MACK MS300T 1981: POWER TRAIN:MANUAL TRANSMISSION

Make : MACK Model : MS300T Year : 1981
Build Dates : 1980-11-01 - 1981-07-01
NHTSA CAMPAIGN ID Number : 83V102000
Date Owner's Notified: 1984-01-03 Date Received by ODI: 1983-09-27 Date Added to Database: 1983-10-21
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: POWER TRAIN:MANUAL TRANSMISSION
Potential Number Of Units Affected : 565
Summary:
      THE YOKE OF THE TRANSMISSION PROPELLER SHAFT MAY LACK REQUIRED STRENGTH DUE TO ERRONEOUS COUNTERBORE OPERATION IN WHICH 10 MILLIMETERS OF EXTRA MATERIAL MAY HAVE BEEN CUT. THIS CONDITION COULD LEAD TO FRACTURE OF THE YOKE IN SERVICE.
Consequence:
     
Remedy:
      ALL AFFECTED PARTS WILL BE INSPECTED AND REPLACED, IF NECESSARY.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      VEHICLE DESCRIPTION: TRUCKS.SYSTEM: POWER TRAIN; TRANSMISSION PROPELLER SHAFT YOKE.CONSEQUENCES OF DEFECT: DURING ENGINE OPERATION AT HEAVY THROTTLE, AS INVEHCILE STARTING, FRAGMENTS OF A FRACTURED YOKE COULD BE PROPELLED OUTWARD ANDCAUSE INJURY TO NEARBY PERSONS.NOTE: THE FRACTURE COULD ALSO OCCUR WITHOUT WARNING DURING NORMAL HIGHWAYOPERATION, RESULTING IN LOSS OF POWER AT THE DRIVING WHEELS, DIFFICULTY INMAINTAINING VEHICLE CONTROL, AND A POSSIBLE ACCIDENT.