Home » Recalls » 23E026 – Clutch Overheating May Cause Fire – Carrier Transicold Supra Models 950, 950MT, & 960

23E026 – Clutch Overheating May Cause Fire – Carrier Transicold Supra Models 950, 950MT, & 960

March 29, 2023 NHTSA CAMPAIGN NUMBER: 23E026000

Clutch Overheating May Cause Fire

Hot components from the clutch assembly may fall onto nearby flammable materials, such as leaves or other debris, increasing the risk of a fire.


NHTSA Campaign Number: 23E026

Manufacturer Carrier Corporation

Components EQUIPMENT

Potential Number of Units Affected 15,046



Carrier Corporation (Carrier) is recalling certain Carrier Transicold refrigeration units, Supra models 950, 950MT, and 960. The centrifugal clutch may overheat under certain conditions break apart.



The remedy is currently under development. Owner notification letters are expected to be mailed by May 26, 2023. Owners may contact Carrier customer service at 1-800-448-1661.



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.


Chronology :

On January 3, 2023, a thermal incident involving a Supra 950MT unit owned by Sysco was reported to have occurred in New York. As reported, a fire in the unit resulted from clutch overheating and failure, leading to ignition of flammable materials, likely leaves or other debris that had collected in the unit and/or plastic components in the unit. Carrier immediately began investigating the incident, including sending out an independent investigator and analyzing pieces of the unit in the lab. One crucial piece of information discovered is that a pre-trip inspection was not performed prior to this incident. Also, the system alarm protection (CNF16) that should have shut off the unit before the clutch totally failed was found to be disabled.

Carrier’s internal investigation and analysis process involved its safety, engineering, compliance, and legal teams. After internal meetings of its Safety Council and discussing the incident with outside NHTSA counsel, it was determined on March 22, 2023, that the unique set of circumstances investigated could be a safety related defect reportable to NHTSA under Part 573. Carrier files this report on March 29, 2023.

Please note, Carrier does not sell these units to vehicle manufacturers, which is why it does not provide purchaser information in the section above of this report. Rather, Carrier sells to independent dealers, who then sell to owner companies. The owner contact information that Carrier will use for the Owner Notification letters comes from the warranty registration process.


1 Affected Product




4 Associated Documents

Recall Acknowledgement

RCAK-23E026-3124.pdf 734.451KB



Miscellaneous Document – 20230507 Customer information request email

RMISC-23E026-3123.pdf 629.252KB



Recall 573 Report – 5/8/2023

RCLRPT-23E026-1368.PDF 214.947KB



Recall 573 Report – 5/23/2023

RCLRPT-23E026-7562.PDF 217.722KB



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