Equipment unit · VIN-decoded · NHTSA vPIC

4Z41116221P003331

Not yet decoded
Carriers run under2
7 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 2, 2025
TX
Last seenJul 9, 2026
TX
Inspected under 2 different carriers in 7 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
4Z4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
11162

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2001 or 2031

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

North American serial sequence
003331

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 · Dec 2, 2025 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026TXII · Walk-around12OOSSHEPHERD ENERGY SERVICES LLC 3827862276B293/TX
Dec 2, 2025TXII · Walk-around6RANCH FOR THE NATIONS LLC 4338697276B293/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHEPHERD ENERGY SERVICES LLC3827862Jul 9, 2026Jul 9, 20261TX
RANCH FOR THE NATIONS LLC4338697Dec 2, 2025Dec 2, 20251AR
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.
276B293TX2SHEPHERD ENERGY SERVICES LLCJul 9, 2026Jul 9, 20261
276B293TXRANCH FOR THE NATIONS LLCDec 2, 2025Dec 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC