Equipment unit · VIN-decoded · NHTSA vPIC

2024 Mack Granite

1M1GR4GY3RM041106 · Truck-Tractor · TRUCK
Carriers run under1
26 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJan 22, 2024
AR
Last seenMar 30, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1GR4GY3RM041106
Make
Mack
Model
Granite
Model year
2024
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
GR4GY

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1994 or 2024

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

North American serial sequence
041106

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 · 248 decoded VINs at 100.0% prefix purity.

Model
Granite

Prefix basis · 248 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
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
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 22, 2024 – Mar 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 30, 2026TXII · Walk-around0WT BYLER COMPANY LP 556379R799774/TX
Mar 19, 2026TXI · Full5OOSWT BYLER COMPANY LP 556379R799774/TX
Jan 22, 2024ARIII · Driver-only1WT BYLER COMPANY LP 556379R668561/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WT BYLER COMPANY LP556379Jan 22, 2024Mar 30, 20263TX
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.
R799774TXWT BYLER COMPANY LPMar 19, 2026Mar 30, 20262
R668561TXWT BYLER COMPANY LPJan 22, 2024Jan 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026