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USDOT 936545MC-403455Active

Gerlock Towing

Legal name: Hckm LLC

Gerlock Towing's DOT number is USDOT 936545, MC number MC-403455.

Needs attention

1 item to check

Based in

Portland, OR

Power units

19

Drivers

16

Operation

Interstate · hazmat

Watch Gerlock Towing for free

Next MCS-150 due: May 31, 2028

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Compliance check

From the FMCSA census and inspection files, checked Oct 20, 2026.

  • USDOT number status

    OK

    Active in the FMCSA census.

  • MCS-150 biennial update

    OK

    Next due May 31, 2028. Last filed Mar 30, 2026.

  • Operating authority (MC-403455)

    OK

    Authority shows active.

  • Safety rating

    Info

    Not rated. Most carriers are unrated until a compliance review.

  • Out-of-service rate (24 months)

    Check

    Vehicle 75% vs 22.26% national, driver 28.6% vs 6.67% national, across 7 inspections.

  • UCR registration 2027

    Info

    Interstate carriers must register with UCR every year. 2027 registration is open now. Estimated fee for 19 power units: $333 (bracket 3).

Roadside inspections, last 24 months

TypeInspectionsOut of serviceOOS rateNational avg
Vehicle4375%22.26%
Driver7228.6%6.67%

7 inspections and 16 violations since Oct 20, 2024. Last inspection Sep 23, 2026. National averages are FMCSA-published approximations.

Registration details

Legal name
Hckm LLC
DBA
Gerlock Towing
Classification
authorized for hire
CDL drivers
16
MCS-150 last filed
Mar 30, 2026
Reported mileage
355,836 (2025)
Added to FMCSA
Feb 28, 2001
Safety rating
Not rated

Source: FMCSA Motor Carrier Census and Vehicle Inspection File (data.transportation.gov), public records. Contact details are intentionally not shown. MyDotCheck is an independent service and is not affiliated with, endorsed by, or part of the U.S. Department of Transportation or FMCSA. Data comes from public FMCSA datasets and may lag official records by a day or more. Government filings can be made directly with FMCSA at no charge.