Equipment unit · VIN-decoded · NHTSA vPIC

2010 West-Mark Certified Stainless Services, Inc dba West-Mark

1W9TE4026AA488019 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections3
all-time
OOS inspections1
of 3
First seenMay 22, 2024
CA
Last seenFeb 21, 2025
CA
Inspected under 2 different carriers in 9 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
1W9TE4026AA488019
Make
West-Mark
Model
Certified Stainless Services, Inc dba West-Mark
Model year
2010
Body class
Trailer
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
1980 or 2010

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

North American serial sequence
488019

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 · May 22, 2024 – Feb 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2025CAII · Walk-around1—GARY GUGGIA 16503164SL2944/CA
Feb 6, 2025CAII · Walk-around11OOSGARY GUGGIA 16503164SL2944/CA
May 22, 2024CAIII · Driver-only1—ALL ABOUT AG INC 28909404SL2944/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GARY GUGGIA1650316Feb 6, 2025Feb 21, 20252CA
ALL ABOUT AG INC2890940May 22, 2024May 22, 20241CA
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.
4SL2944CA—GARY GUGGIAFeb 6, 2025 → Feb 21, 20252
4SL2944CA—ALL ABOUT AG INCMay 22, 2024 → May 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026