Recall 19V710 affects 275 2016-2019 Altec Digger Derrick vehicles for incorrect outrigger valve plumbing. Repair is free at any franchised Altec dealer.
Altec is recalling 275 2016-2019 Digger Derrick vehicles because incorrectly plumbed outrigger valves can let the outriggers keep retracting after the operator stops controlling them. If that happens, the unit can become unstable and collapse, increasing the risk of injury or death to people nearby; Altec will complete the repair free of charge.
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What's wrong?
On 2016-2019 Altec Digger Derrick vehicles, the outriggers are the stabilizing legs that hold the truck steady while the derrick works. Electric over hydraulic outrigger valves direct hydraulic fluid to extend or retract those legs when the operator moves the controls. When the operator releases the control, the valve is supposed to stop that motion.
On affected trucks, the outrigger valves were plumbed incorrectly. Return flow from the hydraulic cylinders exceeded the valve rating, so the system did not respond the way the control position told it to respond. The outriggers can keep retracting after the operator has stopped commanding movement, which leaves the operator without normal control of the stabilizing legs.
The warning sign is the outrigger motion alarm when the outriggers are operated. Treat that alarm as a cue to stop and have Altec check the outrigger valve plumbing before the equipment is used again.
Who's affected?
Spans the 2016, 2017, 2018, and 2019 model years, with the same Equipment component listed for each year.
| 2016 Altec Digger Derrick | Equipment |
|---|---|
| 2018 Altec Digger Derrick | Equipment |
| 2017 Altec Digger Derrick | Equipment |
| 2019 Altec Digger Derrick | Equipment |
| Units affected | 275 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific truck is included.
What's the safety risk?
If the outriggers retract without command, the unit can become unstable and collapse, increasing the risk of injury or death to people nearby. The motion alarm sounds when the outriggers are operated, so stop work and keep people clear if they move unexpectedly. Repair is free at any franchised Altec dealer.
What should I do?
- Check your VIN to confirm your 2016-2019 Altec Digger Derrick is included in this recall.
- Contact a franchised Altec dealer to schedule the free outrigger-valve plumbing inspection and correction that stops unintended outrigger retraction.
- Bring the recall notice if Altec mailed one. If not, reference recall number 19V710 and Altec recall CSN 739 when you call.
- Avoid operating the outrigger system until the inspection is complete, and keep people clear of the unit when it is set up.
- Call Altec customer service at 1-877-462-5832 with questions before the dealer visit.
What happens at the repair
At the dealer, an Altec technician inspects the outrigger valve plumbing and corrects any incorrect routing so the outriggers stop responding when the operator releases the controls. The inspection and related correction are free under recall 19V710. Altec has a general reimbursement plan on file for qualifying repairs paid before the recall notice. If you already paid for this outrigger valve plumbing repair, contact Altec customer service at 1-877-462-5832 and ask how to submit documentation.
| Reimbursement | Reimbursement available |
|---|
Timeline
| October 4, 2019 | NHTSA published the recall |
|---|---|
| November 25, 2019 | Owner notification mailed |
| December 5, 2019 | Dealer notification began |
| December 5, 2019 | Interim owner notification (was planned for this date) |
| December 6, 2019 | Dealer notification ended |
Frequently asked questions
What is recall 19V710?
Recall 19V710 covers 275 2016-2019 Altec Digger Derrick vehicles with outrigger valve plumbing that can let the outriggers keep retracting after the operator stops the control. Altec dealers will inspect the plumbing and correct it for free.
What should I do if my 2016-2019 Altec Digger Derrick is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 19V710. If it is, contact an Altec dealer or Altec customer service at 1-877-462-5832 to schedule the outrigger valve plumbing inspection and correction. Reference recall number 19V710 and Altec CSN 739 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. Altec dealers will inspect the outrigger valve plumbing and correct it as needed free of charge under recall 19V710.
What is the safety risk?
The safety risk is unit instability during outrigger operation. If the outriggers retract without command, the Digger Derrick can become unstable and collapse, raising the risk of injury or death to people near the equipment. Confirm your VIN and arrange the free Altec repair.
What if I bought this Altec Digger Derrick used?
The free recall repair still applies. Federal recall law follows the vehicle, not the first owner. Check your VIN to confirm whether your Digger Derrick is included, then call an Altec dealer or Altec customer service with recall 19V710 and CSN 739.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/19V710000 |
|---|---|
| Altec customer service | 1-877-462-5832 |
| NHTSA recall # | 19V710 |
| NHTSA recall # (full) | 19V710000 |
Source documents
-
Download Owner Notification Letter (PDF) - Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 23, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →