Equipment unit · VIN-decoded · NHTSA vPIC

2015 Mack CHU (Pinnacle)

1M1AN09Y8FM019783 · Truck-Tractor · TRUCK
Carriers run under4
24 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 13, 2023
NM
Last seenJul 8, 2025
NV
Inspected under 4 different carriers in 24 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
1M1AN09Y8FM019783
Make
Mack
Model
CHU (Pinnacle)
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1985 or 2015

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

North American serial sequence
019783

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.

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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CHU (Pinnacle)

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 · Jul 13, 2023 – Jul 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2025NVIII · Driver-only1LOOP CONSTRUCTION SERVICES LLC 4265730117699P/NV
Jun 25, 2024NVIII · Driver-only0TBC - THE BORING COMPANY 3127946115621P/NV
Sep 7, 2023NMI · Full5OOSGCC SUN CITY MATERIALS LLC 2934135R339915/TX
Aug 24, 2023NMII · Walk-around2GCC SUN CITY MATERIALS LLC 293413584EP4C/CH
Aug 3, 2023NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339915/TX
Jul 21, 2023NMII · Walk-around1GCC SUN CITY MATERIALS LLC 2934135R339915/TX
Jul 13, 2023NMII · Walk-around0GCC TRANSPORTE SA DE CV 65015584EP4C/CH
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LOOP CONSTRUCTION SERVICES LLC4265730Jul 8, 2025Jul 8, 20251NV
TBC - THE BORING COMPANY3127946Jun 25, 2024Jun 25, 20241TX
GCC SUN CITY MATERIALS LLC2934135Jul 21, 2023Sep 7, 20234TX
GCC TRANSPORTE SA DE CV650155Jul 13, 2023Jul 13, 20231CI
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.
117699PNVLOOP CONSTRUCTION SERVICES LLCJul 8, 2025Jul 8, 20251
115621PNVTBC - THE BORING COMPANYJun 25, 2024Jun 25, 20241
R339915TXGCC SUN CITY MATERIALS LLCJul 21, 2023Sep 7, 20233
84EP4CCHGCC SUN CITY MATERIALS LLCAug 24, 2023Aug 24, 20231
84EP4CCHGCC TRANSPORTE SA DE CVJul 13, 2023Jul 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026