Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR6MSMH3743 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
36 mo
Inspections7
all-time
OOS inspections1
of 7
First seenOct 2, 2023
PA
Last seenOct 6, 2026
SC
Inspected under 3 different carriers in 36 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
3AKJHHDR6MSMH3743
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 1, 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
MH3743

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 · Oct 2, 2023 – Oct 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 6, 2026SCIII · Driver-only1—EFFICIENCY BRAND LLC 4139121PXG4126/OH
Sep 30, 2026MDII · Walk-around1—EFFICIENCY BRAND LLC 4139121PXG4126/OH
Oct 3, 2025AZII · Walk-around2—2131 TRANSPORTATION LLC 37628513821453/IN
Jun 17, 2025PAIII · Driver-only2—2131 TRANSPORTATION LLC 37628513821453/IN
Sep 11, 2024OHII · Walk-around2—US XPRESS INC 3030243EP599/OK
Nov 27, 2023TNI · Full0—US XPRESS INC 3030243EP599/OK
Oct 2, 2023PAIII · Driver-only3OOSUS XPRESS INC 3030243EP599/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EFFICIENCY BRAND LLC4139121Sep 30, 2026Oct 6, 20262OH
2131 TRANSPORTATION LLC3762851Jun 17, 2025Oct 3, 20252TX
US XPRESS INC303024Oct 2, 2023Sep 11, 20243TN
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.
PXG4126OH1EFFICIENCY BRAND LLCSep 30, 2026 → Oct 6, 20262
3821453IN—2131 TRANSPORTATION LLCJun 17, 2025 → Oct 3, 20252
3EP599OK—US XPRESS INCOct 2, 2023 → Sep 11, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026