Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Anthem

1M1AN3GY4LM016539 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections3
of 4
First seenMar 5, 2024
WA
Last seenOct 9, 2026
TX
Inspected under 2 different carriers in 31 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
1M1AN3GY4LM016539
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
Jul 24, 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
AN3GY

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
016539

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 · 1,110 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 1,110 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.

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 · Mar 5, 2024 – Oct 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 9, 2026TXII · Walk-around4OOSASSA TRUCKING LLC 4346748XBK3610/TX
Apr 24, 2026TXII · Walk-around2OOSASSA TRUCKING LLC 4346748XBK3610/TX
Sep 25, 2024INII · Walk-around1—ABF FREIGHT SYSTEM INC 828663DC155/OK
Mar 5, 2024WAII · Walk-around1OOSABF FREIGHT SYSTEM INC 828663DC155/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASSA TRUCKING LLC4346748Apr 24, 2026Oct 9, 20262TX
ABF FREIGHT SYSTEM INC82866Mar 5, 2024Sep 25, 20242AR
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.
XBK3610TX1ASSA TRUCKING LLCApr 24, 2026 → Oct 9, 20262
3DC155OK—ABF FREIGHT SYSTEM INCMar 5, 2024 → Sep 25, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026