Equipment unit · VIN-decoded · NHTSA vPIC

2025 Western Trailer Company

5DN164821SB000457 · Trailer · TRAILER
Carriers run under1
20 mo
Inspections10
all-time
OOS inspections1
of 10
First seenSep 4, 2024
CA
Last seenMay 20, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DN164821SB000457
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2025
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
16482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
000457

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 · 146 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 146 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
2025

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 · Sep 4, 2024 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026CAI · Full0A & M TRANSPORT LLC 344894HV92219/OR
May 12, 2026CAI · Full1OOSA & M TRANSPORT LLC 344894HV92219/OR
Oct 20, 2025CAI · Full0A & M TRANSPORT LLC 344894HV92219/OR
Sep 10, 2025CAII · Walk-around0A & M TRANSPORT LLC 344894HV92219/OR
Aug 24, 2025CAII · Walk-around0A & M TRANSPORT LLC 344894HV92219/OR
Aug 13, 2025CAII · Walk-around0A & M TRANSPORT LLC 344894HV92219/OR
Jun 22, 2025CAII · Walk-around0A & M TRANSPORT LLC 344894HV92219/OR
May 29, 2025CAII · Walk-around0A & M TRANSPORT LLC 344894HV92219/OR
Jan 26, 2025CAI · Full0A & M TRANSPORT LLC 344894HV92219/OR
Sep 4, 2024CAI · Full0A & M TRANSPORT LLC 344894HV92219/OR
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A & M TRANSPORT LLC344894Sep 4, 2024May 20, 202610OR
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.
HV92219ORA & M TRANSPORT LLCSep 4, 2024May 20, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026