Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Pinnacle

1M1PN4GYXPM013523 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections13
all-time
OOS inspections0
of 13
First seenMay 16, 2024
TX
Last seenMay 14, 2026
TX
Inspected under 2 different carriers in 24 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
1M1PN4GYXPM013523
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
X · valid

Deterministic · position 9; calculated value X.

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
013523

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 · May 16, 2024 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026TXI · Full0TFS GAS LLC 4061233R667635/TX
Jan 29, 2026TXI · Full0TFS GAS LLC 4061233R667635/TX
Jan 1, 2026TXII · Walk-around0TFS GAS LLC 4061233R667635/TX
Dec 31, 2025TXIII · Driver-only0TFS GAS LLC 4061233R667635/TX
Dec 9, 2025TXII · Walk-around0TFS GAS LLC 4061233R667635/TX
Aug 8, 2025TXII · Walk-around0TFS GAS LLC 4061233R667635/TX
Jul 9, 2025TXII · Walk-around0TFS GAS LLC 4061233R667635/TX
Mar 31, 2025TXII · Walk-around0TFS GAS LLC 4061233R667635/TX
Jan 21, 2025TXI · Full0TEXAS FUELING SERVICES INC 2423747R667635/TX
Sep 5, 2024TXI · Full0TEXAS FUELING SERVICES INC 2423747R667635/TX
Aug 19, 2024TXII · Walk-around0TEXAS FUELING SERVICES INC 2423747R667635/TX
Aug 7, 2024TXII · Walk-around0TEXAS FUELING SERVICES INC 2423747R667635/TX
May 16, 2024TXII · Walk-around3TEXAS FUELING SERVICES INC 2423747R667635/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TFS GAS LLC4061233Mar 31, 2025May 14, 20268TX
TEXAS FUELING SERVICES INC2423747May 16, 2024Jan 21, 20255TX
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.
R667635TX1TFS GAS LLCMar 31, 2025May 14, 20268
R667635TXTEXAS FUELING SERVICES INCMay 16, 2024Jan 21, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026