Equipment unit · VIN-decoded · NHTSA vPIC

2011 Heil Trailer International

5HTSN4227B7T13844 · Trailer · TRAILER
Carriers run under1
23 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 17, 2024
TX
Last seenMay 25, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5HTSN4227B7T13844
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
SN422

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
T13844

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 · 454 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 454 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 · Jun 17, 2024 – May 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 25, 2026TXII · Walk-around0M A W CONTRACTING LLC 1971252245C123/TX
May 12, 2026TXII · Walk-around0M A W CONTRACTING LLC 1971252245C123/TX
Dec 28, 2025TXIII · Driver-only1M A W CONTRACTING LLC 1971252245C123/TX
Nov 16, 2025TXII · Walk-around0M A W CONTRACTING LLC 1971252245C123/TX
Sep 12, 2024TXII · Walk-around0M A W CONTRACTING LLC 1971252245C123/TX
Jun 17, 2024TXII · Walk-around0M A W CONTRACTING LLC 1971252Y73255/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M A W CONTRACTING LLC1971252Jun 17, 2024May 25, 20266TX
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.
245C123TXM A W CONTRACTING LLCSep 12, 2024May 25, 20265
Y73255TXM A W CONTRACTING LLCJun 17, 2024Jun 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026