Equipment unit · VIN-decoded · NHTSA vPIC

2015 Mack GU (Granite)

1M2AX09Y3FM022709 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under1
19 mo
Inspections6
all-time
OOS inspections3
of 6
First seenOct 16, 2024
TX
Last seenMay 17, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M2AX09Y3FM022709
Make
Mack
Model
GU (Granite)
Model year
2015
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
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
1M2

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AX09Y

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
022709

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 · 35 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 35 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
2015

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 · Oct 16, 2024 – May 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 17, 2026TXII · Walk-around1SOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941P04730/TX
Jan 21, 2026TXII · Walk-around7OOSSOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941L51706/TX
Dec 17, 2025TXII · Walk-around0SOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941L51706/TX
Dec 11, 2025TXII · Walk-around6OOSSOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941L51706/TX
Sep 21, 2025TXII · Walk-around0SOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941L51706/TX
Oct 16, 2024TXII · Walk-around3OOSSOUTH TEXAS OIL FIELD SOLUTIONS LLC 23556941L51706/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTH TEXAS OIL FIELD SOLUTIONS LLC2355694Oct 16, 2024May 17, 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.
1P04730TXSOUTH TEXAS OIL FIELD SOLUTIONS LLCMay 17, 2026May 17, 20261
1L51706TXSOUTH TEXAS OIL FIELD SOLUTIONS LLCOct 16, 2024Jan 21, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026