Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Pinnacle

1M1PN4GY4PM011024 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJul 20, 2023
SC
Last seenJan 22, 2026
NC
Inspected under 2 different carriers in 30 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
1M1PN4GY4PM011024
Make
Mack
Model
Pinnacle
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
PN4GY

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1993 or 2023

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

North American serial sequence
011024

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 · 2,471 decoded VINs at 100.0% prefix purity.

Model
Pinnacle

Prefix basis · 2,471 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
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 20, 2023 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026NCII · Walk-around6OOSCAROLINA STRUCTURAL SYSTEMS LLC 2943715PWT8623/OH
Jan 24, 2025NCII · Walk-around0CAROLINA STRUCTURAL SYSTEMS LLC 2943715PWT8623/OH
Oct 4, 2024NCII · Walk-around2OOSCAROLINA STRUCTURAL SYSTEMS LLC 2943715PWT8623/OH
Jan 24, 2024SCIII · Driver-only3LITTLE LOGGING INC 2424618PWT8623/OH
Jan 9, 2024NCIII · Driver-only0LITTLE LOGGING INC 2424618PWT8623/OH
Jul 20, 2023SCII · Walk-around4LITTLE LOGGING INC 2424618PWT8623/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAROLINA STRUCTURAL SYSTEMS LLC2943715Oct 4, 2024Jan 22, 20263NC
LITTLE LOGGING INC2424618Jul 20, 2023Jan 24, 20243NC
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.
PWT8623OHCAROLINA STRUCTURAL SYSTEMS LLCOct 4, 2024Jan 22, 20263
PWT8623OHLITTLE LOGGING INCJul 20, 2023Jan 24, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026