Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS2531M2211606 · Trailer · TRAILER
Carriers run under3
14 mo
Inspections9
all-time
OOS inspections2
of 9
First seenMay 10, 2025
WY
Last seenJul 31, 2026
OR
Inspected under 3 different carriers in 14 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1UYVS2531M2211606
Make
Utility trailer manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · May 10, 2025 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026ORIII · Driver-only2—N B X INC 28413084WW4530/CA
May 14, 2026CAI · Full8OOSN B X INC 28413084WW4530/CA
May 7, 2026WAIII · Driver-only0—NATIONAL FREIGHTLINER INC 31926684WW4530/CA
Apr 22, 2026CAIII · Driver-only3—NATIONAL FREIGHTLINER INC 31926684WW4530/CA
Feb 23, 2026AZII · Walk-around3—N B X INC 28413084WW4530/CA
Aug 15, 2025NMII · Walk-around0—NATIONAL FREIGHT LOGISTICS INC 42931844WW4530/CA
Aug 6, 2025UTIII · Driver-only2OOSNATIONAL FREIGHT LOGISTICS INC 42931844WW4530/CA
Jul 20, 2025NMII · Walk-around1—NATIONAL FREIGHTLINER INC 31926684WW4530/CA
May 10, 2025WYIII · Driver-only7—N B X INC 2841308211606/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
N B X INC2841308May 10, 2025Jul 31, 20264CA
NATIONAL FREIGHTLINER INC3192668Jul 20, 2025May 7, 20263CA
NATIONAL FREIGHT LOGISTICS INC4293184Aug 6, 2025Aug 15, 20252WA
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
4WW4530CA2N B X INCFeb 23, 2026 → Jul 31, 20263
4WW4530CA—NATIONAL FREIGHTLINER INCJul 20, 2025 → May 7, 20263
4WW4530CA—NATIONAL FREIGHT LOGISTICS INCAug 6, 2025 → Aug 15, 20252
211606CA—N B X INCMay 10, 2025 → May 10, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026