# NHTSA Defect Petition DP87012
> **TRACTOR TRAILER HITCHES** · Opened 1987-02-04 · Closed 1987-03-03
## Investigation
- **Action number:** DP87012
- **Type:** Defect Petition
- **Open date:** 1987-02-04
- **Close date:** 1987-03-03
- **Manufacturer:** UNKNOWN MANUFACTURER
- **Affected makes:** ALL
- **Affected components:** EQUIPMENT
- **Affected model years:** 9999
- **Affected (make, year) variants:** 1
## Summary

TRACTOR TRAILER HITCHES

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP87012)
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