Equipment unit · VIN-decoded · NHTSA vPIC

2011 Heil Trailer International

5HTDL4526B5G23752 · Trailer · TRAILER
Carriers run under2
27 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 27, 2023
OK
Last seenOct 20, 2025
OK
Inspected under 2 different carriers in 27 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
5HTDL4526B5G23752
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
5HT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DL452

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1981 or 2011

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

North American serial sequence
G23752

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.

Make
HEIL TRAILER INTERNATIONAL

Prefix basis · 134 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 134 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
HEIL TRAILER INTERNATIONAL

Observed directly for this VIN via NHTSA vPIC.

Observed model
Heil Trailer International

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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

  • 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 – Oct 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2025OKII · Walk-around1ENERWEST TRADING CO LC 915897AQ5465/OK
Jul 22, 2025OKIII · Driver-only0ENERWEST TRADING CO LC 915897AQ5465/OK
Jul 15, 2025OKIII · Driver-only0ENERWEST TRADING CO LC 915897AQ5465/OK
Apr 19, 2024OKIII · Driver-only0ENERWEST TRADING CO LC 915897AQ5465/OK
Aug 31, 2023OKIII · Driver-only0GULFMARK ENERGY INC 229659BD1002/OK
Jul 27, 2023OKIII · Driver-only0GULFMARK ENERGY INC 229659BD1002/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ENERWEST TRADING CO LC915897Apr 19, 2024Oct 20, 20254OK
GULFMARK ENERGY INC229659Jul 27, 2023Aug 31, 20232TX
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.
AQ5465OKENERWEST TRADING CO LCApr 19, 2024Oct 20, 20254
BD1002OKGULFMARK ENERGY INCJul 27, 2023Aug 31, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026