Bolts may shear on torque converter
Defect Summary
Oshkosh corporation (oshkosh) is recalling certain model year 2015 s-series front discharge concrete mixer glider trucks manufactured february 10, 2015, to march 20, 2015. the affected vehicles have allison hd4500 transmissions that were remanufactured by valley truck parts that may be coated with a thick layer of paint on the torque converter to adaptation kit mounting surface which can soften during vehicle operation. this may result in the mounting bolts loosening.
Safety Consequence
If the mounting bolts loosen, the bolts on the torque converter bolt flange may shear, resulting in a sudden loss of drive power, and increasing the risk of a crash.
Corrective Action
Oshkosh has notified owners, and valley truck parts will remove the paint from the mating surface of the torque converter, and replace the bolts, free of charge. the recall began on may 8, 2015. owners may contact oshkosh customer service at 1-888-686-7278.
Similar Recalls
Other recalls from Oshkosh Corporation or involving Power Train.
FAQ: Recall 15V412000
Your rights, the repair process, and what each field on this page means.
What is recall 15V412000?
NHTSA recall 15V412000 was issued by Oshkosh Corporation on June 30, 2015. It addresses: Bolts may shear on torque converter. The recall affects approximately 24 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Oshkosh Corporation dealer and reference NHTSA recall ID 15V412000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.