Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Anthem

1M1AN2AY5MM001777 · Truck-Tractor · TRUCK
Carriers run under2
10 mo
Inspections3
all-time
OOS inspections3
of 3
First seenJul 2, 2025
CA
Last seenMay 27, 2026
CA
Inspected under 2 different carriers in 10 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
1M1AN2AY5MM001777
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
Jul 24, 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 · Jul 2, 2025 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026CAII · Walk-around3OOSROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 658075ZP02009/CA
Mar 12, 2026CAII · Walk-around1OOSROBERTSON'S READY MIX LTD 256299ZP02009/CA
Jul 2, 2025CAI · Full13OOSROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 658075ZP02009/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP658075Jul 2, 2025May 27, 20262CA
ROBERTSON'S READY MIX LTD256299Mar 12, 2026Mar 12, 20261CA
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.
ZP02009CA—ROBERTSON'S TRANSPORT LTD A CALIFORNIA LPJul 2, 2025 → May 27, 20262
ZP02009CA—ROBERTSON'S READY MIX LTDMar 12, 2026 → Mar 12, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026
2021 Mack Anthem — VIN 1M1AN2AY5MM001777