Equipment unit · VIN-decoded · NHTSA vPIC

2016 Mack GU (Granite)

1M2AX13C0GM031372 · Truck · INCOMPLETE VEHICLE
Carriers run under2
17 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 11, 2024
TX
Last seenApr 22, 2026
TX
Inspected under 2 different carriers in 17 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
1M2AX13C0GM031372
Make
Mack
Model
GU (Granite)
Model year
2016
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
AX13C

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1986 or 2016

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

North American serial sequence
031372

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 · 1,047 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 1,047 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
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
GU (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 · Nov 11, 2024 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026TXII · Walk-around0MARTIN MARIETTA MATERIALS INC 382882NZR9253/TX
Nov 11, 2024TXII · Walk-around0MUDCO TRUCKING LLC 2502996NZR9253/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTIN MARIETTA MATERIALS INC382882Apr 22, 2026Apr 22, 20261NC
MUDCO TRUCKING LLC2502996Nov 11, 2024Nov 11, 20241TX
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.
NZR9253TXMARTIN MARIETTA MATERIALS INCApr 22, 2026Apr 22, 20261
NZR9253TXMUDCO TRUCKING LLCNov 11, 2024Nov 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 25, 2026