NHTSA vehicle safety data
2015 Caterpillar CT660 Recalls & Complaints
The 2015 Caterpillar CT660 has 1 NHTSA recall campaign on file as of October 21, 2026. try.vin has no NHTSA owner complaints on file for the 2015 Caterpillar CT660. Recall repairs are usually free at an authorized Caterpillar dealer.
NHTSA recall and complaint data for the 2015 Caterpillar CT660. Recall data is refreshed daily from NHTSA.
Improperly Seated Brake Chamber Diaphragm
NHTSA #14V814000 · Parking Brake — Conventional — Air · NHTSA notice
Reported December 23, 2014 · Caterpillar Inc.
Potentially affected: 57 vehicles
Repair completion: 96.49% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
Caterpillar campaign 14V-814 · Owners notified June 15, 2015 · Vehicles built July 28, 2014 – March 2, 2015 (per NHTSA)
Defect description
Caterpillar Inc. (Caterpillar) is recalling certain model year 2015 CT660, and CT681 trucks manufactured July 28, 2014, to November 5, 2014. The affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
Safety consequence
Brake drag may result in a wheel end fire.
Manufacturer remedy
Caterpillar will notify owners, and dealers will replace the brake actuators, free of charge. An interim letter was mailed to owners on March 18, 2015. A second notice will be mailed once parts become available. Owners may contact Caterpillar customer service at 1-309-675-5658.
Notes
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.safercar.gov.
Other Caterpillar CT660 model years
Check your 2015 Caterpillar CT660 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Caterpillar CT660 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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