Equipment unit · VIN-decoded · NHTSA vPIC

2025 Mack Granite

1M1GR3GY1SM047051 · Truck-Tractor · TRUCK
Carriers run under1
16 mo
Inspections6
all-time
OOS inspections1
of 6
First seenDec 20, 2024
TX
Last seenApr 1, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1GR3GY1SM047051
Make
Mack
Model
Granite
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GR3GY

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
047051

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 · 26 decoded VINs at 100.0% prefix purity.

Model
Granite

Prefix basis · 26 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-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 · Dec 20, 2024 – Apr 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2026TXII · Walk-around7ADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
Mar 24, 2026TXII · Walk-around0ADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
Feb 23, 2026TXII · Walk-around3ADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
Feb 6, 2026TXII · Walk-around5ADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
Jun 9, 2025TXII · Walk-around1OOSADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
Dec 20, 2024TXII · Walk-around0ADVANCED TECHNOLOGY CONSTRUCTION LLC 3345884R761517/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADVANCED TECHNOLOGY CONSTRUCTION LLC3345884Dec 20, 2024Apr 1, 20266TX
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.
R761517TXADVANCED TECHNOLOGY CONSTRUCTION LLCDec 20, 2024Apr 1, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026