Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4EY9PM001744 · Truck-Tractor · TRUCK
Carriers run under1
26 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 23, 2023
TX
Last seenOct 28, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN4EY9PM001744
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 21, 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
AN4EY

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
001744

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 · 15 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 15 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 · Aug 23, 2023 – Oct 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 28, 2025TXII · Walk-around3HJ GARRISON OIL COMPANY INC 1480454R678598/TX
Sep 26, 2025TXI · Full4HJ GARRISON OIL COMPANY INC 1480454R678598/TX
May 30, 2025TXII · Walk-around3HJ GARRISON OIL COMPANY INC 1480454R678598/TX
Feb 7, 2025TXII · Walk-around4HJ GARRISON OIL COMPANY INC 1480454R678598/TX
Feb 3, 2025NMIII · Driver-only0HJ GARRISON OIL COMPANY INC 1480454R678598/TX
Jun 4, 2024NMII · Walk-around0HJ GARRISON OIL COMPANY INC 1480454R678598/TX
Aug 23, 2023TXI · Full2HJ GARRISON OIL COMPANY INC 1480454R678598/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HJ GARRISON OIL COMPANY INC1480454Aug 23, 2023Oct 28, 20257TX
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.
R678598TXHJ GARRISON OIL COMPANY INCAug 23, 2023Oct 28, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026