Fleet typeIdentity
Owner-operator
3 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 646584 · Updated Jul 3, 2026
John Mark Brown
3 power unitsMORGANFIELD, KY50/100
AUTHORITY STATUS UNKNOWN
Observed fleet · trailing 24 mo daily
3Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision · FMCSA snapshot · Jul 3, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 2
In good standing · 1
USDOT registration3030 yr registered
Authority not on fileInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal—
No crash recordVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
30 yr unchanged
Same registration since 1996 — no chameleon / reincarnation signal.
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Verification summary
JOHN MARK BROWN (USDOT 646584) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jul 3, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jul 3, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jul 3, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jul 3, 2026.
It reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Mar 25, 2024.
It has no FMCSA-assigned safety rating in the federal record refreshed Jul 3, 2026.
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Frequently asked
What is JOHN MARK BROWN's USDOT number?
JOHN MARK BROWN's USDOT number is 646584.
Is JOHN MARK BROWN authorized to operate?
As of Jul 3, 2026, JOHN MARK BROWN is active in the FMCSA register.
How big is JOHN MARK BROWN's fleet?
JOHN MARK BROWN operates 3 power units and 2 drivers per its most recent MCS-150 filing.
Where is JOHN MARK BROWN based?
JOHN MARK BROWN is based in MORGANFIELD, KY.
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