Equipment unit · VIN-decoded · NHTSA vPIC

2003 Heil Trailer International

5HTAB442237K66998 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 22, 2023
VT
Last seenApr 6, 2026
VT
Inspected under 2 different carriers in 32 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
5HTAB442237K66998
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2003
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
AB442

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2003 or 2033

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

North American serial sequence
K66998

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 · 605 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 605 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
2003

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 · Aug 22, 2023 – Apr 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2026VTI · Full3VERMONT ROADS & FIELDS TRANSPORT LLC 2995265AST170/VT
Jan 7, 2026VTII · Walk-around1VERMONT ROADS & FIELDS TRANSPORT LLC 2995265AST170/VT
Nov 5, 2025VTII · Walk-around0VERMONT ROADS & FIELDS TRANSPORT LLC 2995265AST170/VT
Sep 30, 2025VTII · Walk-around2VERMONT ROADS & FIELDS LLC 1459498AST170/VT
Nov 7, 2024VTII · Walk-around1VERMONT ROADS & FIELDS LLC 1459498AST170/VT
Jan 2, 2024VTII · Walk-around0VERMONT ROADS & FIELDS LLC 1459498AST170/VT
Aug 22, 2023VTII · Walk-around0VERMONT ROADS & FIELDS LLC 1459498AST170/VT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VERMONT ROADS & FIELDS TRANSPORT LLC2995265Nov 5, 2025Apr 6, 20263VT
VERMONT ROADS & FIELDS LLC1459498Aug 22, 2023Sep 30, 20254VT
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.
AST170VTVERMONT ROADS & FIELDS TRANSPORT LLCNov 5, 2025Apr 6, 20263
AST170VTVERMONT ROADS & FIELDS LLCAug 22, 2023Sep 30, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026