Equipment unit · VIN-decoded · NHTSA vPIC

2026 Mack Pinnacle

1M1PN4GY7TM018687 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections1
of 4
First seenApr 30, 2025
AL
Last seenOct 14, 2026
AL
Inspected under 2 different carriers in 18 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
1M1PN4GY7TM018687
Make
Mack
Model
Pinnacle
Model year
2026
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 24, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1996 or 2026

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

North American serial sequence
018687

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.

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 · Apr 30, 2025 – Oct 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2026ALII · Walk-around3—WT LOGGING 451879751A0DDN/AL
Sep 10, 2026ALII · Walk-around4—WT LOGGING 451879751A0DDN/AL
Mar 24, 2026ALII · Walk-around1OOSWT LOGGING 451879751A0EAC/AL
Apr 30, 2025ALIII · Driver-only0—CMA LOGGING LLC 107999351A0CTW/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WT LOGGING4518797Mar 24, 2026Oct 14, 20263AL
CMA LOGGING LLC1079993Apr 30, 2025Apr 30, 20251AL
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.
51A0DDNAL1WT LOGGINGSep 10, 2026 → Oct 14, 20262
51A0EACAL—WT LOGGINGMar 24, 2026 → Mar 24, 20261
51A0CTWAL—CMA LOGGING LLCApr 30, 2025 → Apr 30, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 24, 2026