Equipment unit · VIN-decoded · NHTSA vPIC

2001 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS25371U612903 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 11, 2023
TX
Last seenMay 13, 2026
CA
Inspected under 2 different carriers in 34 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
1UYVS25371U612903
Make
Utility trailer manufacturer
Model
Utility Trailer Manufacturer
Model year
2001
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 11, 2023 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026CAII · Walk-around5—ROCK ON TRANS LLC 23272194UL7971/CA
May 10, 2026CAII · Walk-around8OOSROCK ON TRANS LLC 23272194UL7971/CA
Jul 11, 2023TXII · Walk-around2—WESTERN ENTERPRISE CARGO SOLUTIONS INC 9304464UL7971/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCK ON TRANS LLC2327219May 10, 2026May 13, 20262WA
WESTERN ENTERPRISE CARGO SOLUTIONS INC930446Jul 11, 2023Jul 11, 20231OK
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.
4UL7971CA—ROCK ON TRANS LLCMay 10, 2026 → May 13, 20262
4UL7971CA—WESTERN ENTERPRISE CARGO SOLUTIONS INCJul 11, 2023 → Jul 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026