Equipment unit · VIN-decoded · NHTSA vPIC

2011 Western Trailer Company

5DN14452XBB000435 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections12
all-time
OOS inspections5
of 12
First seenAug 16, 2024
CA
Last seenMay 18, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DN14452XBB000435
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
5DN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
14452

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1981 or 2011

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

North American serial sequence
000435

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
WESTERN TRAILER COMPANY

Prefix basis · 112 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 112 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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN TRAILER COMPANY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Western Trailer Company

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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 16, 2024 – May 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 18, 2026CAIII · Driver-only0SIGALA TRANSPORT LLC 28799474WZ1618/CA
Apr 2, 2026CAI · Full4OOSSIGALA TRANSPORT LLC 28799474WZ1618/CA
Feb 4, 2026CAIII · Driver-only1SIGALA TRANSPORT LLC 28799474LA8548/CA
Jan 29, 2026CAI · Full6SIGALA TRANSPORT LLC 28799474LA8548/CA
Dec 18, 2025CAI · Full31OOSSIGALA TRANSPORT LLC 28799474LA8548/CA
Nov 19, 2025CAII · Walk-around4OOSSIGALA TRANSPORT LLC 28799474LA8548/CA
Aug 13, 2025CAII · Walk-around2OOSSIGALA TRANSPORT LLC 28799474LA8548/CA
Jun 30, 2025CAIII · Driver-only0SIGALA TRANSPORT LLC 28799474LA8548/CA
Jun 4, 2025CAII · Walk-around1SIGALA TRANSPORT LLC 28799474LA8548/CA
Nov 19, 2024CAIII · Driver-only1SIGALA TRANSPORT LLC 28799474LA8548/CA
Oct 24, 2024CAI · Full3OOSSIGALA TRANSPORT LLC 28799474LA8548/CA
Aug 16, 2024CAV · Vehicle-only2SIGALA TRANSPORT LLC 28799474LA8548/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIGALA TRANSPORT LLC2879947Aug 16, 2024May 18, 202612CA
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.
4WZ1618CASIGALA TRANSPORT LLCApr 2, 2026May 18, 20262
4LA8548CASIGALA TRANSPORT LLCAug 16, 2024Feb 4, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026