Equipment unit · VIN-decoded · NHTSA vPIC

2020 Heil Trailer International

1HLJ1B7F0L9D40343 · TRAILER
Carriers run under3
30 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 11, 2023
TX
Last seenFeb 23, 2026
AR
Inspected under 3 different carriers in 30 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
1HLJ1B7F0L9D40343
Make
Heil Trailer International
Model
Not decoded
Model year
2020
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
J1B7F

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1990 or 2020

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

North American serial sequence
D40343

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
2020

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 · Aug 11, 2023 – Feb 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 23, 2026ARI · Full0ALTOM TRANSPORT INC 2975725369219/ME
Sep 3, 2025INII · Walk-around1ALTOM TRANSPORT INC 2975725369219/ME
Aug 18, 2025TNI · Full0ALTOM TRANSPORT INC 2975725369219/ME
May 14, 2024COII · Walk-around0SERVICE TRANSPORT COMPANY 229662015F801/TX
Oct 30, 2023VAI · Full0SERVICE TRANSPORT COMPANY 22966215F801/TX
Aug 11, 2023TXII · Walk-around0EVONIK CORPORATION 3957995015F801/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALTOM TRANSPORT INC297572Aug 18, 2025Feb 23, 20263IL
SERVICE TRANSPORT COMPANY229662Oct 30, 2023May 14, 20242TX
EVONIK CORPORATION3957995Aug 11, 2023Aug 11, 20231TX
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.
5369219ME2ALTOM TRANSPORT INCAug 18, 2025Feb 23, 20263
015F801TX2SERVICE TRANSPORT COMPANYMay 14, 2024May 14, 20241
15F801TX2SERVICE TRANSPORT COMPANYOct 30, 2023Oct 30, 20231
015F801TXEVONIK CORPORATIONAug 11, 2023Aug 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026