Equipment unit · VIN-decoded · NHTSA vPIC

2012 Mack GU (Granite)

1M2AX07Y4CM011376 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
28 mo
Inspections3
all-time
OOS inspections1
of 3
First seenAug 17, 2023
TX
Last seenDec 11, 2025
TX
Inspected under 2 different carriers in 28 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
1M2AX07Y4CM011376
Make
Mack
Model
GU (Granite)
Model year
2012
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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
AX07Y

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1982 or 2012

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

North American serial sequence
011376

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 · 27 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 27 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
2012

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-Tractor

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 · Aug 17, 2023 – Dec 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 11, 2025TXII · Walk-around4SUNSHINE OILFIELD TRANSPORT LLC 4279424R443676/TX
Jan 8, 2025TXII · Walk-around2OOSSUNSHINE OILFIELD TRANSPORT LLC 4279424R443676/TX
Aug 17, 2023TXII · Walk-around1TOPCAT OILFIELD SERVICES LLC 2011833R443676/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUNSHINE OILFIELD TRANSPORT LLC4279424Jan 8, 2025Dec 11, 20252TX
TOPCAT OILFIELD SERVICES LLC2011833Aug 17, 2023Aug 17, 20231TX
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.
R443676TXSUNSHINE OILFIELD TRANSPORT LLCJan 8, 2025Dec 11, 20252
R443676TXTOPCAT OILFIELD SERVICES LLCAug 17, 2023Aug 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026