Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR9MSMG9539 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under1
20 mo
Inspections7
all-time
OOS inspections1
of 7
First seenMay 24, 2024
MO
Last seenJan 11, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3AKJHHDR9MSMG9539
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 21, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
MG9539

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 · May 24, 2024 – Jan 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 11, 2026TXIII · Driver-only0WESTFIELD EXPRESS CORP 2456238P1246759/IL
Nov 6, 2025MSIII · Driver-only2WESTFIELD EXPRESS CORP 24562381246759/IL
Jul 22, 2025WAII · Walk-around0WESTFIELD EXPRESS CORP 2456238P1246759/IL
Feb 23, 2025UTIII · Driver-only1OOSWESTFIELD EXPRESS CORP 2456238P1246759/IL
Dec 23, 2024ILII · Walk-around0WESTFIELD EXPRESS CORP 2456238P1246759/IL
Aug 7, 2024NYII · Walk-around0WESTFIELD EXPRESS CORP 2456238P 1246759/IL
May 24, 2024MOIII · Driver-only0WESTFIELD EXPRESS CORP 2456238P1246759/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTFIELD EXPRESS CORP2456238May 24, 2024Jan 11, 20267IL
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.
P1246759ILWESTFIELD EXPRESS CORPMay 24, 2024Jan 11, 20265
1246759ILWESTFIELD EXPRESS CORPNov 6, 2025Nov 6, 20251
P 1246759ILWESTFIELD EXPRESS CORPAug 7, 2024Aug 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026