Equipment unit · VIN-decoded · NHTSA vPIC

1999 Fontaine Specialized Inc

4LF4H4826X3507748 · Trailer · TRAILER
Carriers run under2
2 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 16, 2025
AZ
Last seenDec 12, 2025
CA
Inspected under 2 different carriers in 2 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
4LF4H4826X3507748
Make
Fontaine Specialized Inc
Model
Fontaine Specialized Inc
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
4LF

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4H482

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1999 or 2029

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

North American serial sequence
507748

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
FONTAINE SPECIALIZED INC

Observed directly for this VIN via NHTSA vPIC.

Observed model
Fontaine Specialized Inc

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 16, 2025 – Dec 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 12, 2025CAII · Walk-around0GARRETT M JOHNSON 10224694KW4743/CA
Oct 22, 2025CAIII · Driver-only1MONARCH HEAVY HAUL CORP 29431084KW4743/CA
Oct 16, 2025AZIII · Driver-only0MONARCH HEAVY HAUL CORP 29431084KW4743/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GARRETT M JOHNSON1022469Dec 12, 2025Dec 12, 20251CA
MONARCH HEAVY HAUL CORP2943108Oct 16, 2025Oct 22, 20252CA
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.
4KW4743CAGARRETT M JOHNSONDec 12, 2025Dec 12, 20251
4KW4743CAMONARCH HEAVY HAUL CORPOct 16, 2025Oct 22, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026