Equipment unit · VIN-decoded · NHTSA vPIC

2003 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS12843P935804 · Trailer · TRAILER

Carriers run under2

18 mo

Inspections3

all-time

OOS inspections0

of 3

First seenDec 6, 2023

Last seenJun 6, 2025

Inspected under 2 different carriers in 18 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1UYVS12843P935804
Make: Utility trailer manufacturer
Model: Utility Trailer Manufacturer
Model year: 2003
Body class: Trailer
Vehicle type: TRAILER
GVWR: Not decoded
Decoded at: Jul 26, 2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · Dec 6, 2023 – Jun 6, 2025

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Jun 6, 2025	CA	I · Full	0	—	J B HUNT TRANSPORT INC 80806	4BS9928/CA
Jan 26, 2024	CA	I · Full	0	—	WESTERN WINDOW HOLDING LLC 723097	4BS9928/CA
Dec 6, 2023	CA	III · Driver-only	1	—	WESTERN WINDOW HOLDING LLC 723097	4BS9928/CA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
J B HUNT TRANSPORT INC	80806	Jun 6, 2025	Jun 6, 2025	1	AR
WESTERN WINDOW HOLDING LLC	723097	Dec 6, 2023	Jan 26, 2024	2	CA

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
4BS9928	CA	—	J B HUNT TRANSPORT INC	Jun 6, 2025 → Jun 6, 2025	1
4BS9928	CA	—	WESTERN WINDOW HOLDING LLC	Dec 6, 2023 → Jan 26, 2024	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026