1991 OSHKOSH MULTI-PURPOSE Recall

Campaign:

91V221000 on 01/05/1992

Component:

Wheels:lugs/nuts/bolts

Manufactured:

07/31/1990 - 11/30/1991

Affected:

42

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.

Consequence:

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.

Correction:

Replace the wheel stud with a newer, wider diameter wheel stud.

Notes:

System: wheels.vehicle description: heavy trucks with rear-steer axles used as snow blowers orsnow plows.

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