Equipment unit · VIN-decoded · NHTSA vPIC

2026 Mack Pinnacle

1M1PN4GY8TM019427 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 12, 2025
TX
Last seenOct 28, 2026
TX
Inspected under 2 different carriers in 13 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
1M1PN4GY8TM019427
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
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
8 · valid

Deterministic · position 9; calculated value 8.

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
019427

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 · Sep 12, 2025 – Oct 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 28, 2026TXII · Walk-around1—AMERICAN COMPOST LLC 3209680R813558/TX
Jul 27, 2026TXII · Walk-around0—AMERICAN COMPOST LLC 3209680R813558/TX
Jun 30, 2026TXII · Walk-around0—AMERICAN COMPOST LLC 3209680R813558/TX
Nov 10, 2025TXII · Walk-around0—AMERICAN COMPOST LLC 3209680BYR66365/TX
Sep 12, 2025TXII · Walk-around0—BRUCKNER TRUCK SALES INC 694039DLR36648/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMERICAN COMPOST LLC3209680Nov 10, 2025Oct 28, 20264TX
BRUCKNER TRUCK SALES INC694039Sep 12, 2025Sep 12, 20251TX
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.
R813558TX1AMERICAN COMPOST LLCJun 30, 2026 → Oct 28, 20263
BYR66365TX—AMERICAN COMPOST LLCNov 10, 2025 → Nov 10, 20251
DLR36648TX—BRUCKNER TRUCK SALES INCSep 12, 2025 → Sep 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026