Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GYXPM033082 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections9
all-time
OOS inspections5
of 9
First seenAug 11, 2023
NM
Last seenFeb 18, 2026
CA
Inspected under 2 different carriers in 30 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
1M1AN4GYXPM033082
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
033082

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 · Aug 11, 2023 – Feb 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2026CAII · Walk-around2OOSSPEED EXPRESS WAY INC 2006567ZP15347/CA
Sep 11, 2025CAI · Full0G SPEED TRANS INC 3988654ZP15347/CA
Sep 3, 2025WAIII · Driver-only0G SPEED TRANS INC 3988654ZP15347/CA
May 28, 2025NMIII · Driver-only1G SPEED TRANS INC 3988654ZP15347/CA
Feb 24, 2025ORIII · Driver-only1OOSG SPEED TRANS INC 3988654ZP15347/CA
Sep 8, 2024NMII · Walk-around0G SPEED TRANS INC 3988654ZP15347/CA
May 6, 2024ORI · Full1OOSG SPEED TRANS INC 3988654ZP15347/CA
Apr 23, 2024IDII · Walk-around3OOSG SPEED TRANS INC 3988654ZP15347/CA
Aug 11, 2023NMII · Walk-around1OOSSPEED EXPRESS WAY INC 2006567YP85694/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEED EXPRESS WAY INC2006567Aug 11, 2023Feb 18, 20262CA
G SPEED TRANS INC3988654Apr 23, 2024Sep 11, 20257CA
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.
ZP15347CASPEED EXPRESS WAY INCFeb 18, 2026Feb 18, 20261
ZP15347CAG SPEED TRANS INCApr 23, 2024Sep 11, 20257
YP85694CASPEED EXPRESS WAY INCAug 11, 2023Aug 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026