Equipment unit · VIN-decoded · NHTSA vPIC

2017 West-Mark

1W9TE4029HA488168 · TRAILER
Carriers run under2
20 mo
Inspections8
all-time
OOS inspections0
of 8
First seenNov 5, 2024
CA
Last seenJul 23, 2026
KS
Inspected under 2 different carriers in 20 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
1W9TE4029HA488168
Make
West-Mark
Model
Not decoded
Model year
2017
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 10, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1987 or 2017

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

North American serial sequence
488168

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
2017

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 · Nov 5, 2024 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026KSIII · Driver-only1WEST TEXAS BULK TRANSPORT LLC 2036655249C149/TX
Feb 12, 2026NMI · Full0WEST TEXAS BULK TRANSPORT LLC 2036655249C149/TX
Jan 27, 2026CAII · Walk-around2WEST TEXAS BULK TRANSPORT LLC 2036655249C149/TX
Sep 5, 2025AZII · Walk-around4WEST TEXAS BULK TRANSPORT LLC 2036655249C149/TX
Jul 10, 2025CAII · Walk-around1ANNA FEHR FRIESEN 3347534249C149/TX
May 9, 2025AZIII · Driver-only1ANNA FEHR FRIESEN 3347534249C149/TX
Jan 17, 2025CAIII · Driver-only1ANNA FEHR FRIESEN 3347534249C149/TX
Nov 5, 2024CAII · Walk-around0ANNA FEHR FRIESEN 3347534249C149/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEST TEXAS BULK TRANSPORT LLC2036655Sep 5, 2025Jul 23, 20264TX
ANNA FEHR FRIESEN3347534Nov 5, 2024Jul 10, 20254TX
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.
249C149TX2WEST TEXAS BULK TRANSPORT LLCSep 5, 2025Jul 23, 20264
249C149TXANNA FEHR FRIESENNov 5, 2024Jul 10, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 10, 2026