Fleet typeIdentity
Small fleet
4 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 3613881 · MC-1231912 ·
William Callahan
DBA W CALLAHAN EXCAVATION
4 power unitsREADING, MA50/100
AUTHORITY STATUS UNKNOWNMC-1231912 STATUS UNKNOWN
Observed fleet · trailing 24 mo daily
4Power 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 ·
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 2
In good standing · 1
USDOT registration55 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
5 yr unchanged
Same registration since 2021 — no chameleon / reincarnation signal.
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Verification summary
WILLIAM CALLAHAN (USDOT 3613881) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Aug 16, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available. FMCSA authority data as of Sep 3, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Aug 16, 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. FMCSA operations data as of Sep 17, 2026.
It reports 4 power units and 5 drivers in its most recent MCS-150 filing dated Mar 20, 2026. FMCSA identity data as of Sep 3, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Sep 3, 2026.
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Frequently asked
What is WILLIAM CALLAHAN's USDOT number?
WILLIAM CALLAHAN's USDOT number is 3613881, and its motor carrier number is MC-1231912.
Is WILLIAM CALLAHAN authorized to operate?
FMCSA authority data as of Sep 3, 2026. WILLIAM CALLAHAN is active in the FMCSA register.
How big is WILLIAM CALLAHAN's fleet?
WILLIAM CALLAHAN operates 4 power units and 5 drivers per its most recent MCS-150 filing.
Where is WILLIAM CALLAHAN based?
WILLIAM CALLAHAN is based in READING, MA.
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