repaired · 2024 Q1
Electrical system: alternator/generator/regulator
Risk. Damaged alternator electrical cables can increase the risk of a fire.
2021 Oshkosh S-seriesProblems, recalls & complaints
NHTSA has logged 0 owner complaints about the 2021 Oshkosh S-series. It is covered by 7 safety recalls, and for recall 21V-125 the manufacturer reports only 5% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 26, 2022. Updated daily.
Complaints by system
Where the 2021 Oshkosh S-series has problems
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
7 recalls
2021 Oshkosh S-series recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q4
Fuel injection system: fuel rail
Risk. A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire.
repaired · 2023 Q4
Leaf spring assembly: u-bolt, leaf spring to axle
Risk. Bolt failure may allow the front axle to shift or detach, increasing the risk of a crash.
repaired · 2023 Q3
Hydraulic power assist: pump
Risk. A loss of power steering assist increases the risk of a crash.
Show 3 more recalls
repaired · 2023 Q2
Wiring: fuses and circuit breakers
Risk. The incorrectly sized fuse may blow during an ABS braking event, increasing the risk of a crash.
repaired · 2023 Q1
Suspension: multiple axle
Risk. A detached axle may cause a loss of vehicle control, increasing the risk of a crash.
repaired · 2022 Q4
Shaft: output
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.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Oshkosh.
Best & worst years
2021 vs. every other S-series year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the S-series median. How we score
'78'79'80'81'82'83'84'85'86'87'88'89'90'91'92'97'98'99'00'05'06'07'08'12'13'14'15'16'17'18'19'20'21'22'23'24'25
- Avoid
- Caution
- Solid
- Best
- Not rated
Own a 2021 S-series?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.