Equipment unit · VIN-decoded · NHTSA vPIC

2023 West-Mark

1W9TE4026PA488143 · TRAILER
Carriers run under3
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 4, 2025
CA
Last seenApr 13, 2026
CA
Inspected under 3 different carriers in 12 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
1W9TE4026PA488143
Make
West-Mark
Model
Not decoded
Model year
2023
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
488143

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 · Apr 4, 2025 – Apr 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 13, 2026CAII · Walk-around0GALLO TRUCKING LLC 3946634HV74982/OR
Feb 18, 2026CAII · Walk-around0FCB TRUCKING INC 2678707HV74982/OR
Apr 4, 2025CAI · Full0SS SKIKOS INC 2503797HV74982/OR
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GALLO TRUCKING LLC3946634Apr 13, 2026Apr 13, 20261CA
FCB TRUCKING INC2678707Feb 18, 2026Feb 18, 20261CA
SS SKIKOS INC2503797Apr 4, 2025Apr 4, 20251CA
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.
HV74982ORGALLO TRUCKING LLCApr 13, 2026Apr 13, 20261
HV74982ORFCB TRUCKING INCFeb 18, 2026Feb 18, 20261
HV74982ORSS SKIKOS INCApr 4, 2025Apr 4, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026