Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GYXPM033390 · Truck-Tractor · TRUCK
Carriers run under3
12 mo
Inspections5
all-time
OOS inspections3
of 5
First seenFeb 27, 2025
AR
Last seenFeb 25, 2026
AR
Inspected under 3 different carriers in 12 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
1M1AN4GYXPM033390
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 29, 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
033390

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 · Feb 27, 2025 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026ARII · Walk-around5OOSMS FREIGHT COMPANY INC 2090356U6842HY/TN
Feb 11, 2026TNIII · Driver-only0MS FREIGHT COMPANY INC 2090356U6842HY/TN
Aug 8, 2025TNII · Walk-around3OOSDREAM CARGO LLC 3910812U6842HY/TN
Jul 30, 2025TNII · Walk-around1OOSDREAM CARGO LLC 3910812U6842HY/TN
Feb 27, 2025ARIII · Driver-only1GRANDROD LOGISTICS INC 3578060U6842HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MS FREIGHT COMPANY INC2090356Feb 11, 2026Feb 25, 20262MS
DREAM CARGO LLC3910812Jul 30, 2025Aug 8, 20252FL
GRANDROD LOGISTICS INC3578060Feb 27, 2025Feb 27, 20251TN
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.
U6842HYTNMS FREIGHT COMPANY INCFeb 11, 2026Feb 25, 20262
U6842HYTNDREAM CARGO LLCJul 30, 2025Aug 8, 20252
U6842HYTNGRANDROD LOGISTICS INCFeb 27, 2025Feb 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026