Equipment unit · VIN-decoded · NHTSA vPIC

2022 Mack Granite

1M1GR3GY5NM026823 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 2, 2023
TX
Last seenJun 10, 2026
TX
Inspected under 2 different carriers in 34 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
1M1GR3GY5NM026823
Make
Mack
Model
Granite
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1992 or 2022

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

North American serial sequence
026823

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
2022

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 · Aug 2, 2023 – Jun 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 10, 2026TXII · Walk-around6W BROWN ENTERPRISES INC 1838730124Y70/TX
Jun 10, 2026TXII · Walk-around1MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
Apr 1, 2025TXI · Full1MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
Jul 31, 2024TXII · Walk-around4MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
Dec 19, 2023TXII · Walk-around0MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
Nov 28, 2023TXI · Full0MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
Aug 2, 2023TXII · Walk-around4MARIO SINACOLA & SONS EXCAVATING INC 1002101124Y70/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARIO SINACOLA & SONS EXCAVATING INC1002101Aug 2, 2023Jun 10, 20266TX
W BROWN ENTERPRISES INC1838730Jun 10, 2026Jun 10, 20261OK
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.
124Y70TXMARIO SINACOLA & SONS EXCAVATING INCAug 2, 2023Jun 10, 20266
124Y70TXW BROWN ENTERPRISES INCJun 10, 2026Jun 10, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026