Equipment unit · VIN-decoded · NHTSA vPIC

4P53F4923T1428141

Not yet decoded
Carriers run under2
5 mo
Inspections3
all-time
OOS inspections2
of 3
First seenFeb 14, 2026
MT
Last seenJul 21, 2026
AL
Inspected under 2 different carriers in 5 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
4P5

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3F492

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
428141

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
PJ

Prefix basis · 868 decoded VINs at 100.0% prefix purity.

Model
PJ

Prefix basis · 868 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 · Feb 14, 2026 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026ALI · Full6OOSTHREE KNIGHTS TRANSPORT LLC 4336113QB50QW/FL
Jul 21, 2026ALI · Full6OOSTHREE KNIGHTS TRANSPORT LLC 4336113QB50QW/FL
Feb 14, 2026MTII · Walk-around1BIG MEN'S TRANSPORT LLC 4216717QB50QW/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THREE KNIGHTS TRANSPORT LLC4336113Jul 21, 2026Jul 21, 20262FL
BIG MEN'S TRANSPORT LLC4216717Feb 14, 2026Feb 14, 20261FL
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.
QB50QWFL2THREE KNIGHTS TRANSPORT LLCJul 21, 2026Jul 21, 20262
QB50QWFLBIG MEN'S TRANSPORT LLCFeb 14, 2026Feb 14, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC