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LOCKEN OIL LLC
Isabel, SD
CarrierChk vetting signal
Review recommended
Fatal Crash on Record
1 fatality across 1 crash reported to FMCSA in the last 24 months. A reported crash is not a finding of fault.
See details ↓
FMCSA status: Active & Authorized · DOT 1891781 · MC 802520
No Safety Rating
Active 13 yrs, 11 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-802520 · Common carrier
Insurance
On File
Federated Mutual Insurance Co.
Safety
Not Rated
4.2% OOS · 40 inspections on record
Flags · 1
Fatal Crash on Record
1 fatality across 1 crash reported to FMCSA in the last 24 months. A reported crash is not a finding of fault.
Vetting notes
- Operating authority active for 13 yrs, 11 mo
- Insurance on file: $1,000,000
- Driver out-of-service rate 8.3% — above the 5.5% national average
- Vehicle out-of-service rate 0.0% — below the 20.7% national average
- 40 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC802520
Contract Carrier
Insurance on File
FEDERATED MUTUAL INSURANCE CO.
BI&PD · $1,000,000 · Policy 1832547
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
1891781
MC Number
MC-802520
Safety Rating
Not Rated
Operation Classification
Authorized for hire, Private (property)
MCS-150 Filed
January 28, 2026
FMCSA Registration
May 20, 2009
Authority Granted
November 13, 2012
Annual Mileage
1,190,000 mi (2025)
Contact Information
Address
301 North Main, Isabel, SD 57633
Phone
Email
Owner / Officer
Joe Locken
Cargo Types
Liquids/GasesLivestock
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
40
Driver Inspections
20
Vehicle Inspections
26
Out-of-Service Violations
3
Violations by Category
Vehicle Maintenance13
Unsafe Driving4
Hours of Service6
OOS Rates vs. National Average
Driver OOS Rate8.3% · national avg 5.5%
⚠ Above national average (2.8pp higher)
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
4.2% of 24 inspections in the last 24 months put a driver or vehicle out of service —
11th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
5 of 17 inspections
Unsafe Driving
2 of 26 inspections
Hours of Service
2 of 26 inspections
Driver Fitness
1 of 26 inspections
Controlled Substances
0 of 26 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
1
Fatalities
0
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| April 25, 2026 | ND | 1 | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
SD15
MT7
ND7
US2
Fleet & Equipment (20)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~10
of 16 reported to FMCSA
Trailers
~10
seen at inspection
Equipment types observed
Tank
10
Tractor
9
Not Applicable
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2022 Peterbilt 389 | Tractor · Class 8 | 1NPXD49X0ND771660 | 5 | — |
| 2024 Polar Tank Trailer | Tank · 53 ft | 1PMKA5341R7165590 | 5 | — |
| 2022 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X2ND783170 | 5 | — |
| 2023 Mac | Tank · Class 8 | 558MTB435PK008051 | 5 | — |
| 2014 Polar Tank Trailer | Tank · 53 ft | 1PMA25340E5012553 | 4 | — |
| 2021 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X2MD764777 | 4 | — |
| 2000 Beall | Tank · 50 ft | 1BN2M5037YB005824 | 3 | — |
| Freightlin | Tractor | 1FV9Y0Y9XGP278591 | 3 | — |
| 2013 Polar Tank Trailer | Tank · 53 ft | 1PMA25340D5010980 | 3 | — |
| 2010 Peterbilt 389 | Tractor · Class 8 | 1XPXP49X0AD797926 | 3 | 1 |
Show all 20 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2009 Polar Tank Trailer | Tank · 53 ft | 1PMA2533695008276 | 2 | — |
| 2007 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X47D735233 | 2 | — |
| 2017 Peterbilt 389 | Tractor · Class 8 | 1XPXP49X7HD447400 | 2 | — |
| 1997 Lbt Inc LBT INC TRAILER | Tank · 44 ft | 4J8T04444VT000601 | 2 | 1 |
| 1993 Polar Tank Trailer | Tank · 44 ft | 1PMA24426P1012509 | 1 | — |
| 2006 Polar Tank Trailer | Tank · 53 ft | 1PMA2533165004874 | 1 | — |
