Equipment unit · VIN-decoded · NHTSA vPIC

2005 Fontaine Trailer

1R1F248225K550988 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections17
all-time
OOS inspections4
of 17
First seenAug 23, 2023
CA
Last seenAug 17, 2026
CA
Inspected under 2 different carriers in 36 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
1R1F248225K550988
Make
Fontaine Trailer
Model
Fontaine Trailer
Model year
2005
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
F2482

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2005 or 2035

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

North American serial sequence
550988

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 · 235 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer

Prefix basis · 235 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
2005

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 · Aug 23, 2023 – Aug 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 17, 2026CAI · Full5ALVARENGA FREIGHT INC 32239964KS3326/CA
Aug 3, 2026CAII · Walk-around1ALVARENGA FREIGHT INC 32239964KS3326/CA
Jul 8, 2026CAI · Full1ALVARENGA FREIGHT INC 32239964KS3326/CA
Jun 28, 2026CAII · Walk-around2OOSALVARENGA FREIGHT INC 32239964KS3326/CA
May 27, 2026CAII · Walk-around2OOSALVARENGA FREIGHT INC 32239964KS3326/CA
Sep 23, 2025CAI · Full0ALVARENGA FREIGHT INC 32239964KS3326/CA
Sep 10, 2025CAI · Full9ALVARENGA FREIGHT INC 32239964KS3326/CA
May 15, 2025CAI · Full2ALVARENGA FREIGHT INC 32239964KS3326/CA
Apr 22, 2025CAII · Walk-around0ALVARENGA FREIGHT INC 32239964KS3326/CA
Feb 23, 2025CAII · Walk-around0ALVARENGA FREIGHT INC 32239964KS3326/CA
Jan 28, 2025CAI · Full1ALVARENGA FREIGHT INC 32239964KS3326/CA
May 23, 2024CAIII · Driver-only2ALVARENGA FREIGHT INC 32239964KS3326/CA
Feb 13, 2024CAI · Full0ALVARENGA TRANSPORT LLC 16467624KS3326/CA
Feb 13, 2024CAI · Full1OOSALVARENGA TRANSPORT LLC 16467624KS3326/CA
Nov 13, 2023CAIII · Driver-only0ALVARENGA TRANSPORT LLC 16467624KS3326/CA
Nov 6, 2023CAII · Walk-around0ALVARENGA TRANSPORT LLC 16467624KS3326/CA
Aug 23, 2023CAI · Full5OOSALVARENGA TRANSPORT LLC 16467624KS3326/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALVARENGA FREIGHT INC3223996May 23, 2024Aug 17, 202612CA
ALVARENGA TRANSPORT LLC1646762Aug 23, 2023Feb 13, 20245CA
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.
4KS3326CA2ALVARENGA FREIGHT INCMay 23, 2024Aug 17, 202612
4KS3326CAALVARENGA TRANSPORT LLCAug 23, 2023Feb 13, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026