Equipment unit · VIN-decoded · NHTSA vPIC

2018 Stoughton Trailers

1DW1A532XJBA04331 · Trailer · TRAILER
Carriers run under4
34 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 21, 2023
AZ
Last seenJul 10, 2026
SC
Inspected under 4 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
1DW1A532XJBA04331
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 15, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
A04331

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
2018

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 · Sep 21, 2023 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026SCIII · Driver-only1BIG APPLE LOGISTICS INC 3533159HV19343/OR
Jun 25, 2026VAIII · Driver-only0STEVEN TRANSPORT LLC 3867509HV19343/OR
Aug 27, 2024MII · Full1CHIEF SHEPHERD LLC 3765620HV19343/OR
Sep 21, 2023AZII · Walk-around8OOSSEMPER FI GROUP LLC 3369608HV19343/OR
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG APPLE LOGISTICS INC3533159Jul 10, 2026Jul 10, 20261PA
STEVEN TRANSPORT LLC3867509Jun 25, 2026Jun 25, 20261NC
CHIEF SHEPHERD LLC3765620Aug 27, 2024Aug 27, 20241MI
SEMPER FI GROUP LLC3369608Sep 21, 2023Sep 21, 20231CA
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.
HV19343OR2BIG APPLE LOGISTICS INCJul 10, 2026Jul 10, 20261
HV19343OR2STEVEN TRANSPORT LLCJun 25, 2026Jun 25, 20261
HV19343ORCHIEF SHEPHERD LLCAug 27, 2024Aug 27, 20241
HV19343ORSEMPER FI GROUP LLCSep 21, 2023Sep 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 15, 2026