Equipment unit · VIN-decoded · NHTSA vPIC

2016 Western Trailer Company

5DN212424GB001039 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections8
all-time
OOS inspections2
of 8
First seenAug 14, 2023
CA
Last seenAug 26, 2026
CA
Inspected under 2 different carriers in 36 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
5DN212424GB001039
Make
Western Trailer Company
Model
Western Trailer Company
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
21242

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1986 or 2016

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

North American serial sequence
001039

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 · 13 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 13 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
2016

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 14, 2023 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026CAII · Walk-around1OOSDAVID SIMMONS 23184014UJ3326/CA
Jul 20, 2026CAI · Full2OOSDAVID SIMMONS 23184014UJ3326/CA
May 12, 2026CAI · Full3DAVID SIMMONS 23184014UJ3326/CA
Jan 4, 2024CAII · Walk-around1DAVID SIMMONS 23184014UJ3326/CA
Sep 14, 2023CAI · Full0GR SUNDBERG INC 247589605137M2/CA
Sep 5, 2023CAI · Full2GR SUNDBERG INC 247589605137M2/CA
Aug 14, 2023CAI · Full1GR SUNDBERG INC 247589605137M2/CA
Aug 14, 2023CAI · Full3DAVID SIMMONS 23184014UJ3326/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAVID SIMMONS2318401Aug 14, 2023Aug 26, 20265CA
GR SUNDBERG INC2475896Aug 14, 2023Sep 14, 20233CA
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.
4UJ3326CA3DAVID SIMMONSAug 14, 2023Aug 26, 20265
05137M2CAGR SUNDBERG INCAug 14, 2023Sep 14, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026