Equipment unit · VIN-decoded · NHTSA vPIC

2022 Mack Anthem

1M1AN4GY2NM029573 · Truck-Tractor · TRUCK
Carriers run under2
36 mo
Inspections4
all-time
OOS inspections1
of 4
First seenAug 11, 2023
LA
Last seenAug 4, 2026
TX
Inspected under 2 different carriers in 36 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
1M1AN4GY2NM029573
Make
Mack
Model
Anthem
Model year
2022
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
AN4GY

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1992 or 2022

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
029573

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.

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 11, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026TXII · Walk-around1—BYRD OILFIELD SERVICES LLC 2147585R792777/TX
Apr 7, 2025TXII · Walk-around1—BYRD OILFIELD SERVICES LLC 21475857383D83/TX
Aug 27, 2024TXI · Full2OOSCONLEY BULK SERVICES LLC 2035610R578579/TX
Aug 11, 2023LAI · Full0—CONLEY BULK SERVICES LLC 2035610R578579/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BYRD OILFIELD SERVICES LLC2147585Apr 7, 2025Aug 4, 20262TX
CONLEY BULK SERVICES LLC2035610Aug 11, 2023Aug 27, 20242TX
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.
R792777TX1BYRD OILFIELD SERVICES LLCAug 4, 2026 → Aug 4, 20261
7383D83TX—BYRD OILFIELD SERVICES LLCApr 7, 2025 → Apr 7, 20251
R578579TX—CONLEY BULK SERVICES LLCAug 11, 2023 → Aug 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026