LOCKEN OIL LLC

AUTHORIZED
301 NORTH MAIN, ISABEL, SD, 57633|(605) 466-2143

USDOT

1891781

MC Number

802520

Fleet Size

16

Total Drivers

14

FMCSA-derived snapshot updated: March 16, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.

Broker verification report

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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 7.7% runs above the national average of 5.51%. No crashes on file. FMCSA records show 26 inspections for this carrier.

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BASIC scores

Under review

CarrierOwl 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.

Driver OOS rate7.7%
National average5.5%
Vehicle OOS rate0.0%
National average20.7%

For reference, the average driver OOS rate in South Dakota is 7.6% and the average vehicle OOS rate is 29.8% across 6,099 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

26

Total

60%

Driver %

Driver Inspections26
Vehicle Inspections17
Driver OOS Rate7.7%
Vehicle OOS Rate0.0%

Insurance on file

Liability (BIPD)

FEDERATED MUTUAL INSURANCE CO. — eff. Apr 11, 2022

$1,000,000ACTIVE

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

0

Total Crashes

Fatal Crashes0
Injury Crashes0
Tow Crashes0

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 26 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles 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 7.7%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 0.0% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.