Equipment unit · VIN-decoded · NHTSA vPIC

1M1PN4GY3LM004611

Not yet decoded
Carriers run under2
16 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 23, 2025
TX
Last seenAug 3, 2026
TX
Inspected under 2 different carriers in 16 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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
PN4GY

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
004611

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
MACK

Prefix basis · 2,471 decoded VINs at 100.0% prefix purity.

Model
Pinnacle

Prefix basis · 2,471 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 · Apr 23, 2025 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026TXII · Walk-around0CORNERSTONE ON-SITE CONCRETE LLC 4345382R792721/TX
Apr 23, 2025TXII · Walk-around1OOSCORNERSTONE ONTIME CONCRETE LLC 29029911N20214/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CORNERSTONE ON-SITE CONCRETE LLC4345382Aug 3, 2026Aug 3, 20261TX
CORNERSTONE ONTIME CONCRETE LLC2902991Apr 23, 2025Apr 23, 20251TX
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.
R792721TX1CORNERSTONE ON-SITE CONCRETE LLCAug 3, 2026Aug 3, 20261
1N20214TXCORNERSTONE ONTIME CONCRETE LLCApr 23, 2025Apr 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC