LOCKEN OIL LLC
USDOT 1891781
Active, interstate carrier, small fleet (16 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate4.3% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 1891781 |
|---|---|
| MC Number | MC-802520 |
| Legal Name | LOCKEN OIL LLC |
| DBA Name | — |
| Entity Type | — |
| Phone | 6054662143 |
| Address | 301 NORTH MAIN, Isabel, SD, 57633 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 84 / 100 |
|---|---|
| Hours-of-Service Compliance | 88 / 100 |
| Driver Fitness | 88 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 66 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 23 |
|---|---|
| Out-of-Service Rate | 4.3% vs 19.1% national average |
| Crashes | 1 total (1 fatal, 0 with injuries, 1 towaway) |
- 2026-04-25 — ND — 1 fatal, towaway
Most frequent violation categories: 47 (10), 12 (4), 2 (4).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 16 |
|---|---|
| Drivers | 14 |
| Recent Annual Mileage | 1,190,000 |
| Last MCS-150 Filing | 28-JAN-26 |
LOCKEN OIL LLC operates 16 power units — a larger fleet than 97% of carriers registered in SD.
Nearby
Other carriers in Isabel, SD
- DAN ASSMAN — USDOT 1703238, 1 power units
Browse all carriers in Isabel, SD or all SD carriers.