Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A5326FB533814

Not yet decoded
Carriers run under2
11 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJul 30, 2025
NC
Last seenJun 30, 2026
TN
Inspected under 2 different carriers in 11 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
1A532

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
533814

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.

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 · Jul 30, 2025 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026TNI · Full2OOSMAD TRUCKING LLC 4509892U995398/TN
Jul 30, 2025NCIII · Driver-only0TUCKER BOYZ TRANSPORTATION LLC 2003869U995398/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAD TRUCKING LLC4509892Jun 30, 2026Jun 30, 20261VA
TUCKER BOYZ TRANSPORTATION LLC2003869Jul 30, 2025Jul 30, 20251TN
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.
U995398TN2MAD TRUCKING LLCJun 30, 2026Jun 30, 20261
U995398TNTUCKER BOYZ TRANSPORTATION LLCJul 30, 2025Jul 30, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC