Equipment unit · VIN-decoded · NHTSA vPIC

2025 Mack Pinnacle

1M1PN4GY4SM015566 · Truck-Tractor · TRUCK
Carriers run under1
19 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 25, 2024
GA
Last seenFeb 16, 2026
GA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1PN4GY4SM015566
Make
Mack
Model
Pinnacle
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 25, 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
1995 or 2025

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

North American serial sequence
015566

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
2025

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 25, 2024 – Feb 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 16, 2026GAIII · Driver-only0PINE HILL TIMBER CO INC 1997041C148ET/GA
Nov 26, 2025GAII · Walk-around3OOSPINE HILL TIMBER CO INC 1997041C148ET/GA
Jul 25, 2024GAIII · Driver-only1PINE HILL TIMBER CO INC 1997041C148ET/GA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PINE HILL TIMBER CO INC1997041Jul 25, 2024Feb 16, 20263GA
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.
C148ETGAPINE HILL TIMBER CO INCJul 25, 2024Feb 16, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026