Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY8PM036658 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 16, 2024
CA
Last seenSep 24, 2026
IL
Inspected under 3 different carriers in 24 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
1M1AN4GY8PM036658
Make
Mack
Model
Anthem
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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
AN4GY

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
036658

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 · 7,931 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 7,931 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.

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 16, 2024 – Sep 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2026ILIII · Driver-only0—WHEEL DO IT LOGISTICS LLC 3733259PXF9963/OH
Feb 3, 2026GAIII · Driver-only2—WLK TRANSPORTATION AND LOGISTICS INC 36859030915F1/MD
Jan 22, 2026AZII · Walk-around3—WLK TRANSPORTATION AND LOGISTICS INC 36859030915F1/MD
Sep 25, 2025ILII · Walk-around0—WLK TRANSPORTATION AND LOGISTICS INC 36859030915F1/MD
Dec 29, 2024AZII · Walk-around3—FEDERAL EXPRESS CORPORATION 868763031912/IN
Sep 16, 2024CAI · Full3OOSFEDERAL EXPRESS CORPORATION 868763031912/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WHEEL DO IT LOGISTICS LLC3733259Sep 24, 2026Sep 24, 20261TX
WLK TRANSPORTATION AND LOGISTICS INC3685903Sep 25, 2025Feb 3, 20263MS
FEDERAL EXPRESS CORPORATION86876Sep 16, 2024Dec 29, 20242TN
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.
PXF9963OH1WHEEL DO IT LOGISTICS LLCSep 24, 2026 → Sep 24, 20261
0915F1MD—WLK TRANSPORTATION AND LOGISTICS INCSep 25, 2025 → Feb 3, 20263
3031912IN—FEDERAL EXPRESS CORPORATIONSep 16, 2024 → Dec 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026