Equipment unit · VIN-decoded · NHTSA vPIC

5DN155340SB000127

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 24, 2025
WA
Last seenFeb 5, 2026
WA
Inspected under 2 different carriers in 12 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
15534

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
000127

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 · 51 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 51 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.

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 · Feb 24, 2025 – Feb 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2026WAIII · Driver-only6OOS3 SISTERS FREIGHT SERVICES INC 3515693HW03052/OR
Feb 24, 2025WAIII · Driver-only1HUBBARD TRANSPORT LLC 4035938HV90024/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
3 SISTERS FREIGHT SERVICES INC3515693Feb 5, 2026Feb 5, 20261ID
HUBBARD TRANSPORT LLC4035938Feb 24, 2025Feb 24, 20251OR
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.
HW03052OR3 SISTERS FREIGHT SERVICES INCFeb 5, 2026Feb 5, 20261
HV90024ORHUBBARD TRANSPORT LLCFeb 24, 2025Feb 24, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC