Fleet typeIdentity
Unclassified
Fleet signal still resolving
Carrier profile · USDOT 379477 · MC-226470 · Updated Jun 13, 2026
Ralph L Kirby Iii
DBA KIRBY TRUCKING
0 power unitsWINSLOW, AZ50/100
CARRIER INACTIVEMC-226470 INACTIVE
Observed fleet · trailing 24 mo daily
0Power 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 · Jun 13, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 2
In good standing · 1
USDOT registration3636 yr registered
No active authorityInsurance (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
36 yr unchanged
Same registration since 1990 — no chameleon / reincarnation signal.
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Verification summary
RALPH L KIRBY III (USDOT 379477) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I as of Jun 13, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 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 Jun 13, 2026.
It reports 0 power units in its most recent MCS-150 filing available in the FMCSA record refreshed Jun 13, 2026.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is RALPH L KIRBY III's USDOT number?
RALPH L KIRBY III's USDOT number is 379477, and its motor carrier number is MC-226470.
Is RALPH L KIRBY III authorized to operate?
As of Jun 13, 2026, RALPH L KIRBY III is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is RALPH L KIRBY III's fleet?
RALPH L KIRBY III operates 0 power units per its most recent MCS-150 filing.
Where is RALPH L KIRBY III based?
RALPH L KIRBY III is based in WINSLOW, AZ.
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