DIAMOND SIX S TRUCKING LLC is a motor carrier based in CASPER, WY registered with the Federal Motor Carrier Safety Administration under USDOT number 3961245 and MC number 1480790. The company has been registered with the FMCSA since September 2022, a span of roughly 3 years. DIAMOND SIX S TRUCKING LLC reports a fleet of 2 power units and 4 drivers to the FMCSA. Cargo carried includes Building Materials, Machinery, Large Objects, Farm Supplies, Oilfield Equipment, and Other. Over the past 24 months, FMCSA records show 1 inspection with a driver out-of-service rate of 100%. Recent inspections have been recorded in ND, SD, and WY. The FMCSA assigned a Unsatisfactory safety rating as of February 2025.
FMCSA inspection and crash data recorded for DIAMOND SIX S TRUCKING LLC over the most recent 24 months. Out-of-service rates reflect the percentage of inspections that resulted in a driver or vehicle being placed out of service.
Source: Federal Motor Carrier Safety Administration. View the full inspection history on the carrier profile.
Authority granted by the FMCSA defines what type of freight a motor carrier or broker is legally permitted to haul or arrange. The records below reflect the most recent authority filings on record for DIAMOND SIX S TRUCKING LLC.
| Docket | Common | Contract | Broker | Since |
|---|---|---|---|---|
| MC 1480790 | Inactive | None | None | — |
States where DIAMOND SIX S TRUCKING LLC has had FMCSA inspections recorded recently. This is a useful indicator of where the carrier actively operates.
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Full per-inspection and per-crash records including violation codes, locations, vehicle and driver out-of-service details, and underlying inspection narratives. Available with a SearchCarriers data plan.
Historical shipper relationships and freight patterns associated with DIAMOND SIX S TRUCKING LLC, derived from inspection records and bill of lading data. Available with a SearchCarriers data plan.
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