Recall Register

2021 Oshkosh S-Series: recalls and complaints

NHTSA lists 7 recall campaigns for the 2021 Oshkosh S-Series. The newest campaign is 22V378000. NHTSA received the report on 26 May 2022. The NHTSA record gives the component Electrical System / Alternator/Generator/Regulator. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 22V378000, in the NHTSA record

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.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

7 campaigns, newest first. 5,852 units in total.

  • 22V378000Electrical System / Alternator/Generator/Regulator
  • 22V008000Fuel System, Diesel / Fuel Injection System / Fuel Rail
  • 22V009000Suspension / Front / Springs / Leaf Spring Assembly / U-Bolt, Leaf Spring to Axle
  • 21V851000Steering / Hydraulic Power Assist / Pump
  • 21V482000Electrical System / Wiring / Fuses and Circuit Breakers
  • 21V322000Suspension / Multiple Axle
  • 21V125000Power Train / Automatic Transmission / Internal / Shaft / Output

  1. 22V378000Received . 1,316 units.

    Electrical System / Alternator/Generator/Regulator

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    Damaged alternator electrical cables can increase the risk of a fire.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  2. 22V008000Received . 1,608 units.

    Fuel System, Diesel / Fuel Injection System / Fuel Rail

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  3. 22V009000Received . 1,268 units.

    Suspension / Front / Springs / Leaf Spring Assembly / U-Bolt, Leaf Spring to Axle

    Defect, in the NHTSA record
    Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series vehicles. The u-bolts securing the front axle may fail.
    Consequence, in the NHTSA record
    Bolt failure may allow the front axle to shift or detach, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  4. 21V851000Received . 697 units.

    Steering / Hydraulic Power Assist / Pump

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    A loss of power steering assist increases the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  5. 21V482000Received . 897 units.

    Electrical System / Wiring / Fuses and Circuit Breakers

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    The incorrectly sized fuse may blow during an ABS braking event, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  6. 21V322000Received . 47 units.

    Suspension / Multiple Axle

    Defect, in the NHTSA record
    Oshkosh Corporation (Oshkosh) is recalling certain 2021 S-Series vehicles. The auxiliary axles may not have been properly secured and may detach.
    Consequence, in the NHTSA record
    A detached axle may cause a loss of vehicle control, increasing the risk of a crash.
    Remedy, in the NHTSA record
    A technician will inspect and, as necessary, replace any improperly installed fasteners, free of charge. Owner notification letters were mailed on May 26, 2021. Owners may contact Oshkosh customer services at 1-888-686-7278.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

  7. 21V125000Received . 19 units.

    Power Train / Automatic Transmission / Internal / Shaft / Output

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    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.
    Remedy, in the NHTSA record
    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.

    Report filed by Oshkosh Corporation. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 19781
  2. 19791
  3. 19801
  4. 19811
  5. 19821
  6. 19833
  7. 19844
  8. 19853
  9. 19862
  10. 19872
  11. 19882
  12. 19891
  13. 19901
  14. 19912
  15. 19921
  16. 19971
  17. 19981
  18. 19991
  19. 20001
  20. 20052
  21. 20062
  22. 20071
  23. 20081
  24. 20122
  25. 20133
  26. 20145
  27. 20154
  28. 20163
  29. 20172
  30. 20183
  31. 20196
  32. 20207
  33. 20217
  34. 20225
  35. 20231
  36. 20242
  37. 20251

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2021 Oshkosh S-Series: recalls and complaints. https://recallregister.com/vehicle/oshkosh/s-series/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
29 Mar 2018
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
Oshkosh Corporation

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2021 Oshkosh S-Series?
5,852 units in 7 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Oshkosh S-Series have for all model years?
NHTSA lists 30 recall campaigns for the Oshkosh S-Series, model years 1978 to 2025. 7 of them name the 2021 model year.
Is an NHTSA investigation of the 2021 Oshkosh S-Series open?
The NHTSA investigation file has no investigation that names this model year.