Fleet typeIdentity
Owner-operator
3 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1517935 · MC-689093 · Updated Aug 20, 2026
John Chamberlin
DBA CHAMBERLIN MATERIALS
3 power unitsDENTON, TX50/100
CARRIER INACTIVEMC-689093 INACTIVE
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 · Aug 20, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 3
No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 3 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 4.9 years old; fleet/mileage figures may be unreliable.
In good standing · 1
USDOT registration2020 yr registered
No active authorityInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal00
No activity in windowVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
20 yr unchanged
Same registration since 2006 — no chameleon / reincarnation signal.
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Verification summary
JOHN CHAMBERLIN (USDOT 1517935) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I as of Aug 20, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 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 Aug 20, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.
It reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Sep 16, 2021.
It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.
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Frequently asked
What is JOHN CHAMBERLIN's USDOT number?
JOHN CHAMBERLIN's USDOT number is 1517935, and its motor carrier number is MC-689093.
Is JOHN CHAMBERLIN authorized to operate?
As of Aug 20, 2026, JOHN CHAMBERLIN is active in the FMCSA register with common, contract, broker operating authority on file.
How big is JOHN CHAMBERLIN's fleet?
JOHN CHAMBERLIN operates 3 power units and 2 drivers per its most recent MCS-150 filing.
Where is JOHN CHAMBERLIN based?
JOHN CHAMBERLIN is based in DENTON, TX.
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