Equipment unit · VIN-decoded · NHTSA vPIC

4J8T04221JT005301

Not yet decoded
Carriers run under2
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 24, 2024
TX
Last seenJan 22, 2026
TX
Inspected under 2 different carriers in 21 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
4J8

Deterministic · VIN positions 1–3.

Vehicle descriptor section
T0422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
005301

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
LBT INC

Prefix basis · 365 decoded VINs at 100.0% prefix purity.

Model
LBT INC TRAILER

Prefix basis · 365 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 24, 2024 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026TXII · Walk-around4405 PERFORMANCE PRODUCTS LLP 3491746DK6278/OK
Apr 24, 2024TXII · Walk-around0CURTIS & SON VACUUM SERVICE INC 619741AU6542/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
405 PERFORMANCE PRODUCTS LLP3491746Jan 22, 2026Jan 22, 20261OK
CURTIS & SON VACUUM SERVICE INC619741Apr 24, 2024Apr 24, 20241TX
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.
DK6278OK405 PERFORMANCE PRODUCTS LLPJan 22, 2026Jan 22, 20261
AU6542OKCURTIS & SON VACUUM SERVICE INCApr 24, 2024Apr 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC