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Model year

2023 Oshkosh S-Series

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (1)Complaints (0)Investigations (0)Bulletins (19)
Recall campaigns covering this model year1800 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2023 Oshkosh S-Series by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

One recall campaign covers the 2023 Oshkosh S-Series

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2023 Oshkosh S-Series
CampaignFiledSubjectComponentVehiclesRemedy
24V-917Dec 10, 2024Throttle pedal assembly may contain an oversized magnet carrier, slowing the responsiveness or causing the pedal to stickSpeed control800Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2023 Oshkosh S-Series

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    19 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • FDM-IB-016 Aug 18, 2026 · Other
      This bulletin provides instructions for identifying and locating all driveline grease zerk fittings. Lubrication of the driveline is important for proper vehicle operation.
    • FDM-IB-013 Mar 1, 2026 · Other
      This bulletin provides instruction for replacing the existing chute drive washer with a hardened steel washer. This change prolongs the service life of the drive sprocket and chute operation.
    • FDM-SVC-044 Mar 25, 2026 · Other
      This bulletin provides instructions to install a check valve in the chute return hydraulic circuit to prevent fluid back flow through the chute manifold if a chute up or down hose fails, and install a shut-off valve on the fan manifold to turn off flow of h…
    • FDM-SVC-045 May 13, 2026 · Other
      This bulletin provides instructions to install the latest battery disconnect switch on S-Series 2.0 vehicles in serial number range 788727 - 814085.
    • FDM-IB-011 Dec 19, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides information on verifying powertrain harness grounds are correctly installed, and covers the installation of an optional engine ground cable.
    • FDM-TSB-006 Oct 28, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instructions for removing an inoperative vehicle TCU. Oshkosh Corporation initiated an over-the-air update security certification on TCUs for a select population of Oshkosh® S-Series™ 2.0 Front Discharge Mixers. The software update …
    • FDM-IB-009 Aug 1, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides guidance on a new torque procedure for securing the fuel tank to prevent tank rotation.
    • FDM-TSB-005 Aug 18, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instructions for installing a longer hydraulic hose between the auxiliary pump and the hydraulic manifold load sense port, and a straight fitting to the hydraulic manifold load sense port to reduce pressure spikes. The longer hose p…
    • FDM-IB-011 Sep 2, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides information on making sure the dedicated ground from the battery negative to the engine block ground stud remains installed when a powertrain harness is replaced. Service personnel have found instances of this ground cable not being…
    • FDM-IB-010 Aug 20, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides information on installing metal door linkage rod clips in place of original plastic clips.
    • FDM-SVC-042 May 19, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instruction for installing an updated water meter.
    • FDM-SVC-041 May 1, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instruction for installing a T27 TCU module in place of a T17 TCU module
    • FDM-SVC-027 Jun 2, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instruction for replacing a Micronet display with an updated Grayhill overhead display and T27 TCU.
    • FDM-IB-008 Apr 17, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instructions for installing a longer hydraulic hose between the auxiliary pump and the hydraulic manifold load sense port, and a straight fitting to the hydraulic manifold load sense port to reduce pressure spikes. The longer hose p…
    • PDM-IB-007 Apr 10, 2025 · Service Bulletin/Repair Instructions
      This bulletin provides instructions for inspecting the auxiliary pump pressure setting and adjusting the setting if the pump has the incorrect pressure setting.
    • FDM-IB-006 Oct 17, 2024 · Service Bulletin/Repair Instructions
      This bulletin provides instructions for performing an Over The Air Programming (OTAP) vehicle software update.
    • FDM-IB-005 Aug 8, 2024 · Other
      This bulletin provides instructions for installing an updated park brake valve pressure switch to eliminate the "sticking" switch issues, as well as the unintended horn alarm when the cab door is open. The updated pressure switch has a higher pressure activ…
    • FDM-SVC-040 Jul 11, 2024 · Service Bulletin/Repair Instructions
      This bulletin provides instructions to seal around the HVAC fresh air intake and drains ports, and install a deflector bracket to prevent water ingress into the cab.
    • FDM-SVC-039 Jul 16, 2024 · Service Bulletin/Repair Instructions
      This bulletin provides instruction for updating the Medallion instrument cluster software version to a new version updating the high transmission temperature icon and alarm to match the Allison high-temp fault settings. The alarm activates when the TCM dete…
    Source: NHTSA manufacturer communications files.
    About service bulletins