Equipment unit · VIN-decoded · NHTSA vPIC

13N145203R1571231

Not yet decoded
Carriers run under2
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 15, 2024
CA
Last seenMay 15, 2026
CA
Inspected under 2 different carriers in 21 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
13N

Deterministic · VIN positions 1–3.

Vehicle descriptor section
14520

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1994 or 2024

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

North American serial sequence
571231

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
FONTAINE TRAILER CO.

Prefix basis · 163 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer Co.

Prefix basis · 163 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 · Aug 15, 2024 – May 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 15, 2026CAII · Walk-around1PACIFIC GYPSUM SUPPLY INC 26344734VZ7994/CA
Aug 15, 2024CAII · Walk-around0PGS-WESTSIDE 1 INC 36700014VZ7994/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PACIFIC GYPSUM SUPPLY INC2634473May 15, 2026May 15, 20261CA
PGS-WESTSIDE 1 INC3670001Aug 15, 2024Aug 15, 20241CA
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.
4VZ7994CAPACIFIC GYPSUM SUPPLY INCMay 15, 2026May 15, 20261
4VZ7994CAPGS-WESTSIDE 1 INCAug 15, 2024Aug 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC