Equipment unit · VIN-decoded · NHTSA vPIC

2015 Mack CHU (Pinnacle)

1M1AN09Y5FM019787 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections13
all-time
OOS inspections1
of 13
First seenNov 3, 2023
NM
Last seenMar 2, 2026
LA
Inspected under 3 different carriers in 28 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
1M1AN09Y5FM019787
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 16, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
019787

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 · Nov 3, 2023 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026LAII · Walk-around0DOC ENERGY SERVICES INC 509015P287596/LA
Jun 12, 2024NMIII · Driver-only0GCC TRANSPORTE SA DE CV 65015586EP4C/CH
May 16, 2024NMII · Walk-around0GCC SUN CITY MATERIALS LLC 293413586EP4C/MX
Apr 19, 2024NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Mar 19, 2024NMII · Walk-around0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Mar 15, 2024NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Mar 14, 2024NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Feb 21, 2024USIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Feb 19, 2024USIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Feb 12, 2024USI · Full1OOSGCC SUN CITY MATERIALS LLC 2934135R339917/TX
Jan 12, 2024NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Nov 20, 2023NMII · Walk-around0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
Nov 3, 2023NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R339917/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOC ENERGY SERVICES INC509015Mar 2, 2026Mar 2, 20261LA
GCC TRANSPORTE SA DE CV650155Jun 12, 2024Jun 12, 20241CI
GCC SUN CITY MATERIALS LLC2934135Nov 3, 2023May 16, 202411TX
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.
P287596LADOC ENERGY SERVICES INCMar 2, 2026Mar 2, 20261
86EP4CCHGCC TRANSPORTE SA DE CVJun 12, 2024Jun 12, 20241
86EP4CMXGCC SUN CITY MATERIALS LLCMay 16, 2024May 16, 20241
R339917TXGCC SUN CITY MATERIALS LLCNov 3, 2023Apr 19, 202410
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026