Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR8MSMT1479 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under2
17 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 13, 2023
NM
Last seenMar 21, 2025
MO
Inspected under 2 different carriers in 17 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
3AKJHHDR8MSMT1479
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
8 · valid

Deterministic · position 9; calculated value 8.

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
MT1479

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 · Oct 13, 2023 – Mar 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 21, 2025MOIII · Driver-only02608919 ONTARIO INC 3597513363DSD/ON
Apr 13, 2024AZI · Full2HARLEQUIN TRANSPORT LLC 3499824R530991/TX
Apr 10, 2024TNI · Full3HARLEQUIN TRANSPORT LLC 3499824R530991/TX
Jan 13, 2024TXII · Walk-around1HARLEQUIN TRANSPORT LLC 3499824R530991/TX
Dec 2, 2023CAII · Walk-around3HARLEQUIN TRANSPORT LLC 3499824R530991/TX
Oct 13, 2023NMIII · Driver-only0HARLEQUIN TRANSPORT LLC 3499824R530991/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
2608919 ONTARIO INC3597513Mar 21, 2025Mar 21, 20251ON
HARLEQUIN TRANSPORT LLC3499824Oct 13, 2023Apr 13, 20245TX
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.
363DSDON2608919 ONTARIO INCMar 21, 2025Mar 21, 20251
R530991TXHARLEQUIN TRANSPORT LLCOct 13, 2023Apr 13, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026