Equipment unit · VIN-decoded · NHTSA vPIC

5HTSN4227D7T91589

Not yet decoded
Carriers run under1
23 mo
Inspections3
all-time
OOS inspections1
of 3
First seenDec 15, 2023
CO
Last seenNov 4, 2025
CO
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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1983 or 2013

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

North American serial sequence
T91589

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 · Dec 15, 2023 – Nov 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 4, 2025COII · Walk-around0CHAMBERLAIN ENTERPRISES LLC 1894430645EJQ/CO
Jul 2, 2025COIII · Driver-only0CHAMBERLAIN ENTERPRISES LLC 1894430645EJQ/CO
Dec 15, 2023COIII · Driver-only1OOSCHAMBERLAIN ENTERPRISES LLC 1894430645EJQ/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHAMBERLAIN ENTERPRISES LLC1894430Dec 15, 2023Nov 4, 20253CO
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.
645EJQCOCHAMBERLAIN ENTERPRISES LLCDec 15, 2023Nov 4, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC