MAB 692 – Rotation Platform Fasteners may Break – 2018 Altec AC18, AC23, AC30, AC40, AC45 Cranes, D2045, DT65 Digger Derricks, & AA55 Aerial Devices

NHTSA Campaign Number: 18V617
Manufacturer Altec Industries Inc.
Components STRUCTURE
Potential Number of Units Affected 39


Rotation Platform Fasteners may Break

If the fasteners break, the pedestal or turntable may separate from the vehicle, increasing the risk of injury.



Altec Industries Inc. (Altec) is recalling certain 2018 Altec AC18, AC23, AC30, AC40, AC45 Cranes, D2045, DT65 Digger Derricks, and AA55 Aerial Devices. The rotation platform fasteners may have been overtightened, possibly resulting in the fasteners breaking.



Altec has notified owners, and the rotation bearing fasteners will be replaced, free of charge. The recall began on September 21, 2018. Owners may contact Altec customer service at 1-877-462-5832. Altec’s number for this recall is MAB 692.



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


This notice applies to your vehicle. See attached serial number list.


NHTSA Safety Recall
No. 18V-617


September 20, 2018

Dear Altec Owner,

This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act, and Canada Motor Vehicle Safety Act.

Altec Industries, Inc. has decided that a defect which relates to motor vehicle safety exists in certain AC18, AC23, AC30, AC40, AC45, DT65 and AA55 Units. These units have rotation bearing fasteners that can fail. The fastener failure can possibly cause uncontrolled movement resulting in death or serious injury.

Refer to MAB 692 for the items covered under the warranty policy. Altec will supply, free of charge, replacement fasteners to correct this condition.

In order to determine if your unit is affected by MAB 692, compare the serial number of your unit with the list of affected units attached to the MAB. The repair can be performed by the customer or you may contact Altec at 1-877-GO-ALTEC (1-877-462-5832) for further assistance. The repair is expected to take 15 hours to complete.

At any time, you may contact Altec at 1-877 GO ALTEC (1-877-462-5832) with your unit’s serial number to determine if there are any other outstanding notices.

For US owners: after contacting Altec, if you are still not able to have the safety condition remedied without charge and within a reasonable time, you may submit a complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590 or call toll-free 1-888-327-4236 (TTY: 1-800-424-9153) or  go to

For Canadian Owners: if you are still not able to have the safety condition remedied by your dealer within a reasonable time, please contact Altec Customer Service at 1-877-GO-ALTEC (1-877-4625832).

If you had this repair performed before you received this letter, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the problem associated with this recall. If you have sold or retired the unit please call Altec at 1-877-GO-ALTEC (1-877-4625832) so the records may be changed.

If you have leased this equipment to another person or company, you are required by Federal Law to forward a copy of this notice to the lessee by first class mail within ten (10) days of the receipt of this notice.

We are sorry to cause this inconvenience; however we are taking this action in the interest of your safety and continued satisfaction with Altec products.

Thank you for your immediate attention on this important matter.


Date: September 21, 2018

Units Affected: AC18, AC23, AC30, AC40, AC45, DT65 and AA55 built at Roanoke between 25 June and 4 September, 2018 (see attached list of specific customer units)


Rotation Bearing Fastener Inspection

This Mandatory Action Bulletin requires immediate action.

This Mandatory Action Bulletin requires a torque inspection of all rotation bearing fasteners before using the unit again. If any fastener fails during the inspection, the unit shall be removed from service immediately until the rotation bearing fasteners can be replaced. Altec has found some rotation bearing fasteners that have failed. The failure of rotation bearing fasteners can cause uncontrolled movement resulting in death or serious injury.

Investigation has determined that some rotation bearing fasteners may have been initially installed and torqued to a higher value than specified. The fasteners were installed by an electric torque wrench that was not calibrated correctly. Incorrect calibration  can cause the fastener to break due to the higher installation torque.

