Sm Brothers LLC (USDOT 3982599)
2 cautions found.
- DOT number
- USDOT 3982599
- Docket (MC) number
- MC1491590
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
- Authority granted
- 2022-12-01
- Insurance on file
- Liability (BIPD) insurance on file for $1,000,000.
- Safety rating
- No published safety rating
- Fleet on file
- 5 power units, 5 drivers
- Operation type
- Interstate
- Physical address
- 1590 W CALLE PLATA STE 2, NOGALES, AZ 85621
- MCS-150 last filed
- 2025-10
Findings
- Driver OOS rate above national average (Caution): 13.89% driver OOS over 36 inspections vs. national average 6.31%. Typically reflects HOS or CDL-compliance issues
- 2 BASICs at the FMCSA intervention threshold (Caution): Vehicle maintenance and Driver fitness rank among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not official CSA scores.
Frequently asked questions
What carrier is DOT 3982599?
DOT 3982599 (USDOT 3982599) is Sm Brothers LLC, an interstate motor carrier.
What carrier is MC 1491590?
MC 1491590 is the docket number of Sm Brothers LLC, USDOT 3982599.
What is Sm Brothers LLC's MC number?
Sm Brothers LLC's docket number is MC 1491590. Its USDOT number is 3982599.
Is Sm Brothers LLC currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Sm Brothers LLC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $1,000,000.
Who provides Sm Brothers LLC's insurance?
Sm Brothers LLC's liability insurance is filed with FMCSA by Qualitas Insurance Company.
What is Sm Brothers LLC's safety record?
In the last 24 months, FMCSA records show a 41.7% vehicle out-of-service rate for Sm Brothers LLC, from 10 of 24 vehicle inspections, against a national average of 22.9%. FMCSA records also show 0 recordable crashes in the same window.
What is Sm Brothers LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Sm Brothers LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Sm Brothers LLC's FMCSA safety rating?
Sm Brothers 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.
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Reconstructed from cached and fleetfax-ingested FMCSA public records (live FMCSA was unavailable) and may be out of date; verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status