Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY2PM032007 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections10
all-time
OOS inspections3
of 10
First seenAug 14, 2023
ND
Last seenJul 3, 2026
KY
Inspected under 2 different carriers in 35 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
1M1AN4GY2PM032007
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
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
032007

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 · Aug 14, 2023 – Jul 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 3, 2026KYI · Full1OOSREDBIRD LOGISTICS & TRANSPORTATION LLC 3779185P1211421/IL
Jul 3, 2026KYI · Full1OOSREDBIRD LOGISTICS & TRANSPORTATION LLC 3779185P1211421/IL
Mar 3, 2026COIII · Driver-only121 EXPRESS INC 2984290P1211421/IL
Jan 29, 2025WIII · Walk-around4OOS21 EXPRESS INC 2984290P1211421/IL
Jan 14, 2025TXI · Full321 EXPRESS INC 2984290P1211421/IL
Sep 22, 2024MTIII · Driver-only021 EXPRESS INC 2984290P1211421/IL
Feb 28, 2024COIII · Driver-only021 EXPRESS INC 2984290P1211421/IL
Dec 19, 2023NMII · Walk-around121 EXPRESS INC 2984290P1211421/IL
Oct 11, 2023UTIII · Driver-only121 EXPRESS INC 2984290P1211421/IL
Aug 14, 2023NDI · Full021 EXPRESS INC 2984290TEMP/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REDBIRD LOGISTICS & TRANSPORTATION LLC3779185Jul 3, 2026Jul 3, 20262TX
21 EXPRESS INC2984290Aug 14, 2023Mar 3, 20268IL
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.
P1211421IL1REDBIRD LOGISTICS & TRANSPORTATION LLCJul 3, 2026Jul 3, 20262
P1211421IL21 EXPRESS INCOct 11, 2023Mar 3, 20267
TEMPIL21 EXPRESS INCAug 14, 2023Aug 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026