Equipment unit · VIN-decoded · NHTSA vPIC

2018 Stoughton Trailers

1DW1A5322JBA04310 · Trailer · TRAILER
Carriers run under4
27 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 22, 2023
CA
Last seenOct 18, 2025
CA
Inspected under 4 different carriers in 27 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
1DW1A5322JBA04310
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
A04310

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 · Jul 22, 2023 – Oct 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 18, 2025CAIII · Driver-only0SANGHA ROAD LINES INC 3102060HV19523/OR
Jun 9, 2025NYII · Walk-around0ALFA GROUP LLC 4030378HV19523/OR
Dec 18, 2024TXII · Walk-around3OOSOPULENT TRANSPORT LLC 3020089HV19523/OR
Jul 22, 2023CAI · Full0GOLD TREE TRANS INC 3945632HV19523/OR
Jul 22, 2023CAI · Full1OOSGOLD TREE TRANS INC 3945632HV19523/OR
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANGHA ROAD LINES INC3102060Oct 18, 2025Oct 18, 20251CA
ALFA GROUP LLC4030378Jun 9, 2025Jun 9, 20251NY
OPULENT TRANSPORT LLC3020089Dec 18, 2024Dec 18, 20241TX
GOLD TREE TRANS INC3945632Jul 22, 2023Jul 22, 20232PA
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.
HV19523ORSANGHA ROAD LINES INCOct 18, 2025Oct 18, 20251
HV19523ORALFA GROUP LLCJun 9, 2025Jun 9, 20251
HV19523OROPULENT TRANSPORT LLCDec 18, 2024Dec 18, 20241
HV19523ORGOLD TREE TRANS INCJul 22, 2023Jul 22, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026