Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR7MSMC0999 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under1
16 mo
Inspections11
all-time
OOS inspections0
of 11
First seenNov 4, 2024
PA
Last seenMar 13, 2026
IL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3AKJHHDR7MSMC0999
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
Jun 18, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
MC0999

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.

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Cascadia

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.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 4, 2024 – Mar 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 13, 2026ILIII · Driver-only0WSM EXPRESS INC 3346833AH55538/PA
Aug 9, 2025KYI · Full1WSM EXPRESS INC 3346833AH55538/PA
Jul 1, 2025MOII · Walk-around6WSM EXPRESS INC 3346833AH55538/PA
Jun 27, 2025NEIII · Driver-only1WSM EXPRESS INC 3346833AH55538/PA
May 23, 2025WAII · Walk-around1WSM EXPRESS INC 3346833AH55538/PA
Mar 21, 2025NMII · Walk-around0WSM EXPRESS INC 3346833AH55538/PA
Mar 11, 2025NMII · Walk-around0WSM EXPRESS INC 3346833AH55538/PA
Feb 21, 2025KSII · Walk-around1WSM EXPRESS INC 3346833AH55538/PA
Jan 23, 2025COIII · Driver-only0WSM EXPRESS INC 3346833AH55538/PA
Dec 15, 2024KSII · Walk-around1WSM EXPRESS INC 3346833AH55538/PA
Nov 4, 2024PAIII · Driver-only2WSM EXPRESS INC 3346833AH55538/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WSM EXPRESS INC3346833Nov 4, 2024Mar 13, 202611IL
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.
AH55538PAWSM EXPRESS INCNov 4, 2024Mar 13, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026