Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Anthem

1M1AN4GY9MM023221 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 21, 2023
MS
Last seenJul 7, 2026
CO
Inspected under 2 different carriers in 37 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
1M1AN4GY9MM023221
Make
Mack
Model
Anthem
Model year
2021
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 21, 2023 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026COII · Walk-around0—GIA LOGISTICS INC 3846004PXB7442/OH
Aug 8, 2025MSII · Walk-around1—GIA LOGISTICS INC 3846004PXB7442/OH
Nov 6, 2024ARIII · Driver-only0—GIA LOGISTICS INC 3846004PXB4433/OH
Aug 17, 2023NMII · Walk-around0—J B HUNT TRANSPORT INC 808063204360/IN
Aug 17, 2023NMII · Walk-around0—J B HUNT TRANSPORT INC 808063204360/IN
Jun 21, 2023MSII · Walk-around0—J B HUNT TRANSPORT INC 808063204360/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GIA LOGISTICS INC3846004Nov 6, 2024Jul 7, 20263OH
J B HUNT TRANSPORT INC80806Jun 21, 2023Aug 17, 20233AR
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.
PXB7442OH1GIA LOGISTICS INCAug 8, 2025 → Jul 7, 20262
PXB4433OH—GIA LOGISTICS INCNov 6, 2024 → Nov 6, 20241
3204360IN1J B HUNT TRANSPORT INCJun 21, 2023 → Aug 17, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026