Equipment unit · VIN-decoded · NHTSA vPIC

1UNST4428ES128595

Not yet decoded
Carriers run under2
0 mo
Inspections2
all-time
OOS inspections0
of 2
First seenMar 20, 2025
TX
Last seenMar 21, 2025
TX
Inspected under 2 different carriers in 0 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
1UN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ST442

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1984 or 2014

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

North American serial sequence
128595

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 20, 2025 – Mar 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 21, 2025TXII · Walk-around3HEIN CONTRACTING INC 1982460017F085/TX
Mar 20, 2025TXI · Full0EASTEX CRUDE TRUCKING LLC 2465819017F085/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEIN CONTRACTING INC1982460Mar 21, 2025Mar 21, 20251TX
EASTEX CRUDE TRUCKING LLC2465819Mar 20, 2025Mar 20, 20251TX
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.
017F085TXHEIN CONTRACTING INCMar 21, 2025Mar 21, 20251
017F085TXEASTEX CRUDE TRUCKING LLCMar 20, 2025Mar 20, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC