Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW4C5325PPB28753 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 15, 2025
WA
Last seenJan 21, 2026
WA
Inspected under 2 different carriers in 9 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
1DW4C5325PPB28753
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 14, 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
4C532

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
B28753

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 · 33 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 33 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 · Apr 15, 2025 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026WAIII · Driver-only0STG DRAYAGE LLC 688143311825T/TN
Apr 15, 2025WAII · Walk-around1OOSWASHINGTON FREIGHT SERVICE LLC 2542736311825T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STG DRAYAGE LLC688143Jan 21, 2026Jan 21, 20261OH
WASHINGTON FREIGHT SERVICE LLC2542736Apr 15, 2025Apr 15, 20251WA
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.
311825TTNSTG DRAYAGE LLCJan 21, 2026Jan 21, 20261
311825TTNWASHINGTON FREIGHT SERVICE LLCApr 15, 2025Apr 15, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 14, 2026