Equipment unit · VIN-decoded · NHTSA vPIC

1999 Superior trailer works Superior Trailer Works

1S9S00004X0009763 · Trailer · TRAILER
Carriers run under1
17 mo
Inspections5
all-time
OOS inspections4
of 5
First seenFeb 4, 2025
CA
Last seenJul 10, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1S9S00004X0009763
Make
Superior trailer works
Model
Superior Trailer Works
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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 4, 2025 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026CAI · Full6OOSSPEEDY DUMPS 37150564WR3630/CA
Apr 29, 2026CAV · Vehicle-only0—SPEEDY DUMPS 37150564WR3630/CA
Sep 10, 2025CAII · Walk-around5OOSSPEEDY DUMPS 37150564WR3630/CA
Jun 5, 2025CAII · Walk-around7OOSSPEEDY DUMPS 3715056WB8121/CA
Feb 4, 2025CAII · Walk-around5OOSSPEEDY DUMPS 37150564WB8121/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEEDY DUMPS3715056Feb 4, 2025Jul 10, 20265CA
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.
4WR3630CA2SPEEDY DUMPSSep 10, 2025 → Jul 10, 20263
WB8121CA—SPEEDY DUMPSJun 5, 2025 → Jun 5, 20251
4WB8121CA—SPEEDY DUMPSFeb 4, 2025 → Feb 4, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026