Equipment unit · VIN-decoded · NHTSA vPIC

2003 Superior trailer works Superior Trailer Works

1S9S0000430009188 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections3
all-time
OOS inspections1
of 3
First seenFeb 22, 2024
CA
Last seenJul 7, 2026
CA
Inspected under 2 different carriers in 29 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
1S9S0000430009188
Make
Superior trailer works
Model
Superior Trailer Works
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 22, 2024 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026CAII · Walk-around7—GUERRERO'S TRANSPORT INC 33938814WB4538/CA
Apr 1, 2026CAI · Full17OOSGUERRERO'S TRANSPORT INC 33938814WB4538/CA
Feb 22, 2024CAII · Walk-around2—WC LOGISTICS INC 9921424DZ4081/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GUERRERO'S TRANSPORT INC3393881Apr 1, 2026Jul 7, 20262CA
WC LOGISTICS INC992142Feb 22, 2024Feb 22, 20241CA
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.
4WB4538CA2GUERRERO'S TRANSPORT INCApr 1, 2026 → Jul 7, 20262
4DZ4081CA—WC LOGISTICS INCFeb 22, 2024 → Feb 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026