Equipment unit · VIN-decoded · NHTSA vPIC

3M9KS4028RL084920

Not yet decoded
Carriers run under2
20 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 5, 2024
NM
Last seenMay 10, 2026
IA
Inspected under 2 different carriers in 20 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1994 or 2024

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

North American serial sequence
084920

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 · Sep 5, 2024 – May 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 10, 2026IAII · Walk-around4CONCRETE MOBILITY LLC 1438663STF7481/MN
Sep 5, 2024NMIII · Driver-only1D & H TRUCKING LLC 11146035288860/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONCRETE MOBILITY LLC1438663May 10, 2026May 10, 20261MN
D & H TRUCKING LLC1114603Sep 5, 2024Sep 5, 20241NM
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.
STF7481MNCONCRETE MOBILITY LLCMay 10, 2026May 10, 20261
5288860MED & H TRUCKING LLCSep 5, 2024Sep 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC