Equipment unit · VIN-decoded · NHTSA vPIC

2011 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS2534BU124302 · Trailer · TRAILER
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 25, 2023
AZ
Last seenJun 30, 2026
CA
Inspected under 2 different carriers in 33 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
1UYVS2534BU124302
Make
Utility trailer manufacturer
Model
Utility Trailer Manufacturer
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 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 · Sep 25, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026CAII · Walk-around4OOSHAP TRANSPORT INC 25719874LH6571/CA
Jun 13, 2026CAII · Walk-around5—HAP TRANSPORT INC 25719874LH6571/CA
Dec 18, 2023AZII · Walk-around7OOSPORTER UNLIMITED LLC 36800924LH6571/CA
Sep 25, 2023AZIII · Driver-only1—PORTER UNLIMITED LLC 36800924LH6571/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAP TRANSPORT INC2571987Jun 13, 2026Jun 30, 20262CA
PORTER UNLIMITED LLC3680092Sep 25, 2023Dec 18, 20232CA
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.
4LH6571CA2HAP TRANSPORT INCJun 13, 2026 → Jun 30, 20262
4LH6571CA—PORTER UNLIMITED LLCSep 25, 2023 → Dec 18, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026