Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHLDR6MSMZ3451 · Truck-Tractor · TRUCK
126Day cab
Carriers run under2
35 mo
Inspections9
all-time
OOS inspections1
of 9
First seenAug 17, 2023
AR
Last seenJul 31, 2026
TX
Inspected under 2 different carriers in 35 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
3AKJHLDR6MSMZ3451
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
Jul 2, 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
JHLDR

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
MZ3451

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 · 4,711 decoded VINs at 100.0% prefix purity.

Model
Cascadia

Prefix basis · 4,711 decoded VINs at 100.0% prefix purity.

Model line
126

Sourced label · prefix basis 4,711 decoded VINs at 100.0% prefix purity.

Generation
126

Sourced label · prefix basis 4,711 decoded VINs at 100.0% prefix purity.

Cab type
Day cab

Sourced label · prefix basis 4,711 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 17, 2023 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TXII · Walk-around5WILHOIT BUILDERS OF TEXAS LLC 34999911N90466/TX
Jul 29, 2026TXII · Walk-around3OOSWILHOIT BUILDERS OF TEXAS LLC 34999911N90466/TX
Jul 17, 2026TXI · Full2WILHOIT BUILDERS OF TEXAS LLC 34999911N90466/TX
Jul 1, 2026TXII · Walk-around0WILHOIT BUILDERS OF TEXAS LLC 34999911N90466/TX
Mar 12, 2026TXII · Walk-around0WILHOIT BUILDERS OF TEXAS LLC 34999911N90466/TX
Apr 3, 2024TXII · Walk-around1QUALITY TRUCKING OF LITTLE ROCK LLC 1450387K817744/AR
Mar 11, 2024TXII · Walk-around3QUALITY TRUCKING OF LITTLE ROCK LLC 1450387K817744/AR
Feb 20, 2024TXI · Full4QUALITY TRUCKING OF LITTLE ROCK LLC 1450387K817744/AR
Aug 17, 2023ARIII · Driver-only0QUALITY TRUCKING OF LITTLE ROCK LLC 1450387K817744/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILHOIT BUILDERS OF TEXAS LLC3499991Mar 12, 2026Jul 31, 20265TX
QUALITY TRUCKING OF LITTLE ROCK LLC1450387Aug 17, 2023Apr 3, 20244AR
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.
1N90466TX1WILHOIT BUILDERS OF TEXAS LLCMar 12, 2026Jul 31, 20265
K817744ARQUALITY TRUCKING OF LITTLE ROCK LLCAug 17, 2023Apr 3, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 2, 2026