Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5323PBB10273 · Trailer · TRAILER
Carriers run under4
21 mo
Inspections8
all-time
OOS inspections4
of 8
First seenMay 28, 2024
AZ
Last seenFeb 26, 2026
AZ
Inspected under 4 different carriers in 21 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
1DW1A5323PBB10273
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
B10273

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 · May 28, 2024 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026AZII · Walk-around5OOSUNITED BROTHERS SERVICES LLC 32670705113371/ME
Oct 22, 2025INIII · Driver-only7OOSUNITED BROTHERS SERVICES LLC 32670705113971/ME
Oct 11, 2025ARI · Full3OOSMACA TRANSPORTATION AND SERVICES LLC 33388425113971/ME
Jul 8, 2025NMII · Walk-around0UNITED BROTHERS SERVICES LLC 32670705113971/ME
Oct 3, 2024CAI · Full3OOSUNITED BROTHERS SERVICES LLC 32670705113971/ME
Sep 12, 2024FLII · Walk-around3LAZY TRUCKERS LLC 39758565113971/ME
Aug 28, 2024CAI · Full1LAZY TRUCKERS LLC 39758565113971/ME
May 28, 2024AZII · Walk-around2AZT AUTOS LLC 29322145113971/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED BROTHERS SERVICES LLC3267070Oct 3, 2024Feb 26, 20264MD
MACA TRANSPORTATION AND SERVICES LLC3338842Oct 11, 2025Oct 11, 20251OH
LAZY TRUCKERS LLC3975856Aug 28, 2024Sep 12, 20242OH
AZT AUTOS LLC2932214May 28, 2024May 28, 20241MD
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.
5113371MEUNITED BROTHERS SERVICES LLCFeb 26, 2026Feb 26, 20261
5113971MEUNITED BROTHERS SERVICES LLCOct 3, 2024Oct 22, 20253
5113971MEMACA TRANSPORTATION AND SERVICES LLCOct 11, 2025Oct 11, 20251
5113971MELAZY TRUCKERS LLCAug 28, 2024Sep 12, 20242
5113971MEAZT AUTOS LLCMay 28, 2024May 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026