Equipment unit · VIN-decoded · NHTSA vPIC

2023 West-Mark

1W9TE4024PA488139 · TRAILER
Carriers run under4
30 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 20, 2023
CA
Last seenMar 18, 2026
CA
Inspected under 4 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

VIN
1W9TE4024PA488139
Make
West-Mark
Model
Not decoded
Model year
2023
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 12, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
4 · valid

Deterministic · position 9; calculated value 4.

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
488139

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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
WEST-MARK

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 20, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026CAI · Full2KHETLA EXPRESS INC 4154993HV74932/OR
Feb 19, 2026NVIII · Driver-only0SS SKIKOS INC 2503797HV74932/OR
Aug 8, 2024CAI · Full3ALVARADO JOSE TRANSPORT LLC 3522553HV74932/OR
Mar 28, 2024CAI · Full0D URTIZ TRANSPORT LLC 3202095HV74932/OR
Sep 20, 2023CAI · Full0SS SKIKOS INC 2503797HV74932/OR
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KHETLA EXPRESS INC4154993Mar 18, 2026Mar 18, 20261CA
SS SKIKOS INC2503797Sep 20, 2023Feb 19, 20262CA
ALVARADO JOSE TRANSPORT LLC3522553Aug 8, 2024Aug 8, 20241CA
D URTIZ TRANSPORT LLC3202095Mar 28, 2024Mar 28, 20241WA
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.
HV74932ORKHETLA EXPRESS INCMar 18, 2026Mar 18, 20261
HV74932ORSS SKIKOS INCSep 20, 2023Feb 19, 20262
HV74932ORALVARADO JOSE TRANSPORT LLCAug 8, 2024Aug 8, 20241
HV74932ORD URTIZ TRANSPORT LLCMar 28, 2024Mar 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 12, 2026