Equipment unit · VIN-decoded · NHTSA vPIC

2018 Maxxim

3M9KS4028JL084114 · Trailer · TRAILER
Carriers run under1
1 mo
Inspections3
all-time
OOS inspections1
of 3
First seenFeb 5, 2025
TX
Last seenMar 28, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3M9KS4028JL084114
Make
Maxxim
Model
Maxxim
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
1988 or 2018

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

North American serial sequence
084114

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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
MAXXIM

Observed directly for this VIN via NHTSA vPIC.

Observed model
Maxxim

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 5, 2025 – Mar 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 28, 2025TXII · Walk-around8ROCKIN 4H LLC 371685215P047N/TX
Mar 20, 2025TXIII · Driver-only6OOSROCKIN 4H LLC 371685210U019N/TX
Feb 5, 2025TXII · Walk-around4ROCKIN 4H LLC 371685222U934M/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKIN 4H LLC3716852Feb 5, 2025Mar 28, 20253TX
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.
15P047NTXROCKIN 4H LLCMar 28, 2025Mar 28, 20251
10U019NTXROCKIN 4H LLCMar 20, 2025Mar 20, 20251
22U934MTXROCKIN 4H LLCFeb 5, 2025Feb 5, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026