Equipment unit · VIN-decoded · NHTSA vPIC

3M9KS4029JL084123

Not yet decoded
Carriers run under2
29 mo
Inspections2
all-time
OOS inspections2
of 2
First seenFeb 21, 2024
NM
Last seenJul 9, 2026
TX
Inspected under 2 different carriers in 29 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
3M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KS402

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
084123

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
MAXXIM

Prefix basis · 86 decoded VINs at 100.0% prefix purity.

Model
Maxxim

Prefix basis · 86 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 21, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026TXII · Walk-around7OOSALFREDO CALDERA 2783538CB7931/OK
Feb 21, 2024NMII · Walk-around7OOSPOOR BOY TRUCKING LLC 2120775CB7931/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALFREDO CALDERA2783538Jul 9, 2026Jul 9, 20261TX
POOR BOY TRUCKING LLC2120775Feb 21, 2024Feb 21, 20241NE
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.
CB7931OK2ALFREDO CALDERAJul 9, 2026Jul 9, 20261
CB7931OKPOOR BOY TRUCKING LLCFeb 21, 2024Feb 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC