Equipment unit · VIN-decoded · NHTSA vPIC

1DW4C5325RPB45183

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 13, 2025
CA
Last seenFeb 21, 2026
WA
Inspected under 2 different carriers in 12 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
1994 or 2024

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

North American serial sequence
B45183

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.

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 · Feb 13, 2025 – Feb 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2026WAIII · Driver-only0T & N FREIGHT LLC 957855376190T/TN
Feb 13, 2025CAII · Walk-around0ALSADOON GROUP ENTERPRISES LLC 4084678376190T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
T & N FREIGHT LLC957855Feb 21, 2026Feb 21, 20261WA
ALSADOON GROUP ENTERPRISES LLC4084678Feb 13, 2025Feb 13, 20251CA
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.
376190TTNT & N FREIGHT LLCFeb 21, 2026Feb 21, 20261
376190TTNALSADOON GROUP ENTERPRISES LLCFeb 13, 2025Feb 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC