Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Trailer Company

5DN144826PB001164 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 24, 2023
CA
Last seenMar 25, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DN144826PB001164
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
14482

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

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

North American serial sequence
001164

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 · 133 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 133 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
2023

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 · Jun 24, 2023 – Mar 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2025CAI · Full1JOHN LAMBIRTH TRUCKING INC 3333834VN1589/CA
Aug 22, 2023UTI · Full7OOSJOHN LAMBIRTH TRUCKING INC 3333834VD2171/CA
Jun 24, 2023CAI · Full1JOHN LAMBIRTH TRUCKING INC 333383TEMP/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOHN LAMBIRTH TRUCKING INC333383Jun 24, 2023Mar 25, 20253CA
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.
4VN1589CAJOHN LAMBIRTH TRUCKING INCMar 25, 2025Mar 25, 20251
4VD2171CAJOHN LAMBIRTH TRUCKING INCAug 22, 2023Aug 22, 20231
TEMPCAJOHN LAMBIRTH TRUCKING INCJun 24, 2023Jun 24, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026