The Recall Desk
Our severity:SevereNHTSA·15V532000·Announced 2015-08-20

Oshkosh Recalls 2014-2015 S-Series Concrete Mixers Due to Pressure Relief Defect

Oshkosh is recalling 2014-2015 S-Series concrete mixers powered by compressed natural gas because pressure relief devices may fail to vent pressure, posing a risk of tank explosion, fire, and injury.

What this means for you

Our assessment, not the agency’s: severity 4/5 (Severe).

The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect where a failure could lead to a tank explosion, resulting in significant injury or property damage, which aligns with the 'Severe' criteria in the rubric.

Plain-English summary

Oshkosh Corporation is recalling certain model year 2014-2015 S-Series concrete mixers manufactured between July 16, 2014, and June 30, 2015. These vehicles are powered by compressed natural gas (CNG) and are equipped with pressure relief devices (PRD) that may not function as designed. Specifically, the PRD may fail to vent a buildup of pressure, such as could occur if the CNG tank was exposed to fire.

If the pressure relief device does not activate during a pressure buildup, the CNG tank may explode. This failure increases the risk of fire and injury to the vehicle operator and surrounding individuals.

Oshkosh will notify owners, and dealers will inspect and replace the pressure relief devices, as necessary, free of charge. The recall began on September 25, 2015. Owners may contact Oshkosh customer service at 1-888-686-7278 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236. Oshkosh's number for this recall is Emcara 15E-059.

The recalled product

Product
OSHKOSH S-SERIES
Brand
OSHKOSH
Manufacturer
Oshkosh Corporation
Category
Vehicle — Heavy-Duty Truck
Hazard
Affected units
33

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • S-SERIES

Distribution

Distributed nationwide across the United States.

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