Equipment unit · VIN-decoded · NHTSA vPIC

2014 Mack GU (Granite)

1M2AX04C5EM020051 · Truck · INCOMPLETE VEHICLE
Carriers run under1
32 mo
Inspections10
all-time
OOS inspections1
of 10
First seenSep 12, 2023
TX
Last seenMay 14, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M2AX04C5EM020051
Make
Mack
Model
GU (Granite)
Model year
2014
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
AX04C

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1984 or 2014

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

North American serial sequence
020051

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 · 1,186 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 1,186 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
2014

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 · Sep 12, 2023 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026TXII · Walk-around1GRANT MACKAY COMPANY INC 5025511N51901/TX
Mar 4, 2026TXI · Full2GRANT MACKAY COMPANY INC 5025511N51901/TX
Dec 30, 2025TXII · Walk-around0GRANT MACKAY COMPANY INC 5025511N51901/TX
Oct 2, 2025TXI · Full3GRANT MACKAY COMPANY INC 5025511N51901/TX
Apr 29, 2025TXI · Full0GRANT MACKAY COMPANY INC 5025511N51901/TX
May 23, 2024TXI · Full0GRANT MACKAY COMPANY INC 5025511M17354/TX
Apr 15, 2024TXIII · Driver-only0GRANT MACKAY COMPANY INC 5025511M17354/TX
Mar 28, 2024TXI · Full6OOSGRANT MACKAY COMPANY INC 5025511M17354/TX
Feb 29, 2024TXII · Walk-around1GRANT MACKAY COMPANY INC 5025511M17354/TX
Sep 12, 2023TXII · Walk-around0GRANT MACKAY COMPANY INC 5025511M17354/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRANT MACKAY COMPANY INC502551Sep 12, 2023May 14, 202610UT
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.
1N51901TXGRANT MACKAY COMPANY INCApr 29, 2025May 14, 20265
1M17354TXGRANT MACKAY COMPANY INCSep 12, 2023May 23, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026