512 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Altec D2000, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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