Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY3PM039578 · Truck-Tractor · TRUCK
Carriers run under1
26 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 23, 2023
IA
Last seenFeb 27, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN4GY3PM039578
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 5, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
039578

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.

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
Anthem

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 · Dec 23, 2023 – Feb 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 27, 2026SDIII · Driver-only0FEEDLOT SERVICE CO 222767DZ0441/IA
Jan 20, 2025SDIII · Driver-only0FEEDLOT SERVICE CO 222767DZ0441/IA
Aug 20, 2024NEIII · Driver-only2FEEDLOT SERVICE CO 222767DZ0441/IA
Dec 23, 2023IAIII · Driver-only1FEEDLOT SERVICE CO 222767DZ0441/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FEEDLOT SERVICE CO222767Dec 23, 2023Feb 27, 20264IA
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.
DZ0441IAFEEDLOT SERVICE CODec 23, 2023Feb 27, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026