Equipment unit · VIN-decoded · NHTSA vPIC

1997 Heil Trailer International

5HTAB4537V7L61342 · Trailer · TRAILER
Carriers run under3
29 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 21, 2023
US
Last seenFeb 18, 2026
VT
Inspected under 3 different carriers in 29 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
5HTAB4537V7L61342
Make
Heil Trailer International
Model
Heil Trailer International
Model year
1997
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
AB453

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1997 or 2027

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

North American serial sequence
L61342

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 · 20 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 20 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
1997

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 · Sep 21, 2023 – Feb 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2026VTII · Walk-around3OOSVERMONT ROADS & FIELDS TRANSPORT LLC 2995265AST278/VT
May 7, 2025VTIII · Driver-only1VERMONT ROADS & FIELDS LLC 1459498AST278/VT
Apr 3, 2024NYII · Walk-around0MACK TRANSPORT LLC 4070694AST278/VT
Sep 21, 2023USI · Full1MACK TRANSPORT LLC 4070694AST278/VT
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VERMONT ROADS & FIELDS TRANSPORT LLC2995265Feb 18, 2026Feb 18, 20261VT
VERMONT ROADS & FIELDS LLC1459498May 7, 2025May 7, 20251VT
MACK TRANSPORT LLC4070694Sep 21, 2023Apr 3, 20242VT
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.
AST278VTVERMONT ROADS & FIELDS TRANSPORT LLCFeb 18, 2026Feb 18, 20261
AST278VTVERMONT ROADS & FIELDS LLCMay 7, 2025May 7, 20251
AST278VTMACK TRANSPORT LLCSep 21, 2023Apr 3, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026