Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Anthem

1M1AN4GY5MM020378 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections12
all-time
OOS inspections1
of 12
First seenAug 22, 2023
NC
Last seenMay 15, 2026
CA
Inspected under 2 different carriers in 33 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
1M1AN4GY5MM020378
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 16, 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 · Aug 22, 2023 – May 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 15, 2026CAI · Full0—JS TRANSIT INC 3957388ZP53476/CA
Feb 24, 2026CAII · Walk-around1—JS TRANSIT INC 3957388ZP53476/CA
Feb 5, 2026CAIII · Driver-only1—JS TRANSIT INC 3957388ZP53476/CA
Oct 21, 2025CAIII · Driver-only1—JS TRANSIT INC 3957388ZP53476/WA
Oct 17, 2025CAI · Full0—JS TRANSIT INC 3957388ZP53476/CA
Jul 22, 2025CAI · Full0—JS TRANSIT INC 3957388ZP53476/CA
Jul 16, 2025ORIII · Driver-only0—JS TRANSIT INC 3957388ZP53476/CA
Jun 15, 2025CAII · Walk-around1—JS TRANSIT INC 3957388ZP53476/CA
Mar 30, 2025ORI · Full6OOSJS TRANSIT INC 3957388ZP53476/CA
May 18, 2024NCIII · Driver-only0—CHIEF EXPRESS LLC 759924NL5672/NC
Nov 12, 2023NCI · Full0—CHIEF EXPRESS LLC 759924NL5672/NC
Aug 22, 2023NCI · Full0—CHIEF EXPRESS LLC 759924NL5672/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JS TRANSIT INC3957388Mar 30, 2025May 15, 20269CA
CHIEF EXPRESS LLC759924Aug 22, 2023May 18, 20243NC
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.
ZP53476CA—JS TRANSIT INCMar 30, 2025 → May 15, 20268
ZP53476WA—JS TRANSIT INCOct 21, 2025 → Oct 21, 20251
NL5672NC—CHIEF EXPRESS LLCAug 22, 2023 → May 18, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026