Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR1MSMS3031 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under2
34 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 5, 2023
NM
Last seenJun 25, 2026
MO
Inspected under 2 different carriers in 34 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
3AKJHHDR1MSMS3031
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
1 · valid

Deterministic · position 9; calculated value 1.

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
MS3031

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 · Aug 5, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026MOIII · Driver-only1TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Mar 2, 2026AZIII · Driver-only1TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Oct 14, 2025CAII · Walk-around1TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Jul 26, 2025KSII · Walk-around1TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Apr 14, 2025CAIII · Driver-only1TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Jan 9, 2025NMIII · Driver-only0TUFAN TRANSPORTATION LLC 4201668AM59775/AZ
Dec 29, 2023CAIII · Driver-only1ADD EXPRESS INC 5703573003684/IN
Oct 24, 2023NMII · Walk-around0ADD EXPRESS INC 5703573003684/IN
Aug 5, 2023NMII · Walk-around0ADD EXPRESS INC 5703573003684/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TUFAN TRANSPORTATION LLC4201668Jan 9, 2025Jun 25, 20266AZ
ADD EXPRESS INC570357Aug 5, 2023Dec 29, 20233CA
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.
AM59775AZ1TUFAN TRANSPORTATION LLCJan 9, 2025Jun 25, 20266
3003684INADD EXPRESS INCAug 5, 2023Dec 29, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026