No complaints are listed for the 2019 Oshkosh S-Series. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as OSHKOSH S-SERIES.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
6 recalls.
Date: 2022-05-26. Systems: ELECTRICAL SYSTEM.
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.
Consequence: Damaged alternator electrical cables can increase the risk of a fire.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2022-01-11. Systems: SUSPENSION.
Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2019-2022 S-Series vehicles. The u-bolts securing the front axle may fail.
Consequence: Bolt failure may allow the front axle to shift or detach, increasing the risk of a crash.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2022-01-11. Systems: FUEL SYSTEM, DIESEL.
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.
Consequence: A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2021-06-27. Systems: ELECTRICAL SYSTEM.
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.
Consequence: The incorrectly sized fuse may blow during an ABS braking event, increasing the risk of a crash.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2019-06-21. Systems: STEERING.
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.
Consequence: Loss of hydraulic assist steering may make it difficult to steer the vehicle, increasing the risk of a crash.
Remedy: 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.
Do not drive: No. Park outside: No.
Date: 2019-02-15. Systems: EXTERIOR LIGHTING.
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, (excerpt)
Consequence: Strobe lights in this location may be wrongly interpreted when signaling others, increasing the risk of crash. (excerpt)
Remedy: 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. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
20 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 5 |
|---|
| UNKNOWN OR OTHER | 5 |
|---|
| EQUIPMENT | 4 |
|---|
| POWER TRAIN | 3 |
|---|
| ENGINE | 2 |
|---|
| FUEL SYSTEM, OTHER | 1 |
|---|
| SUSPENSION | 1 |
|---|
11037325
Date: 2026-08-18. Type: Other. Systems: UNKNOWN OR OTHER.
This bulletin provides instructions for identifying and locating all driveline grease zerk fittings. Lubrication of the driveline is important for proper vehicle operation.
11033567
Date: 2026-05-13. Type: Other. Systems: ELECTRICAL SYSTEM.
This bulletin provides instructions to install the latest battery disconnect switch on S-Series 2.0 vehicles in serial number range 788727 - 814085.
11033568
Date: 2026-03-25. Type: Other. Systems: UNKNOWN OR 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 hydraulic oil to the chutes and water pump.
11033569
Date: 2026-03-01. Type: Other. Systems: UNKNOWN OR 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.
11027195
Date: 2025-12-19. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
This bulletin provides information on verifying powertrain harness grounds are correctly installed, and covers the installation of an optional engine ground cable.
11022278
Date: 2025-09-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
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 reconnected when a powertrain harness has
11022277
Date: 2025-08-20. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This bulletin provides information on installing metal door linkage rod clips in place of original plastic clips.
11018857
Date: 2025-05-19. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This bulletin provides instruction for installing an updated water meter.
11009675
Date: 2024-10-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This bulletin provides instructions for performing an Over The Air Programming (OTAP) vehicle software update.
10246254
Date: 2023-11-07. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
This bulletin provides instructions for installing rubber hose STAUFF clamps in areas of the vehicle that have hard line STAUFF clamps installed on rubber hoses. Rubber hose STAUFF clamps have a smooth inner contact surface and filleted edges. Installing rubber hose STAUFF clamps will reduce pot