Equipment unit · VIN-decoded · NHTSA vPIC

2007 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS25317U013231 · Trailer · TRAILER

Carriers run under2

14 mo

Inspections3

all-time

OOS inspections0

of 3

First seenJan 31, 2024

Last seenMar 10, 2025

Inspected under 2 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1UYVS25317U013231
Make: Utility trailer manufacturer
Model: Utility Trailer Manufacturer
Model year: 2007
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 · Jan 31, 2024 – Mar 10, 2025

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Mar 10, 2025	CA	III · Driver-only	0	—	SEBASTIAN CASTRO 4050049	4TM9537/CA
Apr 1, 2024	US	II · Walk-around	3	—	NAVIL POLET LOPEZ CASTILLO 3438545	4TM9537/CA
Jan 31, 2024	CA	III · Driver-only	1	—	NAVIL POLET LOPEZ CASTILLO 3438545	4TM9537/CA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
SEBASTIAN CASTRO	4050049	Mar 10, 2025	Mar 10, 2025	1	CA
NAVIL POLET LOPEZ CASTILLO	3438545	Jan 31, 2024	Apr 1, 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.
4TM9537	CA	—	SEBASTIAN CASTRO	Mar 10, 2025 → Mar 10, 2025	1
4TM9537	CA	—	NAVIL POLET LOPEZ CASTILLO	Jan 31, 2024 → Apr 1, 2024	2

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