Equipment unit · VIN-decoded · NHTSA vPIC

2019 Heil Trailer International

1HLS4M7B7K7T01437 · TRAILER
Carriers run under2
2 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 20, 2026
TX
Last seenJun 7, 2026
TX
Inspected under 2 different carriers in 2 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
1HLS4M7B7K7T01437
Make
Heil Trailer International
Model
Not decoded
Model year
2019
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
S4M7B

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
T01437

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
2019

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 · Apr 20, 2026 – Jun 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 7, 2026TXII · Walk-around3MAP CARGO LLC 409074028Z355W/TX
May 13, 2026USII · Walk-around2GNR CARRIERS LLC 4269355280B083/TX
Apr 30, 2026TXII · Walk-around0GNR CARRIERS LLC 4269355280B083/TX
Apr 20, 2026TXII · Walk-around2GNR CARRIERS LLC 4269355280B083/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAP CARGO LLC4090740Jun 7, 2026Jun 7, 20261TX
GNR CARRIERS LLC4269355Apr 20, 2026May 13, 20263TX
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.
28Z355WTXMAP CARGO LLCJun 7, 2026Jun 7, 20261
280B083TXGNR CARRIERS LLCApr 20, 2026May 13, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026