Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY8PM034490 · Truck-Tractor · TRUCK
Carriers run under1
22 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJan 9, 2024
NM
Last seenNov 28, 2025
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN4GY8PM034490
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
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
034490

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 · Jan 9, 2024 – Nov 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 28, 2025MSIII · Driver-only0STANFORD TRANSPORTATION INC 2779624YP67556/CA
Sep 16, 2025CAII · Walk-around0STANFORD TRANSPORTATION INC 2779624V8331HY/TN
May 16, 2025CAIII · Driver-only0STANFORD TRANSPORTATION INC 2779624YP67556/CA
Nov 23, 2024CAIII · Driver-only0STANFORD TRANSPORTATION INC 2779624YP67556/CA
Jul 29, 2024CAV · Vehicle-only0STANFORD TRANSPORTATION INC 2779624YP67556/CA
Apr 19, 2024CAIII · Driver-only0STANFORD TRANSPORTATION INC 2779624YP67556/CA
Jan 9, 2024NMIII · Driver-only1STANFORD TRANSPORTATION INC 2779624YP67556/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STANFORD TRANSPORTATION INC2779624Jan 9, 2024Nov 28, 20257TN
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.
YP67556CASTANFORD TRANSPORTATION INCJan 9, 2024Nov 28, 20256
V8331HYTNSTANFORD TRANSPORTATION INCSep 16, 2025Sep 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026