| 2013 Polar Tank Trailer | Tank · 53 ft | 1PMA25344D5010979 | 1 | — |
| 1993 Kenworth W900 | Tractor · Class 8 | 1XKWDB9XXPS591676 | 1 | — |
| 2003 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X43D592195 | 1 | — |
| 2020 International LT625 | Not Applicable · Class 8 | 3HSDZAPR9LN825698 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (40)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 15, 2026 | 5180002373 | SELBY SD | II | 8 | — | SUNOCO | Truck Tractor Semi-trailer |
PETERBILT POLAR TANK TRAILER |
1XP5DB9X47D735233 1PMA25340D5010980 |
SD PR54977 SD U088441 |
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWG2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on allowable gross weight | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| October 8, 2026 | HP10200082 | LEBANON SD | III | — | — | CENEX, INC | Truck Tractor Semi-trailer |
PETERBILT POLAR MFG. |
1XP5D49X07D659442 1PMKA5343P7119532 |
SD PR22840 SD 24511P |
| October 5, 2026 | HP15700089 | HURON SD | III | — | — | CAVOUR STORE | Truck Tractor Semi-trailer |
PETERBILT POLAR MFG. |
1XP5D49X07D659442 1PMKA5343P7119532 |
SD PR22840 SD 24511P |
| October 2, 2026 | U712601537 | WIBAUX MT | II | 1 | 1 | LOCKEN OIL | Truck Tractor Semi-trailer |
KENWORTH POLAR TANK TRAILER |
1XKWD49X1PR242571 1PMA25340E5012553 |
SD PR45941 SD U088482 |
| 383.23A2-LCDLN | OOSLicense (CDL) - Operate a CMV and does not possess a valid CDL | License-related: High | ||||||||
| September 12, 2026 | TR57007681 | FARGO ND | II | 2 | — | — | Truck Tractor Semi-trailer |
INTERNATIONAL BEALL |
3HSDZAPR9LN825698 1BN2M5037YB005824 |
SD PR53112 SD U160934 |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
| September 3, 2026 | HP18600087 | ABERDEEN SD | III | — | — | SUNOCO LP | Truck Tractor Semi-trailer |
PETERBILT POLAR TANK TRAILER |
1XP5DB9X47D735233 1PMA25340D5010980 |
SD PR54977 SD U088441 |
| August 25, 2026 | HP18600083 | ABERDEEN SD | III | 1 | — | SUNOCO LP | Truck Tractor Semi-trailer |
PETERBILT MAC |
1XPXD49X2ND783170 558MTB435PK008051 |
SD PR51239 SD 26703P |
| 392.2-SLLEQP | State/Local Laws - Violation of state and local law - Equipment violation. | |||||||||
| August 5, 2026 | 5310001909 | BELLE FOURCHE SD | II | 1 | — | PARKLAND USA CORP | Truck Tractor Semi-trailer |
PETERBILT MAC |
1XPXD49X2ND783170 558MTB435PK008051 |
SD PR51239 SD 26703P |
| 393.11B-CSLRR | Conspicuity Systems - Trailers, lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 | Reflective Sheeting | ||||||||
| June 10, 2026 | 0440000658 | FREDERICK SD | II | 1 | — | LOCKEN OIL | Truck Tractor Semi-trailer |
PETERBILT POLAR TANK TRAILER |
1XP5DB9X47D735233 1PMA25340D5010980 |
SD PR54977 SD U088441 |
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| June 9, 2026 | U819701059 | WIBAUX MT | II | 1 | — | LOCKEN OIL | Truck Tractor Semi-trailer |
PETERBILT POLAR TANK TRAILER |
1NPXD49X0ND771660 1PMKA5341R7165590 |
SD PR51798 SD 26493P |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | Brakes All Others | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| CHS INC | 7 | October 9, 2025 |
| SUNOCO LP | 6 | October 15, 2026 |
| CENEX, INC | 1 | October 8, 2026 |
| CAVOUR STORE | 1 | October 5, 2026 |
| PARKLAND USA CORP | 1 | August 5, 2026 |
| TRAVEL CENTERS OF AMERICA | 1 | February 12, 2026 |
| MAGELLAN PIPELINE | 1 | September 10, 2025 |
| CHS INC GLENDIVE TERMINAL | 1 | January 29, 2025 |
| NUSTAR PIPELINE | 1 | September 30, 2024 |
| CBH COOP | 1 | April 23, 2024 |
| TSO LOGISTICS OPERATIONS LLC | 1 | March 18, 2024 |
| NORTHDALE OIL INC. | 1 | February 14, 2024 |
1 more shipper named at fewer inspections.
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| November 13, 2012 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| April 11, 2022 | BI&PD Primary/Excess | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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