Equipment unit · VIN-decoded · NHTSA vPIC

1Z9241522B1258431

Not yet decoded
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections1
of 2
First seenOct 30, 2023
CA
Last seenOct 27, 2025
AZ
Inspected under 2 different carriers in 24 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
1Z9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
24152

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1981 or 2011

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

North American serial sequence
258431

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
OVERLAND TANK

Prefix basis · 18 decoded VINs at 100.0% prefix purity.

Model
Overland Tank

Prefix basis · 18 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 · Oct 30, 2023 – Oct 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 27, 2025AZII · Walk-around13OOSCENDEJAS & SONS TRUCKING LLC 42607434VW7736/CA
Oct 30, 2023CAIII · Driver-only4MRE CONSTRUCTION GROUP INC 35740123975B21/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENDEJAS & SONS TRUCKING LLC4260743Oct 27, 2025Oct 27, 20251CA
MRE CONSTRUCTION GROUP INC3574012Oct 30, 2023Oct 30, 20231CA
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.
4VW7736CACENDEJAS & SONS TRUCKING LLCOct 27, 2025Oct 27, 20251
3975B21TXMRE CONSTRUCTION GROUP INCOct 30, 2023Oct 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC