Equipment unit · VIN-decoded · NHTSA vPIC

4J8T04432BT004102

Not yet decoded
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 20, 2024
VT
Last seenJul 15, 2026
VT
Inspected under 2 different carriers in 30 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
T0443

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1981 or 2011

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

North American serial sequence
004102

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 · 25 decoded VINs at 100.0% prefix purity.

Model
LBT INC TRAILER

Prefix basis · 25 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 · Jan 20, 2024 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026VTI · Full6OOSBROWN BEAR TRANSPORTATION LLC 29175325023597/ME
Jan 20, 2024VTII · Walk-around1PS MARSTON ASSOCIATES LLC 2749045023597/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROWN BEAR TRANSPORTATION LLC2917532Jul 15, 2026Jul 15, 20261MA
PS MARSTON ASSOCIATES LLC274904Jan 20, 2024Jan 20, 20241NH
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.
5023597ME2BROWN BEAR TRANSPORTATION LLCJul 15, 2026Jul 15, 20261
5023597ME2PS MARSTON ASSOCIATES LLCJan 20, 2024Jan 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC