2019 Oshkosh S-Series problems, complaints & recalls

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series 2.0 Concrete Mixers. Incorrectly installed alternator electrical cable clamps may rub against the vehicle frame or hydraulic hose, possibly damaging the alternator cables.

Risk: Damaged alternator electrical cables can increase the risk of a fire.

Fix: Oshkosh will provide instructions on how to inspect the wiring, reposition the clamps, and properly secure the cables. The repair can be performed by the owner or an Oshkosh service center, free of charge. Owner notification letters were mailed on June 23, 2022. Owners may contact Oshkosh's customer service at 1-888-686-7278.

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series vehicles. The fuel tubes between the fuel rail and the injector for cylinders 4, 5 and 6 may be susceptible to cracking, resulting in a high pressure fuel leak.

Risk: A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire.

Fix: On engines with 75 miles or less, dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters are expected to be mailed February 1, 2022. Owners may contact Oshkosh customer service at 1-8088-686-7278.

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series vehicles. The u-bolts securing the front axle may fail.

Risk: Bolt failure may allow the front axle to shift or detach, increasing the risk of a crash.

Fix: Oshkosh will provide new u-bolts, free of charge. Owner notification letters were mailed February 24, 2022. Owners may contact Oshkosh customer service at 1-888-686-7278.

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series vehicles. These vehicles were manufactured with 10 amp Anti-Lock Brake System (ABS) fuses, instead of the required 15 amp ABS fuses.

Risk: The incorrectly sized fuse may blow during an ABS braking event, increasing the risk of a crash.

Fix: Oshkosh will provide owners new fuses, a new fuse label, and installation instructions, free of charge. Owner notification letters were mailed on July 29, 2021. Owners may contact Oshkosh customer service at 1-888-686-7278.

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2018-2019 S-Series Mixer vehicles equipped with Cummins X12 engines with two hydraulic lines. The hydraulic hoses may have been unintentionally switched and installed to the wrong location, which can cause a loss of hydraulic assist steering.

Risk: Loss of hydraulic assist steering may make it difficult to steer the vehicle, increasing the risk of a crash.

Fix: Oshkosh will notify owners, and Oshkosh S-Series Service will correct any improperly installed hoses, free of charge. The recall began August 12, 2019. Owners may contact Oshkosh customer service at 1-888-686-7278.

Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2014-2019 S-Series Glider vehicles equipped with a strobe light package in the rear fender. The strobe lights may have been incorrectly located in the rear fender marker light position, potentially causing confusion for other drivers. As a result, the vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective devices, and associated Equipment."

Risk: Strobe lights in this location may be wrongly interpreted when signaling others, increasing the risk of crash.

Fix: Oshkosh will notify owners, and replace the strobe lamp with a steady burning lamp, free of charge. The recall began April 10, 2019. Owners may contact Oshkosh customer service at 1-888-686-7278.