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Freight Carrier/shipper · Isabel, SD

LOCKEN OIL LLC

301 NORTH MAIN · Isabel, SD 57633

AUTHORIZED FOR:
(605) 466-2143 Tap to call
  • MC #802520
  • USDOT #1891781 USDOT Active
  • 16
    Power Units
  • 14
    Drivers
  • Carrier/shipper
    Entity Type

About this carrier

LOCKEN OIL LLC is a Isabel, SD freight carrier/shipper that is authorized for: in the state of South Dakota. This company has 16 truck(s) in their fleet and 14 truck drivers. Their motor carrier number is MC-802520 and their USDOT number is 1891781.

Sourced from FMCSA SAFER · last filed 01/28/2026 · last updated Oct 19, 2026.

Carrier Details

  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 01/28/2026
  • MCS-150 Mileage 1,190,000 (2025)

Authority & Operations

Operation Classification
  • Authorized for Hire
  • Private (Property)
Carrier Operation
  • Interstate

Cargo Authorized

  • Liquids/Gases
  • Livestock

Operating Territory

Map of states where this carrier has roadside inspections South Dakota — 14 inspections (past 24 months) Montana — 6 inspections (past 24 months) North Dakota — 5 inspections (past 24 months)

Inspection activity   Inspected in 4 states over the past 24 months: SD (14), MT (6), ND (5), US (1). Home base: Isabel, South Dakota.

Safety Record

2 Severe Violations Updated 2 days ago

Crashes (24 mo)

  • 1
    Fatal
  • 0
    Injury
  • 0
    Tow
  • 1
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.93 2 Crash Indicator Not Public — Hours of Service 0.34 2 Vehicle Maintenance 1.62 5 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.22 1

Inspection Summary

  • 26
    Total
  • 17
    Clean
  • 9
    With violations

24-month window ending Sep 25, 2026

Violations Cited 12 unique codes

Critical 1

  • 383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDL1× OOS×1 SW 8

Hours of Service 2

  • 395.8E-HOSPDHOS (Property) - No driver may make a false report in connection with a duty status. Explain1× SW 7
  • 395.24HOS (ELD) - ELD Form and Manner1× SW 1

Unsafe Driving 2

  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit2× SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation1× SW 3

Vehicle Maintenance 6

  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured1× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt1× SW 4
  • 393.53B-BAir Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19981× SW 4
  • 393.11B-CSLRRConspicuity Systems - Trailers, lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19931× SW 3
  • 393.78A-WSWashers - Inoperative washing system.1× SW 1

Hazardous Materials 1

  • 172.602A-HMERHM (Emergency Response) - No emergency response information1× SW 3

Locations

Physical Address
LOCKEN OIL LLC
301 NORTH MAIN
ISABEL, SD 57633
Mailing Address
LOCKEN OIL LLC
PO BOX 204
ISABEL, SD 57633

Location on Map

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