Equipment unit · VIN-decoded · NHTSA vPIC

2016 Stoughton Trailers

1DW1A532XGB622318 · Trailer · TRAILER
Carriers run under5
23 mo
Inspections9
all-time
OOS inspections4
of 9
First seenJul 30, 2024
TN
Last seenJun 15, 2026
MI
Inspected under 5 different carriers in 23 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
1DW1A532XGB622318
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
1986 or 2016

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

North American serial sequence
622318

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
2016

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 30, 2024 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026MIII · Walk-around1TEX-57 TRANSPORT LLC 29301355330384/ME
Jun 15, 2026MIII · Walk-around1TEX-57 TRANSPORT LLC 29301355330384/ME
Jan 27, 2026MSIII · Driver-only3FROST FREIGHT INC 15408685330384/ME
Jan 19, 2026LAIII · Driver-only0FROST FREIGHT INC 15408685330384/ME
Jun 2, 2025TXI · Full4OOSTRIPLE RRR CARRIERS INC 30313645330384/ME
Feb 15, 2025TNI · Full1OOSTRIPLE RRR CARRIERS INC 30313645330384/ME
Jan 27, 2025MDIII · Driver-only0TRIPLE RRR CARRIERS INC 30313645330384/ME
Aug 7, 2024TXI · Full3OOSROYAL EXPRESS INC 8381175330384/ME
Jul 30, 2024TNI · Full1OOSUS PORTION LLC 30060285330384/ME
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TEX-57 TRANSPORT LLC2930135Jun 15, 2026Jun 15, 20262TX
FROST FREIGHT INC1540868Jan 19, 2026Jan 27, 20262TX
TRIPLE RRR CARRIERS INC3031364Jan 27, 2025Jun 2, 20253TX
ROYAL EXPRESS INC838117Aug 7, 2024Aug 7, 20241TX
US PORTION LLC3006028Jul 30, 2024Jul 30, 20241TX
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.
5330384ME2TEX-57 TRANSPORT LLCJun 15, 2026Jun 15, 20262
5330384MEFROST FREIGHT INCJan 19, 2026Jan 27, 20262
5330384METRIPLE RRR CARRIERS INCJan 27, 2025Jun 2, 20253
5330384MEROYAL EXPRESS INCAug 7, 2024Aug 7, 20241
5330384MEUS PORTION LLCJul 30, 2024Jul 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026