Equipment unit · VIN-decoded · NHTSA vPIC

2024 Stoughton Trailers

1DW1A5321RSB49009 · Trailer · TRAILER
Carriers run under4
18 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 1, 2023
AR
Last seenMar 4, 2025
US
Inspected under 4 different carriers in 18 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
1DW1A5321RSB49009
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1994 or 2024

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

North American serial sequence
B49009

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
2024

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 1, 2023 – Mar 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 4, 2025USI · Full2REFLEN SA DE CV 8475935222910/ME
Jul 19, 2024TXI · Full2TSI LOGISTICA FRONTERIZA S DE RL DE CV 24127935222910/ME
Jan 13, 2024LAIII · Driver-only0ROYAL EXPRESS INC 8381175221910/ME
Sep 1, 2023ARI · Full2TRANSPORTATION SERVICES INC 1985221910/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REFLEN SA DE CV847593Mar 4, 2025Mar 4, 20251TA
TSI LOGISTICA FRONTERIZA S DE RL DE CV2412793Jul 19, 2024Jul 19, 20241TA
ROYAL EXPRESS INC838117Jan 13, 2024Jan 13, 20241TX
TRANSPORTATION SERVICES INC198Sep 1, 2023Sep 1, 20231MI
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.
5222910MEREFLEN SA DE CVMar 4, 2025Mar 4, 20251
5222910METSI LOGISTICA FRONTERIZA S DE RL DE CVJul 19, 2024Jul 19, 20241
5221910MEROYAL EXPRESS INCJan 13, 2024Jan 13, 20241
5221910METRANSPORTATION SERVICES INCSep 1, 2023Sep 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026