Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY8PM031699 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections10
all-time
OOS inspections3
of 10
First seenOct 3, 2023
CA
Last seenJun 30, 2026
CO
Inspected under 2 different carriers in 32 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
1M1AN4GY8PM031699
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
8 · valid

Deterministic · position 9; calculated value 8.

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
031699

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 · Oct 3, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026COII · Walk-around0RED STALLION TRANSPORT INC 455802898709P/BC
May 21, 2026IDI · Full0RED STALLION TRANSPORT INC 455802898709P/BC
Nov 20, 2024CAI · Full2JN TRANSPORT INC 2433078YP58092/CA
Oct 21, 2024LAII · Walk-around1JN TRANSPORT INC 2433078YP58092/CA
Sep 29, 2024MSIII · Driver-only0JN TRANSPORT INC 2433078YP58092/CA
Jul 11, 2024CAI · Full5OOSJN TRANSPORT INC 2433078YP58092/CA
May 16, 2024AZII · Walk-around1JN TRANSPORT INC 2433078YP58092/CA
May 14, 2024CAI · Full5OOSJN TRANSPORT INC 2433078YP58092/CA
Nov 5, 2023GAIII · Driver-only1JN TRANSPORT INC 2433078YP58092/CA
Oct 3, 2023CAII · Walk-around4OOSJN TRANSPORT INC 2433078YP58092/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RED STALLION TRANSPORT INC4558028May 21, 2026Jun 30, 20262BC
JN TRANSPORT INC2433078Oct 3, 2023Nov 20, 20248CA
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.
98709PBC1RED STALLION TRANSPORT INCMay 21, 2026Jun 30, 20262
YP58092CAJN TRANSPORT INCOct 3, 2023Nov 20, 20248
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026