Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY2PM032721 · Truck-Tractor · TRUCK
Carriers run under2
8 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 23, 2023
SD
Last seenApr 4, 2024
MN
Inspected under 2 different carriers in 8 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
1M1AN4GY2PM032721
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
2 · valid

Deterministic · position 9; calculated value 2.

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
032721

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 23, 2023 – Apr 4, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 4, 2024MNIII · Driver-only1—TRANSOURCE FREIGHTWAYS LTD 171599571829P/BC
Mar 20, 2024SDIII · Driver-only1—TRANSOURCE FREIGHTWAYS LTD 171599571829P/BC
Jan 18, 2024SDII · Walk-around2—A-1 ENTERPRISES INC 171595571829P/BC
Jan 11, 2024SDIII · Driver-only0—TRANSOURCE FREIGHTWAYS LTD 171599571829P/BC
Aug 23, 2023SDIII · Driver-only0—TRANSOURCE FREIGHTWAYS LTD 171599571892P/BC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSOURCE FREIGHTWAYS LTD1715995Aug 23, 2023Apr 4, 20244BC
A-1 ENTERPRISES INC1715955Jan 18, 2024Jan 18, 20241AK
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.
71829PBC—TRANSOURCE FREIGHTWAYS LTDJan 11, 2024 → Apr 4, 20243
71829PBC—A-1 ENTERPRISES INCJan 18, 2024 → Jan 18, 20241
71892PBC—TRANSOURCE FREIGHTWAYS LTDAug 23, 2023 → Aug 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026