Equipment unit · VIN-decoded · NHTSA vPIC

5HTSN4226F7T94339

Not yet decoded
Carriers run under3
30 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 11, 2023
TX
Last seenJan 14, 2026
LA
Inspected under 3 different carriers in 30 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
T94339

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 · Jul 11, 2023 – Jan 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 14, 2026LAIII · Driver-only1CAP ROCK CEMENT LLC 4455893082B221/TX
Apr 24, 2025TXIII · Driver-only1MEGA TRUCKING LLC 2582238082B221/TX
Jul 11, 2023TXII · Walk-around6SISU ENERGY LLC 3328258082B221/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAP ROCK CEMENT LLC4455893Jan 14, 2026Jan 14, 20261TX
MEGA TRUCKING LLC2582238Apr 24, 2025Apr 24, 20251FL
SISU ENERGY LLC3328258Jul 11, 2023Jul 11, 20231TX
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.
082B221TXCAP ROCK CEMENT LLCJan 14, 2026Jan 14, 20261
082B221TXMEGA TRUCKING LLCApr 24, 2025Apr 24, 20251
082B221TXSISU ENERGY LLCJul 11, 2023Jul 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC