Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR4MSMH3479 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
27 mo
Inspections6
all-time
OOS inspections0
of 6
First seenMar 14, 2024
TN
Last seenJun 9, 2026
NV
Inspected under 3 different carriers in 27 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
3AKJHHDR4MSMH3479
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 26, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
MH3479

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 · Mar 14, 2024 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026NVII · Walk-around0—FOREVER TRANS INC 4171027ZP64399/CA
Feb 12, 2026CAI · Full0—FOREVER TRANS INC 4171027ZP64399/CA
Aug 4, 2025AZII · Walk-around3—S&M FREIGHT INC 4049925ZP47975/CA
Jul 3, 2025TXII · Walk-around3—S&M FREIGHT INC 4049925ZP47975/CA
Dec 10, 2024TNIII · Driver-only0—US XPRESS INC 3030243EN608/OK
Mar 14, 2024TNIII · Driver-only1—US XPRESS INC 3030243EN608/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FOREVER TRANS INC4171027Feb 12, 2026Jun 9, 20262CA
S&M FREIGHT INC4049925Jul 3, 2025Aug 4, 20252CA
US XPRESS INC303024Mar 14, 2024Dec 10, 20242TN
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.
ZP64399CA—FOREVER TRANS INCFeb 12, 2026 → Jun 9, 20262
ZP47975CA—S&M FREIGHT INCJul 3, 2025 → Aug 4, 20252
3EN608OK—US XPRESS INCMar 14, 2024 → Dec 10, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026