Equipment unit · VIN-decoded · NHTSA vPIC

2026 Fontaine Trailer

1R1F04522TK960374 · Trailer · TRAILER
Carriers run under2
22 mo
Inspections6
all-time
OOS inspections2
of 6
First seenMay 14, 2024
CA
Last seenMar 19, 2026
CA
Inspected under 2 different carriers in 22 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
1R1F04522TK960374
Make
Fontaine Trailer
Model
Fontaine Trailer
Model year
2026
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1996 or 2026

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

North American serial sequence
960374

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
2026

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 · May 14, 2024 – Mar 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2026CAIII · Driver-only0CONTRERAS E TRANSPORT LLC 44149714TW7133/CA
Feb 20, 2026CAI · Full1OOSCONTRERAS E TRANSPORT LLC 44149714TW7133/CA
Jan 14, 2026CAI · Full3OOSCONTRERAS E TRANSPORT LLC 44149714TW7133/CA
Nov 10, 2025CAII · Walk-around3CONTRERAS E TRANSPORT LLC 44149714TW7133/CA
Feb 19, 2025CAII · Walk-around2JORGE A LEOS 12128604TW7133/CA
May 14, 2024CAIII · Driver-only3JORGE A LEOS 12128604TW7133/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONTRERAS E TRANSPORT LLC4414971Nov 10, 2025Mar 19, 20264CA
JORGE A LEOS1212860May 14, 2024Feb 19, 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.
4TW7133CACONTRERAS E TRANSPORT LLCNov 10, 2025Mar 19, 20264
4TW7133CAJORGE A LEOSMay 14, 2024Feb 19, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026