Equipment unit · VIN-decoded · NHTSA vPIC

2001 Heil Trailer International

5HTAM252X17D65579 · Trailer · TRAILER
Carriers run under2
35 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJun 16, 2023
CA
Last seenMay 6, 2026
CA
Inspected under 2 different carriers in 35 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
5HTAM252X17D65579
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
AM252

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2001 or 2031

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

North American serial sequence
D65579

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 · 45 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 45 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
2001

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 16, 2023 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026CAI · Full0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Nov 26, 2025CAIII · Driver-only0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Nov 19, 2025CAI · Full0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Nov 12, 2025CAI · Full2THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Aug 11, 2025CAV · Vehicle-only0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Apr 25, 2025CAI · Full0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Mar 4, 2025CAII · Walk-around2OOSTHOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
Jul 29, 2024CAI · Full0THOMPSON HARVEY BAY AREA LLC 22713574RX9447/CA
Jun 16, 2023CAI · Full0THOMPSON & HARVEY TRANSPORTATION INC 14771214RX9447/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THOMPSON & HARVEY TRANSPORTATION INC1477121Jun 16, 2023May 6, 20268CA
THOMPSON HARVEY BAY AREA LLC2271357Jul 29, 2024Jul 29, 20241CA
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.
4RX9447CATHOMPSON & HARVEY TRANSPORTATION INCJun 16, 2023May 6, 20268
4RX9447CATHOMPSON HARVEY BAY AREA LLCJul 29, 2024Jul 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026