Six S Trucking Inc is an active interstate carrier based in Yankton, SD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol | Measure |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 98% | 97% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 3 states. Top state NE accounts for 50% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 2 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 10, 2025 | NE | TRUCK TRACTOR | 0 | 0 |
| Jun 18, 2025 | WY | TRUCK TRACTOR | 0 | 0 |
| Aug 15, 2024 | NE | TRUCK TRACTOR | 1 | 0 |
| Apr 3, 2024 | SD | TRUCK TRACTOR | 1 | 0 |
| Alert |
|---|
| Unsafe Driving | 1 | 2.39 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 0 | 0.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 15, 2024 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Apr 3, 2024 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |