Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Granite

1M2GR2GC6PM036421 · Truck · INCOMPLETE VEHICLE
Carriers run under2
29 mo
Inspections9
all-time
OOS inspections2
of 9
First seenAug 4, 2023
TX
Last seenJan 30, 2026
TX
Inspected under 2 different carriers in 29 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
1M2GR2GC6PM036421
Make
Mack
Model
Granite
Model year
2023
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
GR2GC

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

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

North American serial sequence
036421

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 · 2,045 decoded VINs at 100.0% prefix purity.

Model
Granite

Prefix basis · 2,045 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
2023

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

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 4, 2023 – Jan 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 30, 2026TXII · Walk-around0WASTE TRANSFER PARTNERS LLC 3069094SNL9221/TX
Jan 7, 2026TXII · Walk-around0WASTE TRANSFER PARTNERS LLC 3069094SNL9221/TX
Dec 31, 2025TXII · Walk-around0WASTE TRANSFER PARTNERS LLC 3069094SNL9221/TX
Mar 4, 2025TXII · Walk-around0MALLINI WASTE LLC 4204120SNL9221/TX
Jan 6, 2025TXII · Walk-around0MALLINI WASTE LLC 4204120SNL9221/TX
Nov 5, 2024TXII · Walk-around2OOSMALLINI WASTE LLC 4204120SNL9221/TX
Apr 29, 2024TXII · Walk-around6OOSMALLINI WASTE LLC 4204120SNL9221/TX
Dec 8, 2023TXII · Walk-around2WASTE TRANSFER PARTNERS LLC 3069094SNL9221/TX
Aug 4, 2023TXII · Walk-around1WASTE TRANSFER PARTNERS LLC 3069094SNL9221/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WASTE TRANSFER PARTNERS LLC3069094Aug 4, 2023Jan 30, 20265TX
MALLINI WASTE LLC4204120Apr 29, 2024Mar 4, 20254TX
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.
SNL9221TXWASTE TRANSFER PARTNERS LLCAug 4, 2023Jan 30, 20265
SNL9221TXMALLINI WASTE LLCApr 29, 2024Mar 4, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026