Oshkosh Recall 91V221000: Wheels, Lugs/nuts/bolts/studs

NHTSA recall 91V221000 · announced December 30, 1991 · filed by Oshkosh Truck Corporation · 42 units affected

The problem

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.

What to do

REPLACE THE WHEEL STUD WITH A NEWER, WIDER DIAMETER WHEEL STUD.

Official NHTSA recall notice →

Notes

SYSTEM: WHEELS.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH REAR-STEER AXLES USED AS SNOW BLOWERS ORSNOW PLOWS.

Vehicles covered by this recall

• 1991 Oshkosh Hb Series
• 1991 Oshkosh Multi-purpose

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.