# Service bulletin SIL 793

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10191607
- Published by NHTSA: 2021\-05\-04
- Manufacturer's number: SIL 793
- Manufacturer's date: 2021\-04\-20
- NHTSA component: ELECTRONIC STABILITY CONTROL \(ESC\)

## NHTSA's summary

Altec has discovered that certain DM47B and D3000B Series digger derricks built from July 2017 to May 2019 were not properly stability tested according to the Stability Test Form for Combined Digger Derrick and Platform Use contained in the Unit Installation Manual and in the Maintenance Manual. Altec requires these units to be properly stability tested according to the procedure no later than 6 months after receiving the SIL.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191607-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191607-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance

## Vehicles listed

- 2017 to 2019 ALTEC DIGGER DERRICK

JSON: [/v1/bulletins/10191607](/v1/bulletins/10191607)

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