Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR1MSMZ6688 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
38 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 21, 2023
OH
Last seenSep 9, 2026
TX
Inspected under 3 different carriers in 38 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
3AKJHHDR1MSMZ6688
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
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
MZ6688

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 · Jul 21, 2023 – Sep 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 9, 2026TXII · Walk-around2OOSTRUCKZILLA INC 3393104P1372108/IL
Sep 17, 2025UTIII · Driver-only2—DMJ II LLC 3338973P1020887/IL
Aug 19, 2025CAI · Full0—DMJ II LLC 3338973P1020887/IL
Jun 7, 2025ILIII · Driver-only0—DMJ II LLC 3338973P1020887/IL
Feb 27, 2024WIIII · Driver-only2—MHT GROUP INC 2520708P1020887/IL
Oct 13, 2023OHI · Full0—MHT GROUP INC 2520708P1020887/IL
Jul 21, 2023OHIII · Driver-only0—MHT GROUP INC 2520708P1020887/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRUCKZILLA INC3393104Sep 9, 2026Sep 9, 20261IL
DMJ II LLC3338973Jun 7, 2025Sep 17, 20253IN
MHT GROUP INC2520708Jul 21, 2023Feb 27, 20243IL
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.
P1372108IL1TRUCKZILLA INCSep 9, 2026 → Sep 9, 20261
P1020887IL—DMJ II LLCJun 7, 2025 → Sep 17, 20253
P1020887IL—MHT GROUP INCJul 21, 2023 → Feb 27, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026