Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN3GY8PM031857 · Truck-Tractor · TRUCK
Carriers run under3
26 mo
Inspections3
all-time
OOS inspections1
of 3
First seenAug 29, 2023
KY
Last seenOct 24, 2025
TN
Inspected under 3 different carriers in 26 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
1M1AN3GY8PM031857
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
Jul 24, 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
AN3GY

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
031857

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 · 1,110 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 1,110 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 · Aug 29, 2023 – Oct 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 24, 2025TNIII · Driver-only0—FRONTIER LOGISTICAL SERVICES LLC 1535212RC15428/MI
Jan 7, 2025MIII · Walk-around0—MOON STAR EXPRESS LLC 646835RC15428/MI
Aug 29, 2023KYII · Walk-around1OOSPLAINFIELD LOGISTICS LLC 2563347RC15428/MI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRONTIER LOGISTICAL SERVICES LLC1535212Oct 24, 2025Oct 24, 20251TN
MOON STAR EXPRESS LLC646835Jan 7, 2025Jan 7, 20251MI
PLAINFIELD LOGISTICS LLC2563347Aug 29, 2023Aug 29, 20231IL
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.
RC15428MI—FRONTIER LOGISTICAL SERVICES LLCOct 24, 2025 → Oct 24, 20251
RC15428MI—MOON STAR EXPRESS LLCJan 7, 2025 → Jan 7, 20251
RC15428MI—PLAINFIELD LOGISTICS LLCAug 29, 2023 → Aug 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026