Equipment unit · NHTSA vPIC identity

2016 Mack CHU (Pinnacle)

1M1AN07Y5GM022239 · Truck-Tractor · TRUCK
Carriers run under3
38 mo
Inspections5
all-time
OOS inspections3
of 5
First seenAug 23, 2023
TX
Last seenOct 13, 2026
TX
Inspected under 3 different carriers in 38 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN07Y5GM022239
Make
Mack
Model
CHU (Pinnacle)
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 5, 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
AN07Y

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1986 or 2016

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

North American serial sequence
022239

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 · 1,371 decoded VINs at 100.0% prefix purity.

Model
CHU (Pinnacle)

Prefix basis · 1,371 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 · Aug 23, 2023 – Oct 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 13, 2026TXII · Walk-around0—ERC GROUP INC 45338621N69580/TX
Feb 20, 2026TXII · Walk-around9OOSESTRADA READY MIX CONCRETE LLC 29916831N69580/TX
Dec 12, 2025TXII · Walk-around1—ESTRADA READY MIX CONCRETE LLC 299168393Z131W/TX
Nov 14, 2025TXII · Walk-around4OOSESTRADA READY MIX CONCRETE LLC 299168334T463N/TX
Aug 23, 2023TXI · Full1OOSBLUE STAR MATERIALS II LLC 39086811N13605/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERC GROUP INC4533862Oct 13, 2026Oct 13, 20261TX
ESTRADA READY MIX CONCRETE LLC2991683Nov 14, 2025Feb 20, 20263TX
BLUE STAR MATERIALS II LLC3908681Aug 23, 2023Aug 23, 20231TX
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.
1N69580TX1ERC GROUP INCOct 13, 2026 → Oct 13, 20261
1N69580TX—ESTRADA READY MIX CONCRETE LLCFeb 20, 2026 → Feb 20, 20261
93Z131WTX—ESTRADA READY MIX CONCRETE LLCDec 12, 2025 → Dec 12, 20251
34T463NTX—ESTRADA READY MIX CONCRETE LLCNov 14, 2025 → Nov 14, 20251
1N13605TX—BLUE STAR MATERIALS II LLCAug 23, 2023 → Aug 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026