Equipment unit · VIN-decoded · NHTSA vPIC

1WRSB3184KW893737

Not yet decoded
Carriers run under2
1 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMar 17, 2025
AZ
Last seenApr 3, 2025
CA
Inspected under 2 different carriers in 1 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
1WR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SB318

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
893737

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
WESCO TRAILER SALES

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model
Wesco Trailer Sales

Prefix basis · 3 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 · Mar 17, 2025 – Apr 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 3, 2025CAI · Full0ZION AZTEC LLC 41060851UT3901/CA
Mar 17, 2025AZII · Walk-around2OOSBUD ANTLE INC 29341UT3901/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZION AZTEC LLC4106085Apr 3, 2025Apr 3, 20251CA
BUD ANTLE INC2934Mar 17, 2025Mar 17, 20251CA
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.
1UT3901CAZION AZTEC LLCApr 3, 2025Apr 3, 20251
1UT3901CABUD ANTLE INCMar 17, 2025Mar 17, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC