Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR0MSMN3749 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under4
33 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 8, 2023
GA
Last seenMay 26, 2026
IL
Inspected under 4 different carriers in 33 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
3AKJHHDR0MSMN3749
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
0 · valid

Deterministic · position 9; calculated value 0.

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
MN3749

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 · Aug 8, 2023 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026ILIII · Driver-only0HIGHWAY TRUCKING SERVICES INC 2987558P1236929/IL
Oct 12, 2025MDI · Full0HIGHWAY TRUCKING SERVICES INC 2987558P1236929/IL
Oct 4, 2025KSII · Walk-around1HIGHWAY TRUCKING SERVICES INC 2987558P1236929/IL
Aug 7, 2025TNI · Full1KARS INC 1708768P1236929/IL
Apr 10, 2024WAIII · Driver-only3LENO LOG LLC 4003873P1236929/IL
Aug 8, 2023GAIII · Driver-only2BLC TRANSPORTATION INC 157320864KR0U/MO
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HIGHWAY TRUCKING SERVICES INC2987558Oct 4, 2025May 26, 20263IL
KARS INC1708768Aug 7, 2025Aug 7, 20251ID
LENO LOG LLC4003873Apr 10, 2024Apr 10, 20241OH
BLC TRANSPORTATION INC1573208Aug 8, 2023Aug 8, 20231MO
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.
P1236929ILHIGHWAY TRUCKING SERVICES INCOct 4, 2025May 26, 20263
P1236929ILKARS INCAug 7, 2025Aug 7, 20251
P1236929ILLENO LOG LLCApr 10, 2024Apr 10, 20241
64KR0UMO1BLC TRANSPORTATION INCAug 8, 2023Aug 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026