LOCKEN OIL LLC
AUTHORIZEDUSDOT
1891781
MC Number
802520
Fleet Size
16
Total Drivers
14
FMCSA-derived snapshot updated: October 4, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
LOCKEN OIL LLC is a small interstate motor carrier based in ISABEL, South Dakota, operating 16 power units with 14 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 4.0% comes in under the 6.7% national average. They have 1 crash on file (1 fatal). FMCSA records show 25 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in South Dakota is 8.4% and the average vehicle OOS rate is 31.0% across 6,398 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- Yes
- Safety Rating Date
- N/A
Inspections
25
Total
60%
Driver %
Insurance on file
Liability (BIPD)
FEDERATED MUTUAL INSURANCE CO. — eff. Apr 11, 2022
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
1
Total Crashes
Similar carriers in South Dakota
Other carriers in the same state with a similar fleet size.
JACOBSEN TREE EXPERTS OF SD INC
PLAINVIEW HUTTERIAN BRETHREN INC
DEUEL COUNTY FARMERS UNION OIL COMPANY
DAKOTA BEVERAGE CO INC
CHERRY-TODD ELECTRIC COOPERATIVE INC
Frequently asked questions
Is LOCKEN OIL LLC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for LOCKEN OIL LLC (USDOT #1891781) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is LOCKEN OIL LLC's safety record?
LOCKEN OIL LLC has 25 inspections in CarrierOwl's current imported snapshot and 1 matching crash. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does LOCKEN OIL LLC operate?
LOCKEN OIL LLC operates 16 power units with 14 drivers on file. That makes them a small carrier.
Does LOCKEN OIL LLC transport hazardous materials?
Yes. LOCKEN OIL LLC is flagged for hazardous materials transportation with FMCSA. That means additional safety requirements and more frequent inspections.
Where is LOCKEN OIL LLC located?
LOCKEN OIL LLC is based in ISABEL, South Dakota at 301 NORTH MAIN, 57633. Phone: (605) 466-2143.
What are LOCKEN OIL LLC's out-of-service rates?
LOCKEN OIL LLC's driver out-of-service rate is 4.0%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 0.0%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.