Equipment unit · VIN-decoded · NHTSA vPIC

5DN165329CB000608

Not yet decoded
Carriers run under2
32 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 17, 2023
WA
Last seenMar 3, 2026
CA
Inspected under 2 different carriers in 32 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
16532

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1982 or 2012

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

North American serial sequence
000608

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 · 12 decoded VINs at 100.0% prefix purity.

Model
Western Trailer Company

Prefix basis · 12 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 · Jul 17, 2023 – Mar 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 3, 2026CAIII · Driver-only4ARB TRUCKING INC 388611565684AH/WA
Mar 11, 2024WAII · Walk-around1OOSPACIFIC NORTHWEST MOTOR FREIGHT LINES INC 832465684AH/WA
Jul 17, 2023WAII · Walk-around0PACIFIC NORTHWEST MOTOR FREIGHT LINES INC 832465684AH/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARB TRUCKING INC3886115Mar 3, 2026Mar 3, 20261CA
PACIFIC NORTHWEST MOTOR FREIGHT LINES INC8324Jul 17, 2023Mar 11, 20242WA
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.
65684AHWAARB TRUCKING INCMar 3, 2026Mar 3, 20261
65684AHWA2PACIFIC NORTHWEST MOTOR FREIGHT LINES INCJul 17, 2023Mar 11, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC