Equipment unit · VIN-decoded · NHTSA vPIC

1995 Heil Trailer International

1HLA4A8D1S7L58131 · TRAILER
Carriers run under3
21 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 27, 2023
MI
Last seenApr 21, 2025
MI
Inspected under 3 different carriers in 21 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

VIN
1HLA4A8D1S7L58131
Make
Heil Trailer International
Model
Not decoded
Model year
1995
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
A4A8D

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
L58131

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
1995

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 · Jul 27, 2023 – Apr 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2025MIIII · Driver-only1BIOTECH AGRONOMICS INC 1188243F041926/MI
Aug 1, 2024MIII · Walk-around3HUDSON BROTHERS TRUCKING LLC 2940920F041926/MI
Jul 27, 2023MII · Full3KUPIEC FARMS TRUCKING INC 3340851E289193MI/MI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIOTECH AGRONOMICS INC1188243Apr 21, 2025Apr 21, 20251MI
HUDSON BROTHERS TRUCKING LLC2940920Aug 1, 2024Aug 1, 20241MI
KUPIEC FARMS TRUCKING INC3340851Jul 27, 2023Jul 27, 20231MI
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.
F041926MIBIOTECH AGRONOMICS INCApr 21, 2025Apr 21, 20251
F041926MIHUDSON BROTHERS TRUCKING LLCAug 1, 2024Aug 1, 20241
E289193MIMIKUPIEC FARMS TRUCKING INCJul 27, 2023Jul 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 21, 2026