Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5321PBB11714 · Trailer · TRAILER
Carriers run under5
20 mo
Inspections6
all-time
OOS inspections1
of 6
First seenMar 6, 2024
AZ
Last seenNov 25, 2025
NM
Inspected under 5 different carriers in 20 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
1DW1A5321PBB11714
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
1993 or 2023

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

North American serial sequence
B11714

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
2023

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 · Mar 6, 2024 – Nov 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 25, 2025NMII · Walk-around0R & O FREIGHT LLC 3449699GWA77K/AZ
May 6, 2025COIII · Driver-only2BOOST CARRIERS INC 3336070GWA77K/AZ
Apr 28, 2025COIII · Driver-only0BIG DADDY TRUCKING LLC 3712221GWA77K/AZ
Sep 24, 2024MIIII · Driver-only1TCM LOGISTICS INC 4046918GWA77K/AZ
Jul 7, 2024NMI · Full2OOSTCM LOGISTICS LLC 3373359GWA77K/AZ
Mar 6, 2024AZIII · Driver-only0TCM LOGISTICS LLC 3373359GWA77K/AZ
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R & O FREIGHT LLC3449699Nov 25, 2025Nov 25, 20251AZ
BOOST CARRIERS INC3336070May 6, 2025May 6, 20251IL
BIG DADDY TRUCKING LLC3712221Apr 28, 2025Apr 28, 20251AZ
TCM LOGISTICS INC4046918Sep 24, 2024Sep 24, 20241ON
TCM LOGISTICS LLC3373359Mar 6, 2024Jul 7, 20242AZ
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.
GWA77KAZR & O FREIGHT LLCNov 25, 2025Nov 25, 20251
GWA77KAZBOOST CARRIERS INCMay 6, 2025May 6, 20251
GWA77KAZBIG DADDY TRUCKING LLCApr 28, 2025Apr 28, 20251
GWA77KAZTCM LOGISTICS INCSep 24, 2024Sep 24, 20241
GWA77KAZTCM LOGISTICS LLCMar 6, 2024Jul 7, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026