Vehicle recall 78V169000 · August 7, 1978
Mack RL600 and RS600
The aluminum front spring bracket is defective in that it may shear at the point of frame rail attachment.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The aluminum front spring bracket is defective in that it may shear at the point of frame rail attachment. This shearing could dislocate the steering axle.
- Remedy
- The dealer will install a new improved front spring bracket made of ductile iron, without charge to owner.
- Notes
- Vehicle description: heavy trucks.system: suspension; front spring bracket.consequences of defect: a dislocated steering axle could result in loss ofvehicle control and an accident.
Recall details
- NHTSA campaign
- 78V169000
- Reported to NHTSA
- August 7, 1978
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- April 10, 1979
- Vehicles potentially affected
- 1,300
- Initiated by
- the manufacturer
- Components
- Suspension › Front › Springs › Leaf spring assembly › Hanger,bracket
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack RL600 (1977-1978): 1978, 1977
- Mack RS600 (1977-1978): 1978, 1977
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.