Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GYXPM034720 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections9
all-time
OOS inspections1
of 9
First seenSep 28, 2023
WA
Last seenFeb 22, 2026
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN4GYXPM034720
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 19, 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
X · valid

Deterministic · position 9; calculated value X.

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
034720

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 · Sep 28, 2023 – Feb 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 22, 2026WAIII · Driver-only0WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Jan 28, 2026IDIII · Driver-only5WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Nov 17, 2025KYI · Full1WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Sep 1, 2025UTIII · Driver-only2WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Aug 20, 2025WAIII · Driver-only2WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Jun 9, 2025WAII · Walk-around3WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Dec 16, 2024NMII · Walk-around4OOSWELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
May 13, 2024IDI · Full2WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
Sep 28, 2023WAII · Walk-around1WELCH FARM AND LOGISTICS LLC 3612213BH4881/ID
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WELCH FARM AND LOGISTICS LLC3612213Sep 28, 2023Feb 22, 20269ID
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.
BH4881IDWELCH FARM AND LOGISTICS LLCSep 28, 2023Feb 22, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026