Caterpillar Ct660, Caterpillar Ct681, model year 2015. Filed by Caterpillar Inc. and reported to NHTSA on 23 December 2014. 57 vehicles potentially affected.
What the notice says 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.
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.
What owners ask about this recall
- Which vehicles does recall 14V814 cover?
- Caterpillar CT660, Caterpillar CT681, model year 2015.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- Brake drag may result in a wheel end fire.
- Is there a fix yet?
- Not yet, on the wording NHTSA publishes today. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
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: “Brake drag may result in a wheel end fire.”
affected
in the notice
caught
| Campaign | 14V814 |
|---|---|
| Filed by | Caterpillar Inc. |
| System at fault | Parking Brake:Conventional:Air |
| Reported to NHTSA | 23 December 2014 |
| Model years | 2015-2015 |
| Vehicles named | CATERPILLAR CT660, CATERPILLAR CT681 |
What the notice says today
The consequence
Brake drag may result in a wheel end fire.
The 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.
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 175 notices in the record whose component field names parking brake. Across that group the median wait before owners were written to was 49 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 14V814, wording as read on 16 September 2026. https://carsmultiverse.com/recall/14v814/
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 Caterpillar notices we hold
- 19V462: 2015-2019 Progress Rail 75HRT SkyTrim Hi-Rail
- 17V641: all 2016 Navistar CT660S trucks equipped with certain Spicer D or E series steer axles
- 13V072: 2012 and 2014 Caterpillar CT660 heavy duty trucks manufactured by Navistar between October 31, 2011, and January 23, 2013
- 12V051: MODEL YEAR 2012-2013 CT660 COMMERCIAL TRUCKS, MANUFACTURED FROM DECEMBER 2, 2010, THROUGH JANUARY 26, 2012, AND EQUIPPED WITH BENDIX ATR-6 TRACTION RELAY VALVES
- 11E006: C15 DIESEL ENGINES MANUFACTURED FROM APRIL 24, 2006, THROUGH MARCH 27, 2009, SOLD AND INSTALLED AS ORIGINAL EQUIPMENT FOR VARIOUS HEAVY TRUCKS
- 10E025: C7 ENGINES MANUFACTURED FROM MARCH 3, 2005 THROUGH JANUARY 6, 2009, INSTALLED AS ORIGINAL EQUIPMENT IN VARIOUS HEAVY TRUCKS AND BUSES
All 7 Caterpillar 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 14V814 on 23 August 2026, they were:
- Defect summary
fd81a3f2 - Consequence
fbb0e142 - Remedy
1e8c1dec
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 14V814 · 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 Caterpillar CT660, 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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