Rock Diamond Logistics LLC (USDOT 4328446)
1 caution found.
- DOT number
- USDOT 4328446
- Docket (MC) number
- MC1689681
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
- Authority granted
- 2025-03-17
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 1 power units, 1 drivers
- Operation type
- Interstate
- Physical address
- 5721 NIXON CIR, LOUISVILLE, KY 40272
- MCS-150 last filed
- 2026-04
Findings
- 2 BASICs at the FMCSA intervention threshold (Caution): Unsafe driving and Hours of service rank among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not official CSA scores.
Frequently asked questions
What carrier is DOT 4328446?
DOT 4328446 (USDOT 4328446) is Rock Diamond Logistics LLC, an interstate motor carrier.
What carrier is MC 1689681?
MC 1689681 is the docket number of Rock Diamond Logistics LLC, USDOT 4328446.
What is Rock Diamond Logistics LLC's MC number?
Rock Diamond Logistics LLC's docket number is MC 1689681. Its USDOT number is 4328446.
Is Rock Diamond Logistics LLC currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Rock Diamond Logistics LLC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Rock Diamond Logistics LLC's insurance?
Rock Diamond Logistics LLC's liability insurance is filed with FMCSA by Hoxbridge Insurance Company INC.
What is Rock Diamond Logistics LLC's safety record?
In the last 24 months, FMCSA records show 2 of 3 vehicle inspections ending out-of-service for Rock Diamond Logistics LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Rock Diamond Logistics LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Rock Diamond Logistics LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Rock Diamond Logistics LLC's FMCSA safety rating?
Rock Diamond Logistics 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.
Changes over time
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
View the full fleetfax report for Rock Diamond Logistics LLC
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status