Recall 21V851000 — STEERING:HYDRAULIC POWER ASSIST:PUMP Defect in 2020-2021 OSHKOSH S-SERIES
RECALL This recall affects up to 697 vehicles.
Recall Summary
| NHTSA Campaign | 21V851000 |
| Manufacturer | Oshkosh Corporation |
| Vehicles Affected | 697 |
| Component | STEERING:HYDRAULIC POWER ASSIST:PUMP |
| Date Notified | |
| Affected Vehicles |
Defect Description
Oshkosh Corporation (Oshkosh) is recalling certain 2020-2021 S-Series vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.
Safety Consequence
A loss of power steering assist increases the risk of a crash.
Remedy
Owners will inspect and replace the power steering pump as necessary. Owners may perform this work themselves or reach out to one of our service centers to perform the inspection and repair work free of charge. Owner notification letters were mailed on December 15, 2021. Owners may contact Oshkosh customer service at 1-888-686-7278.
Related Recalls for OSHKOSH
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 26V074000 | 2025 OSHKOSH NGDV | SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES | 5,242 | |
| 25V444000 | 2025 OSHKOSH NGDV | EQUIPMENT:OTHER:LABELS | 917 | |
| 25V228000 | 2024 OSHKOSH S-SERIES | POWER TRAIN:AXLE ASSEMBLY | 469 | |
| 25V224000 | 2025 OSHKOSH NGDV ELECTRIC | BACK OVER PREVENTION:DISPLAY FUNCTION | 216 | |
| 25V192000 | 2024 OSHKOSH NGDV ELECTRIC | VISIBILITY:WINDSHIELD WIPER/WASHER | 169 | |
| 24V917000 | 2022 OSHKOSH S-SERIES | VEHICLE SPEED CONTROL:THROTTLE | 800 | |
| 24V928000 | 2025 OSHKOSH DEFENSE NGDV ICE | BACK OVER PREVENTION:DISPLAY FUNCTION | 144 | |
| 24V471000 | 2025 OSHKOSH DEFENSE NGDV ICE | AIR BAGS | 8 | |
| 22V378000 | 2019 OSHKOSH S-SERIES | ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR | 1,316 | |
| 22V008000 | 2019 OSHKOSH S-SERIES | FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL | 1,608 |