Recall 14V035 affects 127 2012-2013 Schwing S58SX, S61SX, S39SX, and S43SX concrete pump trucks for fire risk. Repair is free at any franchised Schwing dealer.
Schwing is recalling 127 2012-2013 S58SX, S61SX, S39SX, and S43SX concrete pump trucks because Sure Power DC-DC converters use an epoxy potting compound that can conduct electricity after heat exposure. Once conductive, the material can melt and burn, increasing fire risk; the Schwing dealer repair will be free once available.
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What's wrong?
The affected part is a Sure Power DC-DC converter in the electrical system on 2012-2013 Schwing S39SX, S43SX, S58SX, and S61SX concrete pump trucks. A DC-DC converter takes direct-current electrical power and changes it to the voltage needed by other truck equipment. Inside the converter, an epoxy sealing compound, also called potting, is supposed to insulate and protect the electronics.
On these trucks, the specific potting compound used for insulation does not stay insulating after heat exposure. Once heated, that compound can conduct electricity instead of separating electrical paths. That defeats the purpose of the insulation and lets current travel where the converter was designed to keep it contained.
There is no warning sign before failure. An owner or operator should not count on a light, smell, sound, or change in pump operation to appear before the converter problem shows up.
Who's affected?
Spans four SX pump models across the 2012 and 2013 model years, all involving the electrical system.
| 2013 Schwing S58SX | electrical system |
|---|---|
| 2012 Schwing S61SX | electrical system |
| 2013 Schwing S61SX | electrical system |
| 2012 Schwing S39SX | electrical system |
| 2013 Schwing S39SX | electrical system |
| 2012 Schwing S58SX | electrical system |
| 2012 Schwing S43SX | electrical system |
| 2013 Schwing S43SX | electrical system |
| Units affected | 127 |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific vehicle is included.
What's the safety risk?
If the material becomes electrically conductive, it can melt and burn, increasing the risk of a fire. If your VIN is included, avoid unnecessary use and arrange the dealer repair promptly. Repair will be free at any franchised Schwing dealer once available.
What should I do?
- Check your VIN to confirm your 2012-2013 Schwing S39SX, S43SX, S58SX, or S61SX concrete pump truck is included in this recall.
- Call Schwing customer service at 1-888-724-9464 to confirm repair availability for the DC-DC converter replacement.
- Ask Schwing where to schedule the free converter replacement that removes the heat-damaged electrical part tied to the fire risk.
- Bring the recall notice if Schwing mailed one. If not, reference recall number 14V035 when you call.
- Keep the truck out of service if you see heat damage, melting, burning, or electrical trouble, and ask Schwing for transport guidance before moving it.
What happens at the repair
At the dealer, a Schwing technician replaces the Sure Power DC-DC converters covered by recall 14V035. The work addresses converters with potting compound that can conduct electricity after heat exposure. Schwing's source remedy says the converter replacement is free of charge, and the recall began on March 20, 2014. Ask the service desk to confirm that the replacement converter is the recall remedy for your 2012-2013 S58SX, S61SX, S39SX, or S43SX before the work starts.
Timeline
| February 4, 2014 | NHTSA published the recall |
|---|---|
| March 20, 2014 | Owner notification mailed |
Frequently asked questions
What is recall 14V035?
Recall 14V035 covers 127 2012-2013 Schwing S39SX, S43SX, S58SX, and S61SX concrete pump trucks with Sure Power DC-DC converters. The epoxy potting compound inside the converter can conduct electricity after heat exposure, creating a fire risk. Schwing will replace the converters for free.
What should I do if my 2012-2013 Schwing S39SX, S43SX, S58SX, or S61SX is on this recall?
Check your VIN to confirm your specific concrete pump truck is included in recall 14V035. If it is, contact Schwing at 1-888-724-9464 and arrange the free DC-DC converter replacement. Reference recall 14V035 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and Schwing's recall remedy says it will replace the DC-DC converters free of charge. Parts and labor are covered for included vehicles.
What is the safety risk?
The safety risk is fire. Heat exposure can make the converter's potting compound electrically conductive. Once conductive, the material can melt and burn. If your VIN is included, arrange the free converter replacement with Schwing.
When did Schwing start this recall repair?
Schwing began the recall on March 20, 2014. Because that date has passed, owners of included 2012-2013 Schwing concrete pump trucks should contact Schwing with recall 14V035 and arrange the free converter replacement.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/14V035000 |
|---|---|
| Schwing customer service | 1-888-724-9464 |
| NHTSA recall # | 14V035 |
| NHTSA recall # (full) | 14V035000 |
Source documents
-
Download Recall Document (PDF) (PDF)
-
Download Owner Notification Letter (PDF)
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Download Quarterly Report (PDF)
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Download Defect / Noncompliance Notice (PDF) (PDF)
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Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on June 2, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →