Vehicle recall 83V102000 · September 27, 1983
1981 Mack MS300T
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- 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.
- Remedy
- All affected parts will be inspected and replaced, if necessary.
- 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.
Recall details
- NHTSA campaign
- 83V102000
- Reported to NHTSA
- September 27, 1983
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- January 3, 1984
- Vehicles potentially affected
- 565
- Initiated by
- the manufacturer
- Components
- Power train › Manual transmission
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack MS300T (1981): 1981
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.