2021 OSHKOSH S-SERIES — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
7
Recalls
5
Service Bulletins
0
Investigations
Overview of the 2021 OSHKOSH S-SERIES
The 2021 OSHKOSH S-SERIES has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 13 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR, FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL. 5 technical service bulletins have been issued by Oshkosh Corporation for this model year.
Recalls for the 2021 OSHKOSH S-SERIES
NHTSA has recorded 13 recalls for the 2021 OSHKOSH S-SERIES, potentially affecting up to 11,299 vehicles.
Recall 22V378000 — ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
| 1,316 vehicles affected
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...
View full details →Recall 22V008000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 1,608 vehicles affected
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...
View full details →Recall 22V008000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 1,608 vehicles affected
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...
View full details →Recall 22V008000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 1,608 vehicles affected
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...
View full details →Recall 22V009000 — SUSPENSION:MULTIPLE AXLE
| 1,268 vehicles affected
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.
View full details →Recall 22V009000 — SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
| 1,268 vehicles affected
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.
View full details →Recall 21V851000 — STEERING:HYDRAULIC POWER ASSIST:PUMP
| 697 vehicles affected
Defect: 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: A loss of power steering assist increases the risk of a crash.
Remedy: 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...
View full details →Recall 21V482000 — ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
| 897 vehicles affected
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.
View full details →Recall 21V482000 — ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
| 897 vehicles affected
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.
View full details →Recall 21V322000 — SUSPENSION:MULTIPLE AXLE
| 47 vehicles affected
Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2021 S-Series vehicles. The auxiliary axles may not have been properly secured and may detach.
Consequence: A detached axle may cause a loss of vehicle control, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 21V322000 — SUSPENSION:MULTIPLE AXLE
| 47 vehicles affected
Defect: Oshkosh Corporation (Oshkosh) is recalling certain 2021 S-Series vehicles. The auxiliary axles may not have been properly secured and may detach.
Consequence: A detached axle may cause a loss of vehicle control, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 21V125000 — POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:SHAFT:OUTPUT
| 19 vehicles affected
Defect: 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: 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: 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...
View full details →Recall 21V125000 — POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:SHAFT:OUTPUT
| 19 vehicles affected
Defect: 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: 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: 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...
View full details →Owner Complaints for the 2021 OSHKOSH S-SERIES
No complaints have been filed with NHTSA for the 2021 OSHKOSH S-SERIES.
Safety Rating for the 2021 OSHKOSH S-SERIES
NHTSA has not yet tested the 2021 OSHKOSH S-SERIES in its New Car Assessment Program.
Technical Service Bulletins for the 2021 OSHKOSH S-SERIES
Oshkosh Corporation has issued 5 technical service bulletins (TSBs) for the 2021 OSHKOSH S-SERIES. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
FDM-IB-011 — ELECTRICAL SYSTEM
This bulletin provides information on verifying powertrain harness grounds are correctly installed, and covers the installation of an optional engine ground cable.
FDM-IB-010 — UNKNOWN OR OTHER
This bulletin provides information on installing metal door linkage rod clips in place of original plastic clips.
FDM-IB-006 — ELECTRICAL SYSTEM
This bulletin provides instructions for performing an Over The Air Programming (OTAP) vehicle software update.
FDM_TSIB-047 — 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 potential hose chaffing in areas...
FDM-TSIB-039 — ELECTRICAL SYSTEM
This bulletin provides instruction on replacing PDM power bank fuses in the cab, mixer, and rear PDMs. The larger 15 amp fuse protects the system and keeps the whole BCM Bank from dropping out if a bank function shorts-to-ground.
NHTSA Investigations for the 2021 OSHKOSH S-SERIES
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the OSHKOSH S-SERIES
- 2016 OSHKOSH S-SERIES — 0 complaints
- 2017 OSHKOSH S-SERIES — 0 complaints
- 2018 OSHKOSH S-SERIES — 0 complaints
- 2019 OSHKOSH S-SERIES — 0 complaints
- 2020 OSHKOSH S-SERIES — 0 complaints
- 2021 OSHKOSH S-SERIES (current)
- 2022 OSHKOSH S-SERIES — 0 complaints
- 2023 OSHKOSH S-SERIES — 0 complaints
- 2024 OSHKOSH S-SERIES — 0 complaints
- 2025 OSHKOSH S-SERIES — 0 complaints
Other OSHKOSH Models
- OSHKOSH OSHKOSH — 11 total complaints
- OSHKOSH X LINE — 4 total complaints
- OSHKOSH M LINE — 2 total complaints
- OSHKOSH XC CHASSIS — 2 total complaints
- OSHKOSH DA 1500 SERIES — 1 total complaint
- OSHKOSH MC18FG — 1 total complaint
- OSHKOSH XC — 1 total complaint
- OSHKOSH A1823 — 0 total complaints