Equipment unit · VIN-decoded · NHTSA vPIC

2005 Fontaine Specialized Inc

4LF34820353526051 · Trailer · TRAILER
Carriers run under1
18 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 29, 2024
OH
Last seenJan 21, 2026
AR
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4LF34820353526051
Make
Fontaine Specialized Inc
Model
Fontaine Specialized Inc
Model year
2005
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
34820

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
526051

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 SPECIALIZED INC

Prefix basis · 14 decoded VINs at 100.0% prefix purity.

Model
Fontaine Specialized Inc

Prefix basis · 14 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 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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 29, 2024 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026ARIII · Driver-only5SPOERL TRUCKING INC 543340659138/WI
Nov 20, 2025TNI · Full5OOSSPOERL TRUCKING INC 543340659138/WI
Jul 29, 2024OHII · Walk-around4SPOERL TRUCKING INC 543340NA/WI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPOERL TRUCKING INC543340Jul 29, 2024Jan 21, 20263WI
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.
659138WISPOERL TRUCKING INCNov 20, 2025Jan 21, 20262
NAWISPOERL TRUCKING INCJul 29, 2024Jul 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026