Equipment unit · VIN-decoded · NHTSA vPIC

2018 Heil Trailer International

1HLA3A7B3J7H53674 · TRAILER
Carriers run under1
21 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 14, 2023
TN
Last seenJun 21, 2025
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1HLA3A7B3J7H53674
Make
Heil Trailer International
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 21, 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
1HL

Deterministic · VIN positions 1–3.

Vehicle descriptor section
A3A7B

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

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

North American serial sequence
H53674

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.

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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
HEIL TRAILER INTERNATIONAL

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • 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 · Sep 14, 2023 – Jun 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 21, 2025MSII · Walk-around0HARPER TRANSPORT LLC 3566592307215T/TN
Mar 28, 2025TNIII · Driver-only0HARPER TRANSPORT LLC 3566592307215T/TN
Sep 14, 2023TNII · Walk-around0HARPER TRANSPORT LLC 3566592307215T/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HARPER TRANSPORT LLC3566592Sep 14, 2023Jun 21, 20253TN
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.
307215TTNHARPER TRANSPORT LLCSep 14, 2023Jun 21, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 21, 2026