Equipment unit · VIN-decoded · NHTSA vPIC

1W9TE4029EA488134

Not yet decoded
Carriers run under2
31 mo
Inspections2
all-time
OOS inspections2
of 2
First seenAug 20, 2023
CA
Last seenMar 27, 2026
OR
Inspected under 2 different carriers in 31 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
1W9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
TE402

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
488134

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
WEST-MARK

Prefix basis · 39 decoded VINs at 100.0% prefix purity.

Model
Certified Stainless Services, Inc dba West-Mark

Prefix basis · 39 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 20, 2023 – Mar 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 27, 2026ORII · Walk-around1OOSAYG TRANSPORT LLC 4020226TR7029/ID
Aug 20, 2023CAI · Full1OOSIDAHO MILK TRANSPORT LLC 303084TR7029/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AYG TRANSPORT LLC4020226Mar 27, 2026Mar 27, 20261ID
IDAHO MILK TRANSPORT LLC303084Aug 20, 2023Aug 20, 20231ID
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.
TR7029IDAYG TRANSPORT LLCMar 27, 2026Mar 27, 20261
TR7029IDIDAHO MILK TRANSPORT LLCAug 20, 2023Aug 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC