The defect
THE WHEEL STUD USED FOR THE HUBS ON THE REAR-STEER WHEELS HAS A DIAMETER TOO SMALL TO HANDLE THE MAXIMUM RECOMMENDED TORQUE, AND WILL SUFFER FROM A FATIGUE FAILURE FROM THE CYCLIC STRESSES OF VEHICLE USE AND THE TORQUING OF THE WHEEL NUT.
The risk
FAILURE OF ONE WHEEL STUD CAN LEAD TO SUBSEQUENT FAILURESOF ALL THE STUDS ON THE HUB, LEADING TO SEPARATION OF THE WHEEL AND TIREASSEMBLY FROM A VEHICLE, RESULTING IN LOSS OF STEERING CONTROL AND AN ACCIDENT.
The remedy
REPLACE THE WHEEL STUD WITH A NEWER, WIDER DIAMETER WHEEL STUD.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Oshkosh HB Series | 1991 |
| Oshkosh Multi-Purpose | 1991 |
Components: WHEELS:LUGS/NUTS/BOLTS/STUDS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Oshkosh HB Series | 1991 | 0 | 1 |
| Oshkosh Multi-Purpose | 1991 | 0 | 1 |
Other wheels recalls in 1991
4 of the 220 recall campaigns reported to NHTSA in 1991 concerned the wheels; OSHKOSH TRUCK CORPORATION filed 62 campaigns in all.
| 91V213000 6 Dec 1991 | GENERAL MOTORS CORP. |
| 91V148000 17 Sept 1991 | WINNEBAGO IND., INC. |
| 91V149000 17 Sept 1991 | WINNEBAGO IND., INC. |
NHTSA recalls (public domain) · all recalls of 1991