Equipment unit · VIN-decoded · NHTSA vPIC

4KNBT3531SL160725

Not yet decoded
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 2, 2025
CA
Last seenApr 29, 2026
CA
Inspected under 2 different carriers in 9 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
BT353

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
160725

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 2, 2025 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026CAIII · Driver-only2UNDERGROUND ELECTRIC CONSTRUCTION COMPANY LLC 38065224WU3283/CA
Jul 2, 2025CAI · Full0DISTRICT CONCRETE CONSTRUCTION INC 39060214WU3283/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNDERGROUND ELECTRIC CONSTRUCTION COMPANY LLC3806522Apr 29, 2026Apr 29, 20261CA
DISTRICT CONCRETE CONSTRUCTION INC3906021Jul 2, 2025Jul 2, 20251CA
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.
4WU3283CAUNDERGROUND ELECTRIC CONSTRUCTION COMPANY LLCApr 29, 2026Apr 29, 20261
4WU3283CADISTRICT CONCRETE CONSTRUCTION INCJul 2, 2025Jul 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC