Equipment unit · VIN-decoded · NHTSA vPIC

2001 Stoughton trailers Stoughton Trailers

1DW1A53231B483172 · Trailer · TRAILER
Carriers run under2
22 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 5, 2024
CA
Last seenJul 17, 2026
CA
Inspected under 2 different carriers in 22 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
1DW1A53231B483172
Make
Stoughton trailers
Model
Stoughton Trailers
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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 · Sep 5, 2024 – Jul 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 17, 2026CAI · Full2OOSM4 TRANSPORTATION LLC 17724454LW5066/CA
Mar 20, 2025CAII · Walk-around0—M4 TRANSPORTATION LLC 17724454LW5066/CA
Dec 24, 2024CAII · Walk-around2OOSM4 TRANSPORTATION LLC 17724454LW5066/CA
Sep 5, 2024CAII · Walk-around1—CALI4YA LOGISTICS INC 28653814LW5066/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M4 TRANSPORTATION LLC1772445Dec 24, 2024Jul 17, 20263CA
CALI4YA LOGISTICS INC2865381Sep 5, 2024Sep 5, 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.
4LW5066CA2M4 TRANSPORTATION LLCDec 24, 2024 → Jul 17, 20263
4LW5066CA—CALI4YA LOGISTICS INCSep 5, 2024 → Sep 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026