Equipment unit · VIN-decoded · NHTSA vPIC

2025 Mack Granite

1M2GR3GC8SM047404 · Truck · INCOMPLETE VEHICLE
Carriers run under2
7 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJan 14, 2026
TX
Last seenAug 12, 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

VIN
1M2GR3GC8SM047404
Make
Mack
Model
Granite
Model year
2025
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 27, 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
GR3GC

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
047404

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 · 831 decoded VINs at 100.0% prefix purity.

Model
Granite

Prefix basis · 831 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
Granite

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

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 14, 2026 – Aug 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 12, 2026TXII · Walk-around0MATTECH LLC 2179212R731816/TX
Aug 12, 2026TXII · Walk-around0MATTECH LLC 2179212R731816/TX
Jul 21, 2026LAI · Full3OOSMATTECH LLC 2179212R731816/TX
Jun 24, 2026TXII · Walk-around1OOSHOOK SET TRANSPORTATION LLC 3362756R731816/TX
Jan 14, 2026TXII · Walk-around0HOOK SET TRANSPORTATION LLC 3362756R731816/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MATTECH LLC2179212Jul 21, 2026Aug 12, 20263TX
HOOK SET TRANSPORTATION LLC3362756Jan 14, 2026Jun 24, 20262TX
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.
R731816TX1MATTECH LLCJul 21, 2026Aug 12, 20263
R731816TX1HOOK SET TRANSPORTATION LLCJan 14, 2026Jun 24, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 27, 2026