Equipment unit · VIN-decoded · NHTSA vPIC

2015 Western Trailer Company

5DN114820FB000471 · Trailer · TRAILER
Carriers run under3
32 mo
Inspections8
all-time
OOS inspections0
of 8
First seenNov 8, 2023
MT
Last seenJul 16, 2026
CA
Inspected under 3 different carriers in 32 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
5DN114820FB000471
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2015
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
11482

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1985 or 2015

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

North American serial sequence
000471

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 · 374 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 374 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
2015

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 · Nov 8, 2023 – Jul 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 16, 2026CAI · Full0M TRACK INC 444828440541AL/WA
Apr 16, 2026CAI · Full0M TRACK INC 444828440541AL/WA
Apr 7, 2026CAII · Walk-around0M TRACK INC 444828440541AL/WA
Jan 9, 2026ORI · Full1M TRACK INC 444828440541AL/WA
Dec 9, 2025CAII · Walk-around0M TRACK INC 444828440541AL/WA
Oct 15, 2025CAI · Full0M TRACK INC 444828440541AL/WA
Jun 17, 2025CAII · Walk-around0AMERICAN STAR LLC 327660840541AL/WA
Nov 8, 2023MTIII · Driver-only0SYSTEM TRANSPORT INC 279359156ZB/WA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M TRACK INC4448284Oct 15, 2025Jul 16, 20266WA
AMERICAN STAR LLC3276608Jun 17, 2025Jun 17, 20251WA
SYSTEM TRANSPORT INC27935Nov 8, 2023Nov 8, 20231WA
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.
40541ALWA2M TRACK INCOct 15, 2025Jul 16, 20266
40541ALWAAMERICAN STAR LLCJun 17, 2025Jun 17, 20251
9156ZBWASYSTEM TRANSPORT INCNov 8, 2023Nov 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026