Equipment unit · VIN-decoded · NHTSA vPIC

4KNBF2328JL162109

Not yet decoded
Carriers run under1
16 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMar 2, 2024
MN
Last seenJul 8, 2025
MN
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
4KN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BF232

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
162109

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
MONROE TOWMASTER

Prefix basis · 10 decoded VINs at 100.0% prefix purity.

Model
Monroe Towmaster

Prefix basis · 10 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 · Mar 2, 2024 – Jul 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2025MNI · Full2OOSLANDWEHR CONSTRUCTION INC 479278CSK8776/MN
Mar 2, 2024MNIII · Driver-only1LANDWEHR CONSTRUCTION INC 479278CSA8840/MN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LANDWEHR CONSTRUCTION INC479278Mar 2, 2024Jul 8, 20252MN
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.
CSK8776MNLANDWEHR CONSTRUCTION INCJul 8, 2025Jul 8, 20251
CSA8840MNLANDWEHR CONSTRUCTION INCMar 2, 2024Mar 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC