Equipment unit · VIN-decoded · NHTSA vPIC

5HTSN412147T09986

Not yet decoded
Carriers run under2
29 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 23, 2023
TX
Last seenJan 6, 2026
TX
Inspected under 2 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

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
SN412

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2004 or 2034

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

North American serial sequence
T09986

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 · 97 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 97 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 · Aug 23, 2023 – Jan 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 6, 2026TXII · Walk-around6SPACE CITY M&C TRANSPORT LLC 3433845205B971/TX
Apr 26, 2024TXII · Walk-around3ALAMO TRANSIT COMPANY 1941898205B971/TX
Aug 23, 2023TXII · Walk-around1ALAMO TRANSIT COMPANY 1941898205B971/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPACE CITY M&C TRANSPORT LLC3433845Jan 6, 2026Jan 6, 20261TX
ALAMO TRANSIT COMPANY1941898Aug 23, 2023Apr 26, 20242TX
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.
205B971TXSPACE CITY M&C TRANSPORT LLCJan 6, 2026Jan 6, 20261
205B971TXALAMO TRANSIT COMPANYAug 23, 2023Apr 26, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC