Equipment unit · VIN-decoded · NHTSA vPIC

2012 Mack CHU (Pinnacle)

1M1AN09Y7CM009600 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections13
all-time
OOS inspections2
of 13
First seenNov 28, 2023
TX
Last seenSep 11, 2026
TX
Inspected under 2 different carriers in 34 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
1M1AN09Y7CM009600
Make
Mack
Model
CHU (Pinnacle)
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
AN09Y

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1982 or 2012

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

North American serial sequence
009600

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 · 358 decoded VINs at 100.0% prefix purity.

Model
CHU (Pinnacle)

Prefix basis · 358 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 · Nov 28, 2023 – Sep 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 11, 2026TXII · Walk-around2—ERC GROUP INC 4533862TYL9105/TX
Aug 12, 2026TXIII · Driver-only0—ERC GROUP INC 4533862TYL9105/TX
Aug 12, 2026TXIII · Driver-only0—ERC GROUP INC 4533862TYL9105/TX
Mar 12, 2026TXIII · Driver-only0—ESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Feb 18, 2026TXI · Full6OOSESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Sep 24, 2025TXII · Walk-around3OOSESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Mar 5, 2025TXII · Walk-around2—ESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Oct 23, 2024TXII · Walk-around2—ESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Jun 6, 2024TXII · Walk-around2—ESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Apr 11, 2024TXII · Walk-around0—ESTRADA CONCRETE COMPANY LLC 2990612TYL9105/TX
Feb 28, 2024TXI · Full2—ESTRADA CONCRETE COMPANY LLC 2990612SWC6374/TX
Dec 19, 2023TXI · Full2—ESTRADA CONCRETE COMPANY LLC 2990612SWC6374/TX
Nov 28, 2023TXII · Walk-around3—ESTRADA CONCRETE COMPANY LLC 2990612SWC6374/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERC GROUP INC4533862Aug 12, 2026Sep 11, 20263TX
ESTRADA CONCRETE COMPANY LLC2990612Nov 28, 2023Mar 12, 202610TX
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.
TYL9105TX1ERC GROUP INCAug 12, 2026 → Sep 11, 20263
TYL9105TX—ESTRADA CONCRETE COMPANY LLCApr 11, 2024 → Mar 12, 20267
SWC6374TX—ESTRADA CONCRETE COMPANY LLCNov 28, 2023 → Feb 28, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026