Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY4PM036348 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections7
all-time
OOS inspections2
of 7
First seenSep 24, 2024
MO
Last seenMar 11, 2026
IN
Inspected under 2 different carriers in 18 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
1M1AN4GY4PM036348
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 21, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
036348

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 24, 2024 – Mar 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2026INIII · Driver-only4OOSDK TRUCKING INC 294122651842PF/NY
Oct 24, 2025MOII · Walk-around2OOSDK TRUCKING INC 294122651842PF/NY
Oct 8, 2025AZII · Walk-around6DK TRUCKING INC 294122651842PF/NY
Aug 25, 2025NMIII · Driver-only1DIAMOND TRANSPORTATION LLC 390788780943Z/WI
Aug 12, 2025INIII · Driver-only1DK TRUCKING INC 294122680943Z/WI
Jun 23, 2025AZII · Walk-around6DK TRUCKING INC 294122680943Z/WI
Sep 24, 2024MOIII · Driver-only2DIAMOND TRANSPORTATION LLC 390788778834Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DK TRUCKING INC2941226Jun 23, 2025Mar 11, 20265NY
DIAMOND TRANSPORTATION LLC3907887Sep 24, 2024Aug 25, 20252WI
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.
51842PFNYDK TRUCKING INCOct 8, 2025Mar 11, 20263
80943ZWIDIAMOND TRANSPORTATION LLCAug 25, 2025Aug 25, 20251
80943ZWIDK TRUCKING INCJun 23, 2025Aug 12, 20252
78834ZWIDIAMOND TRANSPORTATION LLCSep 24, 2024Sep 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026