Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Anthem

1M1AN4GY5LM012179 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections5
all-time
OOS inspections0
of 5
First seenMay 30, 2024
CA
Last seenSep 5, 2025
CA
Inspected under 2 different carriers in 16 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
1M1AN4GY5LM012179
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
5 · valid

Deterministic · position 9; calculated value 5.

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
012179

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 · May 30, 2024 – Sep 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 5, 2025CAIII · Driver-only2SYNAGRO WEST LLC 1434368ZP55611/CA
Jan 13, 2025CAV · Vehicle-only0SYNAGRO WEST LLC 1434368YAKD235/OR
Dec 24, 2024CAIII · Driver-only2SYNAGRO WEST LLC 1434368YAKD235/OR
Jun 12, 2024CAI · Full0DENALI WATER SOLUTIONS LLC 876076YAKD235/OR
May 30, 2024CAII · Walk-around3DENALI WATER SOLUTIONS LLC 876076YAKD235/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SYNAGRO WEST LLC1434368Dec 24, 2024Sep 5, 20253CA
DENALI WATER SOLUTIONS LLC876076May 30, 2024Jun 12, 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.
ZP55611CASYNAGRO WEST LLCSep 5, 2025Sep 5, 20251
YAKD235ORSYNAGRO WEST LLCDec 24, 2024Jan 13, 20252
YAKD235ORDENALI WATER SOLUTIONS LLCMay 30, 2024Jun 12, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026