Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Anthem

1M1AN4GY3MM021111 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections4
all-time
OOS inspections0
of 4
First seen11/22/2024
CA
Last seen04/06/2026
CA
Inspected under 2 different carriers in 17 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
1M1AN4GY3MM021111
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
07/05/2026
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 · 11/22/2024 – 04/06/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/06/2026CAIII · Driver-only1—NUMARK TRANSPORTATION INC 1075162ZP32963/CA
07/11/2025CAII · Walk-around0—NUMARK TRANSPORTATION INC 1075162ZP32963/CA
07/01/2025CAI · Full0—NUMARK TRANSPORTATION INC 1075162ZP32963/CA
11/22/2024CAI · Full3—FOUR WARNS CORPORATION 202639ZP32963/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NUMARK TRANSPORTATION INC107516207/01/202504/06/20263CA
FOUR WARNS CORPORATION20263911/22/202411/22/20241CA
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.
ZP32963CA—NUMARK TRANSPORTATION INC07/01/2025 → 04/06/20263
ZP32963CA—FOUR WARNS CORPORATION11/22/2024 → 11/22/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/05/2026