Equipment unit · VIN-decoded · NHTSA vPIC

4KNBF2823LL161512

Not yet decoded
Carriers run under1
1 mo
Inspections2
all-time
OOS inspections1
of 2
First seenNov 21, 2025
CA
Last seenDec 9, 2025
CA
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
BF282

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

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

North American serial sequence
161512

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 · 4 decoded VINs at 100.0% prefix purity.

Model
Monroe Towmaster

Prefix basis · 4 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 · Nov 21, 2025 – Dec 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 9, 2025CAII · Walk-around1OOSCENTRAL VALLEY ENGINEERING & ASPHALT INC 18602954TL9795/CA
Nov 21, 2025CAII · Walk-around2CENTRAL VALLEY ENGINEERING & ASPHALT INC 18602954TL9795/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENTRAL VALLEY ENGINEERING & ASPHALT INC1860295Nov 21, 2025Dec 9, 20252CA
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.
4TL9795CACENTRAL VALLEY ENGINEERING & ASPHALT INCNov 21, 2025Dec 9, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC