Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN2AY7PM003101 · Truck-Tractor · TRUCK
Carriers run under1
36 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 11, 2023
CA
Last seenJul 30, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN2AY7PM003101
Make
Mack
Model
Anthem
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN2AY

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
003101

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
MACK

Prefix basis · 184 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 184 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
Anthem

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 11, 2023 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026CAI · Full1OOSROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Mar 15, 2025CAI · Full0ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Jan 2, 2025CAI · Full0ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Oct 18, 2024CAI · Full1OOSROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
May 23, 2024CAI · Full0ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Aug 1, 2023CAI · Full2ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Jul 26, 2023CAII · Walk-around0ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
Jul 11, 2023CAII · Walk-around0ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP 6580759G56536/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP658075Jul 11, 2023Jul 30, 20268CA
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.
9G56536CA1ROBERTSON'S TRANSPORT LTD A CALIFORNIA LPJul 11, 2023Jul 30, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026