Equipment unit · VIN-decoded · NHTSA vPIC

2012 Stoughton Trailers

1DW1A5328CS281107 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections13
all-time
OOS inspections2
of 13
First seenOct 26, 2023
CA
Last seenJun 25, 2026
CA
Inspected under 2 different carriers in 32 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
1DW1A5328CS281107
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1A532

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1982 or 2012

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
281107

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
STOUGHTON TRAILERS

Prefix basis · 12,945 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 12,945 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
STOUGHTON TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Stoughton Trailers

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 26, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026CAV · Vehicle-only1MONCHI TRANSPORT LLC 27066764WZ5586/CA
Oct 30, 2025CAIII · Driver-only1GIU LOGISTICS 35016444VB8888/CA
Sep 16, 2025CAIII · Driver-only0GIU LOGISTICS 35016444VB8888/CA
Sep 13, 2025CAII · Walk-around1OOSGIU LOGISTICS 35016444VB8888/CA
Jul 10, 2025CAI · Full1GIU LOGISTICS 35016444VB8888/CA
Apr 17, 2025CAI · Full2GIU LOGISTICS 35016444VB8888/CA
Apr 12, 2025CAII · Walk-around0GIU LOGISTICS 35016444VB8888/CA
Feb 13, 2025CAIII · Driver-only0GIU LOGISTICS 35016444VB8888/CA
Feb 1, 2025CAII · Walk-around0GIU LOGISTICS 35016444VB8888/CA
Nov 21, 2024CAII · Walk-around1GIU LOGISTICS 35016444VB8888/CA
Nov 14, 2024CAII · Walk-around6OOSGIU LOGISTICS 35016444VB8888/CA
Oct 31, 2024CAII · Walk-around0GIU LOGISTICS 35016444VB8888/CA
Oct 26, 2023CAIII · Driver-only0GIU LOGISTICS 35016444VB8888/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MONCHI TRANSPORT LLC2706676Jun 25, 2026Jun 25, 20261CA
GIU LOGISTICS3501644Oct 26, 2023Oct 30, 202512CA
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.
4WZ5586CA2MONCHI TRANSPORT LLCJun 25, 2026Jun 25, 20261
4VB8888CAGIU LOGISTICSOct 26, 2023Oct 30, 202512
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026