Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Pinnacle

1M1PN4GY8LM004555 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections2
of 3
First seenSep 17, 2025
WI
Last seenAug 13, 2026
TX
Inspected under 2 different carriers in 11 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
1M1PN4GY8LM004555
Make
Mack
Model
Pinnacle
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 4, 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
1990 or 2020

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

North American serial sequence
004555

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
2020

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 · Sep 17, 2025 – Aug 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 13, 2026TXI · Full7OOSTRUCK-ON LLC 25091831P01452/TX
Aug 13, 2026TXI · Full7OOSTRUCK-ON LLC 25091831P01452/TX
Sep 17, 2025WIII · Walk-around1FLEISCHMAN TRANSIT INC 1230683TS56434/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRUCK-ON LLC2509183Aug 13, 2026Aug 13, 20262TX
FLEISCHMAN TRANSIT INC1230683Sep 17, 2025Sep 17, 20251WI
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.
1P01452TX1TRUCK-ON LLCAug 13, 2026Aug 13, 20262
TS56434WIFLEISCHMAN TRANSIT INCSep 17, 2025Sep 17, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 4, 2026