Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY5PM039761 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections7
all-time
OOS inspections3
of 7
First seenSep 3, 2023
CA
Last seenApr 15, 2026
TN
Inspected under 3 different carriers in 31 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
1M1AN4GY5PM039761
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
5 · valid

Deterministic · position 9; calculated value 5.

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
039761

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 3, 2023 – Apr 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2026TNIII · Driver-only1GRDJ TRUCKING INC 35988473895578/IN
Apr 15, 2026TNIII · Driver-only1GRDJ TRUCKING INC 35988473895578/IN
Oct 13, 2024WYII · Walk-around2OOSPRO-HAUL TRANSPORTATION LLC 1314907PWY8257/OH
Aug 28, 2024NVII · Walk-around2OOSPRO-HAUL TRANSPORTATION LLC 1314907PWY8257/OH
Feb 21, 2024COII · Walk-around1OOSBEE ZONE LOGISTICS LLC 3191514PWY8257/OH
Dec 18, 2023MOII · Walk-around1BEE ZONE LOGISTICS LLC 3191514PWY8257/OH
Sep 3, 2023CAI · Full8BEE ZONE LOGISTICS LLC 31915143364121/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRDJ TRUCKING INC3598847Apr 15, 2026Apr 15, 20262IN
PRO-HAUL TRANSPORTATION LLC1314907Aug 28, 2024Oct 13, 20242OH
BEE ZONE LOGISTICS LLC3191514Sep 3, 2023Feb 21, 20243OH
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.
3895578INGRDJ TRUCKING INCApr 15, 2026Apr 15, 20262
PWY8257OHPRO-HAUL TRANSPORTATION LLCAug 28, 2024Oct 13, 20242
PWY8257OHBEE ZONE LOGISTICS LLCDec 18, 2023Feb 21, 20242
3364121INBEE ZONE LOGISTICS LLCSep 3, 2023Sep 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026