Equipment unit · VIN-decoded · NHTSA vPIC

4S9P2D311LS331351

Not yet decoded
Carriers run under1
0 mo
Inspections1
all-time
OOS inspections0
of 1
First seenJan 16, 2025
WA
Last seenJan 16, 2025
WA
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
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
P2D31

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1990 or 2020

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

North American serial sequence
331351

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
PIONEER TRUCKWELD

Prefix basis · 5 decoded VINs at 100.0% prefix purity.

Model
Pioneer Truckweld

Prefix basis · 5 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 · Jan 16, 2025 – Jan 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 16, 2025WAII · Walk-around1BRUMFIELD CONSTRUCTION INC 63307915933AH/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRUMFIELD CONSTRUCTION INC633079Jan 16, 2025Jan 16, 20251WA
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.
15933AHWABRUMFIELD CONSTRUCTION INCJan 16, 2025Jan 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC