Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Anthem

1M1AN4GY3MM020671 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections5
all-time
OOS inspections1
of 5
First seen02/23/2024
MD
Last seen05/26/2026
CT
Inspected under 2 different carriers in 27 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
1M1AN4GY3MM020671
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
06/29/2026
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 · 02/23/2024 – 05/26/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/26/2026CTIII · Driver-only2—J LUTZEN AND SON TRUCKING LLC 153980181239A/CT
07/08/2025MDI · Full1—PORTNER TRUCKING LLC 2024076933F93/MD
03/18/2025MDII · Walk-around0—PORTNER TRUCKING LLC 2024076933F93/MD
08/23/2024MDII · Walk-around0—PORTNER TRUCKING LLC 2024076933F93/MD
02/23/2024MDII · Walk-around3OOSPORTNER TRUCKING LLC 2024076933F93/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J LUTZEN AND SON TRUCKING LLC153980105/26/202605/26/20261CT
PORTNER TRUCKING LLC202407602/23/202407/08/20254MD
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.
81239ACT—J LUTZEN AND SON TRUCKING LLC05/26/2026 → 05/26/20261
933F93MD—PORTNER TRUCKING LLC02/23/2024 → 07/08/20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026