Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Anthem

1M1AN4GYXLM013294 · Truck-Tractor · TRUCK
Carriers run under3
36 mo
Inspections9
all-time
OOS inspections1
of 9
First seenAug 17, 2023
CA
Last seenAug 4, 2026
TN
Inspected under 3 different carriers in 36 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
1M1AN4GYXLM013294
Make
Mack
Model
Anthem
Model year
2020
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
AN4GY

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1990 or 2020

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

North American serial sequence
013294

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 · 7,931 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 7,931 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
2020

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 · Aug 17, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026TNIII · Driver-only2RIO AUTO TRANSPORT CORP 4321713DF46LK/FL
Nov 11, 2025FLIII · Driver-only0MATRIX NORTH AMERICA LLC 3847631DF96JZ/FL
Jul 23, 2025NCIII · Driver-only0MATRIX NORTH AMERICA LLC 3847631DF19BH/FL
Sep 30, 2024OKI · Full8OOSEFFICIENCY USA LLC 3466888AB34SZ/FL
Jun 22, 2024CTII · Walk-around7EFFICIENCY USA LLC 3466888AB34SZ/FL
Apr 16, 2024NYII · Walk-around4EFFICIENCY USA LLC 3466888AB34SZ/FL
Feb 29, 2024AZII · Walk-around1EFFICIENCY USA LLC 3466888AB34SZ/FL
Feb 28, 2024WYIII · Driver-only3EFFICIENCY USA LLC 3466888AB34SZ/FL
Aug 17, 2023CAII · Walk-around0EFFICIENCY USA LLC 3466888JD29ZI/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIO AUTO TRANSPORT CORP4321713Aug 4, 2026Aug 4, 20261FL
MATRIX NORTH AMERICA LLC3847631Jul 23, 2025Nov 11, 20252FL
EFFICIENCY USA LLC3466888Aug 17, 2023Sep 30, 20246FL
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.
DF46LKFL1RIO AUTO TRANSPORT CORPAug 4, 2026Aug 4, 20261
DF96JZFLMATRIX NORTH AMERICA LLCNov 11, 2025Nov 11, 20251
DF19BHFLMATRIX NORTH AMERICA LLCJul 23, 2025Jul 23, 20251
AB34SZFLEFFICIENCY USA LLCFeb 28, 2024Sep 30, 20245
JD29ZIFLEFFICIENCY USA LLCAug 17, 2023Aug 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026