Equipment unit · VIN-decoded · NHTSA vPIC

5HTSN4221C7T90114

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 20, 2024
OH
Last seenDec 6, 2025
IN
Inspected under 2 different carriers in 15 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1982 or 2012

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

North American serial sequence
T90114

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.

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 20, 2024 – Dec 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 6, 2025INII · Walk-around4OOSAMA MATERIAL SUPPLY INC 318771261474F/ME
Sep 20, 2024OHII · Walk-around3MODERN TRANSPORTATION SERVICES LLC 290790261474F/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMA MATERIAL SUPPLY INC318771Dec 6, 2025Dec 6, 20251OH
MODERN TRANSPORTATION SERVICES LLC290790Sep 20, 2024Sep 20, 20241PA
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.
261474FMEAMA MATERIAL SUPPLY INCDec 6, 2025Dec 6, 20251
261474FMEMODERN TRANSPORTATION SERVICES LLCSep 20, 2024Sep 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC