Diamond Six S Heavy Haul LLC (USDOT 4381717)
MonitorFindings
No active liability coverage on file with FMCSA
- DOT number
- USDOT 4381717
- Docket (MC) number
- MC 1717772 was applied for under this USDOT number and dismissed on 04/30/2025. It was never granted, so it is not this carrier's operating authority.
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-09-02. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 3 power units, 3 drivers
- Operation type
- Interstate
- Physical address
- 5806 W 10200 S, MYTON, UT 84052
- MCS-150 last filed
- 2025-06
Frequently asked questions
What carrier is DOT 4381717?
DOT 4381717 (USDOT 4381717) is Diamond Six S Heavy Haul LLC, an interstate motor carrier.
What carrier is MC 1717772?
MC 1717772 was applied for under this USDOT number and dismissed on 04/30/2025. It was never granted, so it is not this carrier's operating authority.
What is Diamond Six S Heavy Haul LLC's MC number?
Diamond Six S Heavy Haul LLC has no MC docket number. Its USDOT number is 4381717. MC 1717772 was applied for under this USDOT number and dismissed on 04/30/2025. It was never granted, so it is not this carrier's operating authority.
Is Diamond Six S Heavy Haul LLC currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-09-02. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Diamond Six S Heavy Haul LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Diamond Six S Heavy Haul LLC's safety record?
FMCSA records show no vehicle inspections for Diamond Six S Heavy Haul LLC in the last 24 months, so there is no out-of-service rate. FMCSA records also show 0 recordable crashes in the same window.
What is Diamond Six S Heavy Haul LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Diamond Six S Heavy Haul LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Diamond Six S Heavy Haul LLC's FMCSA safety rating?
Diamond Six S Heavy Haul LLC 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 2, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status