Equipment unit · VIN-decoded · NHTSA vPIC

3H4SS4123P3123491

Not yet decoded
Carriers run under2
3 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 16, 2025
TX
Last seenDec 3, 2025
TX
Inspected under 2 different carriers in 3 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
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS412

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1993 or 2023

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

North American serial sequence
123491

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 · 100 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 100 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 16, 2025 – Dec 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 3, 2025TXII · Walk-around0SCHLUMBERGER TECHNOLOGY CORPORATION 253896027F298/TX
Sep 16, 2025TXIII · Driver-only1CAMERON LOGISTICS LLC 2550913027F298/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCHLUMBERGER TECHNOLOGY CORPORATION253896Dec 3, 2025Dec 3, 20251TX
CAMERON LOGISTICS LLC2550913Sep 16, 2025Sep 16, 20251OK
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.
027F298TX2SCHLUMBERGER TECHNOLOGY CORPORATIONDec 3, 2025Dec 3, 20251
027F298TXCAMERON LOGISTICS LLCSep 16, 2025Sep 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC