Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDRXMSMH4491 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under2
37 mo
Inspections12
all-time
OOS inspections3
of 12
First seenJun 28, 2023
TN
Last seenJul 22, 2026
MO
Inspected under 2 different carriers in 37 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
3AKJHHDRXMSMH4491
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 17, 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
X · valid

Deterministic · position 9; calculated value X.

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
MH4491

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 · Jun 28, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026MOIII · Driver-only0BILLOR US TRANSPORT LLC 3749157VW6707/NC
Jun 11, 2026ILIII · Driver-only3BILLOR US TRANSPORT LLC 3749157VW6707/NC
May 26, 2026IAII · Walk-around1BILLOR US TRANSPORT LLC 3749157VW6707/NC
May 8, 2026AZII · Walk-around1OOSBILLOR US TRANSPORT LLC 3749157VW6707/NC
Dec 3, 2025TXII · Walk-around3BILLOR US TRANSPORT LLC 3749157VW6707/NC
Jun 4, 2025SDIII · Driver-only0BILLOR US TRANSPORT LLC 3749157VW6707/NC
Mar 6, 2025VAIII · Driver-only0US XPRESS INC 3030243FC350/OK
Jan 25, 2025NCI · Full1OOSUS XPRESS INC 3030243FC350/OK
Nov 13, 2024NCI · Full2OOSUS XPRESS INC 3030243FC350/OK
Aug 19, 2024TNI · Full0US XPRESS INC 3030243FC35-/OK
Jan 31, 2024OHI · Full1US XPRESS INC 3030243FC350/OK
Jun 28, 2023TNI · Full0US XPRESS INC 3030243FC350/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BILLOR US TRANSPORT LLC3749157Jun 4, 2025Jul 22, 20266NC
US XPRESS INC303024Jun 28, 2023Mar 6, 20256TN
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.
VW6707NC1BILLOR US TRANSPORT LLCJun 4, 2025Jul 22, 20266
3FC350OKUS XPRESS INCJun 28, 2023Mar 6, 20255
3FC35-OKUS XPRESS INCAug 19, 2024Aug 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026