Equipment unit · VIN-decoded · NHTSA vPIC

2013 Western Trailer Company

5DN154421DB000938 · Trailer · TRAILER
Carriers run under4
15 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 4, 2023
CA
Last seenDec 8, 2024
CA
Inspected under 4 different carriers in 15 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
5DN154421DB000938
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2013
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
15442

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
000938

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 · 350 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 350 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
2013

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, 2023 – Dec 8, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 8, 2024CAIII · Driver-only0L GONZALEZ TRANSPORT LLC 36107694UM3321/CA
Mar 3, 2024CAII · Walk-around4OOSGLENN G RYDER JR 35361814UM3321/CA
Oct 24, 2023CAII · Walk-around3GIC CORPORATION 11368364UM3321/CA
Sep 4, 2023CAII · Walk-around9OOSC R DISTRIBUTION ENTERPRISES INC 30067344UM3321/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
L GONZALEZ TRANSPORT LLC3610769Dec 8, 2024Dec 8, 20241CA
GLENN G RYDER JR3536181Mar 3, 2024Mar 3, 20241CA
GIC CORPORATION1136836Oct 24, 2023Oct 24, 20231CA
C R DISTRIBUTION ENTERPRISES INC3006734Sep 4, 2023Sep 4, 20231CA
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.
4UM3321CAL GONZALEZ TRANSPORT LLCDec 8, 2024Dec 8, 20241
4UM3321CAGLENN G RYDER JRMar 3, 2024Mar 3, 20241
4UM3321CAGIC CORPORATIONOct 24, 2023Oct 24, 20231
4UM3321CAC R DISTRIBUTION ENTERPRISES INCSep 4, 2023Sep 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026