Equipment unit · VIN-decoded · NHTSA vPIC

2013 Mack GU (Granite)

1M1AX04Y9DM015918 · Truck-Tractor · TRUCK
Carriers run under1
10 mo
Inspections3
all-time
OOS inspections3
of 3
First seenJan 26, 2024
TX
Last seenNov 19, 2024
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AX04Y9DM015918
Make
Mack
Model
GU (Granite)
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AX04Y

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1983 or 2013

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

North American serial sequence
015918

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 · 39 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 39 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
2013

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
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 · Jan 26, 2024 – Nov 19, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 19, 2024TXII · Walk-around1OOSAXIS ENERGY SERVICES LLC 2902212R539020/TX
Nov 5, 2024TXII · Walk-around1OOSAXIS ENERGY SERVICES LLC 2902212R539020/TX
Jan 26, 2024TXI · Full8OOSAXIS ENERGY SERVICES LLC 2902212R539020/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AXIS ENERGY SERVICES LLC2902212Jan 26, 2024Nov 19, 20243TX
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.
R539020TXAXIS ENERGY SERVICES LLCJan 26, 2024Nov 19, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026