Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR2MSMJ8128 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under1
4 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 13, 2025
TX
Last seenJun 24, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3AKJHHDR2MSMJ8128
Make
Freightliner
Model
Cascadia
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 9, 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
3AK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JHHDR

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1991 or 2021

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

North American serial sequence
MJ8128

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
FREIGHTLINER

Prefix basis · 146,134 decoded VINs at 100.0% prefix purity.

Model
Cascadia

Prefix basis · 146,134 decoded VINs at 100.0% prefix purity.

Model line
126

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

Generation
126

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

Cab type
Sleeper

Sourced label · prefix basis 146,134 decoded VINs at 100.0% prefix purity.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 13, 2025 – Jun 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2025TXII · Walk-around0—MAYON TRANSPORTATION INC 4228195R779480/TX
Feb 13, 2025TXII · Walk-around1OOSMAYON TRANSPORTATION INC 4228195R724169/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAYON TRANSPORTATION INC4228195Feb 13, 2025Jun 24, 20252TX
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.
R779480TX—MAYON TRANSPORTATION INCJun 24, 2025 → Jun 24, 20251
R724169TX—MAYON TRANSPORTATION INCFeb 13, 2025 → Feb 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 9, 2026