Equipment unit · VIN-decoded · NHTSA vPIC

4KNBF2322KL162494

Not yet decoded
Carriers run under2
38 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 28, 2023
CA
Last seenAug 31, 2026
CA
Inspected under 2 different carriers in 38 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
4KN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BF232

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1989 or 2019

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

North American serial sequence
162494

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 · Jun 28, 2023 – Aug 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 31, 2026CAI · Full0FIBERTEL LLC 16435504SD8410/CA
Jun 28, 2023CAI · Full2OOSMEARS GROUP INC 3294314SD8410/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIBERTEL LLC1643550Aug 31, 2026Aug 31, 20261UT
MEARS GROUP INC329431Jun 28, 2023Jun 28, 20231MI
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.
4SD8410CA2FIBERTEL LLCAug 31, 2026Aug 31, 20261
4SD8410CAMEARS GROUP INCJun 28, 2023Jun 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC