Equipment unit · VIN-decoded · NHTSA vPIC

2028 Fontaine Trailer

1R1F04525WK981157 · Trailer · TRAILER
Carriers run under3
29 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 7, 2023
CA
Last seenFeb 5, 2026
CA
Inspected under 3 different carriers in 29 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

VIN
1R1F04525WK981157
Make
Fontaine Trailer
Model
Fontaine Trailer
Model year
2028
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1R1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
F0452

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1998 or 2028

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

North American serial sequence
981157

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

Prefix basis · 85 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer

Prefix basis · 85 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2028

Observed directly for this VIN via NHTSA vPIC.

Observed make
FONTAINE TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Fontaine Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 · Sep 7, 2023 – Feb 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2026CAI · Full6EUGENIO CARDENAS CEJA 30080084AZ3338/CA
Jun 10, 2025CAI · Full9JORGE A LEOS 12128604AZ3338/CA
Jan 15, 2024CAI · Full2OOSJ GUADALUPE VARGAS GALLEGOS 33211584AZ3338/CA
Jan 12, 2024CAII · Walk-around0J GUADALUPE VARGAS GALLEGOS 33211584AZ3338/CA
Sep 7, 2023CAIII · Driver-only1J GUADALUPE VARGAS GALLEGOS 33211584AZ3338/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EUGENIO CARDENAS CEJA3008008Feb 5, 2026Feb 5, 20261CA
JORGE A LEOS1212860Jun 10, 2025Jun 10, 20251CA
J GUADALUPE VARGAS GALLEGOS3321158Sep 7, 2023Jan 15, 20243CA
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.
4AZ3338CAEUGENIO CARDENAS CEJAFeb 5, 2026Feb 5, 20261
4AZ3338CAJORGE A LEOSJun 10, 2025Jun 10, 20251
4AZ3338CAJ GUADALUPE VARGAS GALLEGOSSep 7, 2023Jan 15, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026