Equipment unit · VIN-decoded · NHTSA vPIC

2018 West-Mark

1W9TE4024JA488200 · TRAILER
Carriers run under5
30 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 25, 2023
CA
Last seenFeb 25, 2026
CA
Inspected under 5 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
1W9TE4024JA488200
Make
West-Mark
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
1988 or 2018

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

North American serial sequence
488200

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
2018

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 · Aug 25, 2023 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026CAI · Full0SS SKIKOS INC 2503797HV34486/OR
Feb 19, 2026MTIII · Driver-only1SMOOTH BORE TRUCKING LLC 3945378HV34486/OR
Oct 31, 2025CAI · Full0SMOOTH BORE TRUCKING LLC 3945378HV34486/OR
Oct 16, 2025CAII · Walk-around2KHETLA EXPRESS INC 4154993HV34486/OR
Oct 2, 2025CAIII · Driver-only1JULIO C HERNANDEZ 3735287HV34486/OR
Sep 18, 2025CAII · Walk-around0SS SKIKOS INC 2503797HV34486/OR
Apr 10, 2025CAI · Full0SS SKIKOS INC 2503797HV34486/OR
Oct 14, 2024CAII · Walk-around0BOBBY STEWART TRANSPORTATION INC 3358421HV34486/OR
Aug 25, 2023CAI · Full0BOBBY STEWART TRANSPORTATION INC 3358421HV34486/OR
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SS SKIKOS INC2503797Apr 10, 2025Feb 25, 20263CA
SMOOTH BORE TRUCKING LLC3945378Oct 31, 2025Feb 19, 20262CA
KHETLA EXPRESS INC4154993Oct 16, 2025Oct 16, 20251CA
JULIO C HERNANDEZ3735287Oct 2, 2025Oct 2, 20251CA
BOBBY STEWART TRANSPORTATION INC3358421Aug 25, 2023Oct 14, 20242CA
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.
HV34486ORSS SKIKOS INCApr 10, 2025Feb 25, 20263
HV34486ORSMOOTH BORE TRUCKING LLCOct 31, 2025Feb 19, 20262
HV34486ORKHETLA EXPRESS INCOct 16, 2025Oct 16, 20251
HV34486ORJULIO C HERNANDEZOct 2, 2025Oct 2, 20251
HV34486ORBOBBY STEWART TRANSPORTATION INCAug 25, 2023Oct 14, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026