Doble Engineering (USDOT 4519507)

Frequently asked questions

What carrier is DOT 4519507?

DOT 4519507 (USDOT 4519507) is Doble Engineering, an interstate motor carrier.

What is Doble Engineering's USDOT number?

Doble Engineering's USDOT number is 4519507. No MC docket number is on file.

Is Doble Engineering currently authorized to operate?

Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 19, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Doble Engineering have insurance on file with FMCSA?

No active liability (BIPD) insurance on file with FMCSA.

What is Doble Engineering's safety record?

In the last 24 months, FMCSA records show 0 of 1 vehicle inspection ending out-of-service for Doble Engineering, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Doble Engineering's CSA score?

FMCSA does not publish a single CSA score for carriers. Doble Engineering's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Doble Engineering's FMCSA safety rating?

Doble Engineering has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 19, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status