Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mack Pinnacle

1M1PN4GY7LM006684 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 11, 2023
MS
Last seenApr 30, 2026
TN
Inspected under 3 different carriers in 32 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
1M1PN4GY7LM006684
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
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
7 · valid

Deterministic · position 9; calculated value 7.

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
006684

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 · Aug 11, 2023 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026TNIII · Driver-only0CULLUM INC 2047724A554288/MS
Dec 9, 2025MSIII · Driver-only1CULLUM INC 2047724A554288/MS
Aug 29, 2025TNIII · Driver-only1OOSCULLUM INC 2047724A554288/MS
Feb 29, 2024MSII · Walk-around1TRI-STATE TRUCK CENTER INC 8039A476564/MS
Oct 25, 2023MSII · Walk-around2BELL AND SONS TRUCKING COMPANY INC 543570A476564/MS
Aug 11, 2023MSII · Walk-around4OOSBELL AND SONS TRUCKING COMPANY INC 543570A476564/MS
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CULLUM INC2047724Aug 29, 2025Apr 30, 20263MS
TRI-STATE TRUCK CENTER INC8039Feb 29, 2024Feb 29, 20241TN
BELL AND SONS TRUCKING COMPANY INC543570Aug 11, 2023Oct 25, 20232MS
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.
A554288MSCULLUM INCAug 29, 2025Apr 30, 20263
A476564MSTRI-STATE TRUCK CENTER INCFeb 29, 2024Feb 29, 20241
A476564MSBELL AND SONS TRUCKING COMPANY INCAug 11, 2023Oct 25, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026