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2020 Oshkosh S-SERIES recalls

NHTSA campaigns received 2010 to 2026-09-30 that list the 2020 model year.

The 2020 Oshkosh S-SERIES is covered by 7 recall campaigns. Repairs are free at a dealer; check your VIN to see which are still open.

CampaignReceivedComponent
22V3780002022-05-26Electrical System › Alternator/Generator/Regulator
22V0090002022-01-11Suspension › Front › Springs › Leaf Spring Assembly › U-Bolt, Leaf Spring To Axle
22V0080002022-01-11Fuel System, Diesel › Fuel Injection System › Fuel Rail
21V8510002021-11-02Steering › Hydraulic Power Assist › Pump
21V4820002021-06-27Electrical System › Wiring › Fuses And Circuit Breakers
21V1250002021-02-26Power Train › Automatic Transmission › Internal › Shaft › Output
20V4990002020-08-24Exterior Lighting › Brake Lights › Switch

Each recall: problem, risk and fix

Electrical System › Alternator/Generator/Regulator (22V378000, 2022-05-26)

Problem: 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.

Free 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.

Oshkosh Corporation · 1,316 vehicles · NHTSA record

Suspension › Front › Springs › Leaf Spring Assembly › U-Bolt, Leaf Spring To Axle (22V009000, 2022-01-11)

Problem: 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.

Free 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.

Oshkosh Corporation · 1,268 vehicles · NHTSA record

Fuel System, Diesel › Fuel Injection System › Fuel Rail (22V008000, 2022-01-11)

Problem: 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.

Free 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.

Oshkosh Corporation · 1,608 vehicles · NHTSA record

Steering › Hydraulic Power Assist › Pump (21V851000, 2021-11-02)

Problem: 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.

Risk: A loss of power steering assist increases the risk of a crash.

Free fix: 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.

Oshkosh Corporation · 697 vehicles · NHTSA record

Electrical System › Wiring › Fuses And Circuit Breakers (21V482000, 2021-06-27)

Problem: 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.

Free 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.

Oshkosh Corporation · 897 vehicles · NHTSA record

Power Train › Automatic Transmission › Internal › Shaft › Output (21V125000, 2021-02-26)

Problem: Oshkosh Corporation (Oshkosh) is recalling certain 2020-2021 S-Series vehicles. The rear axle output shaft may not have been heat-treated properly, which could cause the shaft to fracture.

Risk: A fractured rear output shaft may cause the shaft or interaxle driveline to detach from the vehicle, increasing the risk of a crash or injury.

Free fix: Oshkosh will notify owners, and owners will be instructed to inspect the output shaft, and if necessary, order a new one and replace it, free of charge. The recall began on March 31, 2021. Owners may contact Oshkosh customer service at 1-888-686-7278.

Oshkosh Corporation · 19 vehicles · NHTSA record

Exterior Lighting › Brake Lights › Switch (20V499000, 2020-08-24)

Problem: Oshkosh Corporation (Oshkosh) is recalling certain 2020 S-Series vehicles equipped with Bendix pressure switches. The plastic threads holding the two halves of the pressure switch may strip when the switch is pressurized, resulting in an air leak which, if severe enough, can cause the air system to lose pressure when the brakes are applied. Failure of the front and rear brake switches will also result in a loss of brake light functionality.

Risk: As a result of a pressure switch air leak, the braking distance may be diminished and/or the parking brake may automatically engage. If the vehicle is equipped with an affected brake switch on both the front and the rear brakes and both parts fail, the brake lights may not operate. These conditions may increase the risk of a crash.

Free fix: Oshkosh will notify owners, and dealers will inspect the brake pressure switch and replace it as necessary, free of charge. The recall began September 28, 2020. Owners may contact Oshkosh customer service at 1-888-686-7278.

Oshkosh Corporation · 172 vehicles · NHTSA record

A recall covers a make, model and year range; whether one specific vehicle is affected or already repaired is confirmed by VIN at nhtsa.gov/recalls or by a dealer. Recall repairs are free. Source: NHTSA recall flat file (public domain), campaigns received since January 2010.

Other model years: 2013 · 2014 · 2015 · 2016 · 2018 · 2019 · 2021 · 2022 · All Oshkosh S-SERIES recalls