Because of this condition, Altec requires the following actions be taken:

  • All affected rotation bearing fasteners must be inspected using the procedure beginningon Page 2.
  • If no broken fasteners are found after completing the torque inspection, the unit may beoperated with a daily visual inspection, for up to 30 days after the inspection.
  • Rotation bearing fasteners must be replaced no later than 30 days after the inspection.
  • If the rotation bearing fasteners are not replaced by 30 days after the inspection, the unit must be removed from service until the fasteners are replaced and correctly torqued.

A list of units and the fasteners that are needed for each unit is on Page 2. Order the needed parts by calling 1-877-GO ALTEC (1-877-462-5832) and using the Parts prompt.

This repair is covered under the Altec Warranty Policy and can be performed by Altec, the customer, or the customer’s warranty provider. Altec will perform the repair for free at an Altec facility.  If the customer, or the customer’s warranty provider performs the repair, a warranty claim must be submitted to be reimbursed for the cost of the parts and/or labor. Altec will allow up to $810 for the inspection and $1350 for the labor to perform this repair. Call 1877-GO ALTEC (1-877-462-5832) to schedule the work to be done by an Altec service technician. Customers may be responsible for the travel costs of an Altec Mobile Service technician if the technician performs the inspection or repair at the owner’s location.


Inspection Procedure

Normal mechanics hand tools and an accurate click-type manual torque wrench that can attain the required torque value are required for the inspection. Read and understand all steps of the instructions before beginning the procedure.

Some units do not require the fasteners on both rotation bearing races to be inspected and retorqued.

  • Inspect and retorque both inner and outer race fasteners:

AC18, AC23, AC30,  DT65, and AA55

  • Inspect and retorque inner race fasteners only:

AC40, AC45

  1. In order to inspect the rotation bearing cap screws or bolts, components may need to bemoved or removed to allow fastener access. Refer to the unit Maintenance Manual for specific instructions to allow access for the individual unit’s fasteners.
  2. Refer to Section 6 in the unit Maintenance Manual for the normal installation fastenertorque value for the unit being inspected.
  3. Inspect each fastener by loosening ONE fastener at a time and tightening the fastener tothe correct torque value.
  4. A unit fails the inspection if a fastener breaks when retightened. A unit that fails theinspection MUST be removed from service. The rotation bearing fasteners must be replaced before being returned to service.
  5. Continue with Steps 4-7 in Section 6, Rotation Bearing Cap Screws procedure to completethe Inspection.

Units that successfully pass the inspection MUST have the affected rotation bearings fasteners replaced no later that 30 days after the inspection. The fasteners MUST be visually inspected daily until replacement. If the fasteners have not been replaced, the unit MUST be removed from service  until the fasteners are replaced. Use the procedure in the Maintenance Manual to replace ONE fastener at a time.

NOTE: there are two cards included with this MAB; one is to be returned after the inspection is completed and one to be returned after the rotation bearing fasteners are replaced. Please detach the cards and return them to Altec at the proper time to document the required action so that the unit can be removed from the Altec inspection and repair lists.

Listed below are the kits that can be used to replace the rotation bearing fasteners. Call 1-877GO ALTEC (1-877-462-5832), prompt 1 for Parts, to order the kit.


Model Part Number
AC18 & AC23 Inner Race Fastener Kit 990582530
Outer Race Fastener Kit 990582534
AC30 Inner Race Fastener Kit 990582576
Outer Race Fastener Kit 990582577
AC40 Inner Race Fastener Kit 990582578
AC45 Inner Race Fastener Kit 990582633
DT65 Inner Race Fastener Kit 990582638
Outer Race Fastener Kit 990582646
AA55 Inner Race Fastener Kit 970744769
Outer Race Fastener Kit 970744774


Use the procedure in the maintenance manual when replacing the rotation bearing fasteners.

Owner Notification Letter

September 20, 2018



Recall Acknowledgement

October 3, 2018




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