Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Granite

1M2GR2GC7MM024385 · Truck · INCOMPLETE VEHICLE
Carriers run under2
31 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 2, 2024
AR
Last seenAug 27, 2026
TX
Inspected under 2 different carriers in 31 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

VIN
1M2GR2GC7MM024385
Make
Mack
Model
Granite
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 25, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1M2

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GR2GC

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
024385

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 · 2,045 decoded VINs at 100.0% prefix purity.

Model
Granite

Prefix basis · 2,045 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 · Jan 2, 2024 – Aug 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2026TXII · Walk-around3—CASTILLO LEAL TRUCKING INC 4469677WSY4536/TX
Jul 7, 2026TXII · Walk-around1—CASTILLO LEAL TRUCKING INC 4469677WSY4536/TX
Jan 2, 2024ARIII · Driver-only1—LARCO INC 553402J25992/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASTILLO LEAL TRUCKING INC4469677Jul 7, 2026Aug 27, 20262TX
LARCO INC553402Jan 2, 2024Jan 2, 20241AR
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.
WSY4536TX1CASTILLO LEAL TRUCKING INCJul 7, 2026 → Aug 27, 20262
J25992AR—LARCO INCJan 2, 2024 → Jan 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 25, 2026