Equipment unit · VIN-decoded · NHTSA vPIC

2024 Heil Trailer International

1HLS1M7F4R5T01655 · TRAILER
Carriers run under2
24 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 11, 2023
TX
Last seenDec 14, 2025
TX
Inspected under 2 different carriers in 24 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
1HLS1M7F4R5T01655
Make
Heil Trailer International
Model
Not decoded
Model year
2024
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
S1M7F

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1994 or 2024

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

North American serial sequence
T01655

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
2024

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 · Dec 11, 2023 – Dec 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 14, 2025TXII · Walk-around1MKP ENTERPRISES LLC 2207464197C199/TX
Jul 16, 2025TXII · Walk-around0SISU ENERGY LLC 3328258197C199/TX
Apr 17, 2024TXII · Walk-around1SISU ENERGY LLC 3328258197C199/TX
Dec 11, 2023TXII · Walk-around0SISU ENERGY LLC 3328258197C199/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MKP ENTERPRISES LLC2207464Dec 14, 2025Dec 14, 20251TX
SISU ENERGY LLC3328258Dec 11, 2023Jul 16, 20253TX
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.
197C199TXMKP ENTERPRISES LLCDec 14, 2025Dec 14, 20251
197C199TXSISU ENERGY LLCDec 11, 2023Jul 16, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026