Equipment unit · VIN-decoded · NHTSA vPIC

3HSDZAPR7KN343522

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJul 15, 2024
TN
Last seenOct 15, 2025
MD
Inspected under 2 different carriers in 15 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
3HS

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DZAPR

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1989 or 2019

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

North American serial sequence
343522

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 15, 2024 – Oct 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 15, 2025MDII · Walk-around1CASTRO TRANSPORT LLC 3792774B539AA/NJ
Jul 15, 2024TNII · Walk-around1OOSAMERICAN TRANSPORT SERVICES LLC 29532693381279/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASTRO TRANSPORT LLC3792774Oct 15, 2025Oct 15, 20251NJ
AMERICAN TRANSPORT SERVICES LLC2953269Jul 15, 2024Jul 15, 20241SC
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.
B539AANJCASTRO TRANSPORT LLCOct 15, 2025Oct 15, 20251
3381279INAMERICAN TRANSPORT SERVICES LLCJul 15, 2024Jul 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC