Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR6MSMH3709 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
34 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 21, 2023
TN
Last seenSep 9, 2026
AL
Inspected under 3 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
3AKJHHDR6MSMH3709
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
Aug 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
JHHDR

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
MH3709

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 · Nov 21, 2023 – Sep 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 9, 2026ALII · Walk-around6OOSBIG RIG RUNNERS INC 4169062PXD9138/OH
Nov 28, 2025GAIII · Driver-only1—DIESEL ENGINE REPAIRS LLC 3773501PXD9138/GA
Jun 27, 2024TXI · Full0—US XPRESS INC 3030243HR816/OK
Nov 21, 2023TNI · Full2—US XPRESS INC 3030243HR816/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG RIG RUNNERS INC4169062Sep 9, 2026Sep 9, 20261OH
DIESEL ENGINE REPAIRS LLC3773501Nov 28, 2025Nov 28, 20251IN
US XPRESS INC303024Nov 21, 2023Jun 27, 20242TN
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.
PXD9138OH1BIG RIG RUNNERS INCSep 9, 2026 → Sep 9, 20261
PXD9138GA—DIESEL ENGINE REPAIRS LLCNov 28, 2025 → Nov 28, 20251
3HR816OK—US XPRESS INCNov 21, 2023 → Jun 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026