Equipment unit · VIN-decoded · NHTSA vPIC

1PT01ANH4X8000581

Not yet decoded
Carriers run under2
28 mo
Inspections2
all-time
OOS inspections2
of 2
First seenJan 23, 2024
TN
Last seenMay 22, 2026
AZ
Inspected under 2 different carriers in 28 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
1PT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
01ANH

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1999 or 2029

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

North American serial sequence
000581

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
TRAILMOBILE

Prefix basis · 120 decoded VINs at 100.0% prefix purity.

Model
Trailmobile Trailer

Prefix basis · 120 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 · Jan 23, 2024 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026AZII · Walk-around11OOSFNR LOGISTICS CORP 4386940PT329W2/PA
Jan 23, 2024TNII · Walk-around3OOSHIGHWAY FREIGHT SYSTEMS INC 1444559PT597L4/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FNR LOGISTICS CORP4386940May 22, 2026May 22, 20261PA
HIGHWAY FREIGHT SYSTEMS INC1444559Jan 23, 2024Jan 23, 20241PA
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.
PT329W2PAFNR LOGISTICS CORPMay 22, 2026May 22, 20261
PT597L4PAHIGHWAY FREIGHT SYSTEMS INCJan 23, 2024Jan 23, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC