Equipment unit · VIN-decoded · NHTSA vPIC

57J4533C8K3575766

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 8, 2025
AZ
Last seenJul 20, 2026
CO
Inspected under 2 different carriers in 15 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
57J

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4533C

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1989 or 2019

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

North American serial sequence
575766

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 CO.

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer Co.

Prefix basis · 4 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.

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 · Apr 8, 2025 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026COIII · Driver-only0VSP TRANSPORT LLC 3370274P509267/IN
Apr 8, 2025AZII · Walk-around0BUCHANAN HAULING & RIGGING INC 649444P509267/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VSP TRANSPORT LLC3370274Jul 20, 2026Jul 20, 20261IL
BUCHANAN HAULING & RIGGING INC649444Apr 8, 2025Apr 8, 20251IN
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.
P509267IN2VSP TRANSPORT LLCJul 20, 2026Jul 20, 20261
P509267INBUCHANAN HAULING & RIGGING INCApr 8, 2025Apr 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC