Diamond Six S Heavy Haul Llc is an active interstate carrier based in Myton, UT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Trailers | 6 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 96% | 97% | Worse than most peers |
| HOS Compliance | 100% | 100% | Worse than most peers |
| Driver Fitness | 100% | 100% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 0% | 0% | Better than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 2 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state IA accounts for 100% of activity. Activity outside home state (UT): 100%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Hours-of-Service Compliance | 5 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Apr 29, 2025 | IA | TRUCK TRACTOR | 8 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 29, 2025 | 38323A2 | Operating a CMV without a CDL | Driver Fitness |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 4.66 | — |
| HOS Compliance | 1 | 15.00 | — |
| Vehicle Maintenance | 0 | 0.00 | — |
| Driver Fitness | 1 | 16.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Driver Fitness |
| 2 |
| 1 |
| 2 |
| Unsafe Driving | 1 | 1 | 0 |
| Apr 29, 2025 | 39111B1 | Age - Operate a CMV while not at least 21 years of age in interstate commerce | Driver Fitness | Yes |
| Apr 29, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Apr 29, 2025 | 39524C2IIELDTN | HOS (ELD) - Driver failing to manually input or verify CMV trailer number. | Hours-of-Service Compliance | — |
| Apr 29, 2025 | 39524C2III | Driver failed to manually add shipping document number | Hours-of-Service Compliance | — |
| Apr 29, 2025 | 39530B1 | Driver failed to certify the accuracy of the information gathered by the ELD | Hours-of-Service Compliance | — |
| Apr 29, 2025 | 39532B | Driver failed to assume or decline unassigned driving time | Hours-of-Service Compliance | — |
| Apr 29, 2025 | 3958E | False report of drivers record of duty status | Hours-of-Service Compliance | — |