Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Anthem

1M1AN4GY9LM014792 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections5
all-time
OOS inspections1
of 5
First seenAug 28, 2024
TX
Last seenJun 20, 2026
TX
Inspected under 3 different carriers in 22 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
1M1AN4GY9LM014792
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 29, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
014792

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 28, 2024 – Jun 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 20, 2026TXII · Walk-around3IASKK INC 4267979R814535/TX
Jun 2, 2026TXII · Walk-around2IASKK INC 4267979R814535/TX
Jan 15, 2026TXII · Walk-around3IASKK INC 4267979R814535/TX
Apr 2, 2025TXII · Walk-around2OOSCALA JAZ TRUCKING LLC 3297828R758669/TX
Aug 28, 2024TXII · Walk-around0PRIEFERT MFG CO INC 1531181R451015/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
IASKK INC4267979Jan 15, 2026Jun 20, 20263TX
CALA JAZ TRUCKING LLC3297828Apr 2, 2025Apr 2, 20251TX
PRIEFERT MFG CO INC1531181Aug 28, 2024Aug 28, 20241TX
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.
R814535TX1IASKK INCJan 15, 2026Jun 20, 20263
R758669TXCALA JAZ TRUCKING LLCApr 2, 2025Apr 2, 20251
R451015TXPRIEFERT MFG CO INCAug 28, 2024Aug 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026