Locken Oil Llc is an active interstate carrier based in Isabel, SD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 16 | 0 | 0 |
| Tractors | 6 | 10 | 0 |
| Total Power Units | 16 | ||
Distinct vehicles · 24 mo
vs 16 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 87% | 92% | Worse than most peers |
| HOS Compliance | 87% | 95% | Worse than most peers |
| Driver Fitness | 85% | 94% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 46% | 78% | Around peer average |
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 | 1 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 11 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 4 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | ND | TRUCK TRACTOR | 3 | 0 |
| Oct 17, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Oct 17, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Oct 9, 2025 | ND | TRUCK TRACTOR | 0 | 0 |
| Sep 23, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 1.83 | — |
| HOS Compliance | 3 | 0.69 | — |
| Vehicle Maintenance | 1 | 0.59 | — |
| Driver Fitness | 1 | 0.23 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state SD accounts for 54% of activity. Activity outside home state (SD): 46%.
| Hours-of-Service Compliance |
| 3 |
| 2 |
| 0 |
| Vehicle Maintenance | 2 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Hazardous Materials Compliance | 1 | 0 | 0 |
| SD |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Sep 22, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Sep 10, 2025 | MT | TRUCK TRACTOR | 0 | 0 |
| Sep 9, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Aug 25, 2025 | SD | TRUCK TRACTOR | 2 | 0 |
| Jul 30, 2025 | SD | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Feb 12, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Feb 12, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Aug 25, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 25, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jun 13, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 17, 2025 | 172602AHMER | HM (Emergency Response) - No emergency response information | Hazardous Materials Compliance | — |
| Mar 3, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Mar 3, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Sep 10, 2024 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |