2012–2013 Schwing S39SX, 2012–2013 Schwing S43SX, 2012–2013 Schwing S58SX and 1 other model Recall: Specific potting compound used in the subject products for insulation was…
NHTSA campaign 14V035000 · Electrical System · filed Feb 4, 2014 · verified Jul 30, 2026
The defect
Schwing America, Inc. (Schwing) is recalling certain model year 2012-2013 S39SX, S43SX, S58SX and S61SX concrete pump trucks equipped with Sure Power DC-DC converters containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.
The risk
Once electrically conductive, the material is capable of melting and burning, increasing the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Schwing America, Inc. will notify owners, and will replace the converters, free of charge. The recall began on March 20, 2014. Owners may contact Schwing at 1-888-724-9464.
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.
Affected vehicles
Source: NHTSA recall database, campaign 14V035000. Data last verified Jul 30, 2026.