Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR5MSMT9555 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
29 mo
Inspections11
all-time
OOS inspections2
of 11
First seenFeb 29, 2024
MO
Last seenJul 13, 2026
CA
Inspected under 3 different carriers in 29 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
3AKJHHDR5MSMT9555
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 19, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
MT9555

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 · Feb 29, 2024 – Jul 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 13, 2026CAIII · Driver-only1STS LOGISTICS INC 4443303ZP71289/CA
Jun 2, 2026CAI · Full3STS LOGISTICS INC 4443303ZP71289/CA
May 25, 2026CAIII · Driver-only1STS LOGISTICS INC 4443303ZP71289/CA
May 20, 2026AZII · Walk-around2STS LOGISTICS INC 4443303ZP71289/CA
Apr 8, 2026CAI · Full3OOSSTS LOGISTICS INC 4443303ZP71289/CA
Dec 4, 2025CAII · Walk-around2STS LOGISTICS INC 4443303ZP71289/CA
Nov 21, 2025CAII · Walk-around3STS LOGISTICS INC 4443303ZP71289/CA
Mar 11, 2025MOV · Vehicle-only0HOGAN DEDICATED SERVICES LLC 113766038KS3A/MO
Jun 7, 2024TNIII · Driver-only0HOGAN DEDICATED SERVICES LLC 113766038KS3A/MO
May 21, 2024KYII · Walk-around1OOSHOGAN TRUCK LEASING LLC 8678738KS3A/MO
Feb 29, 2024MOV · Vehicle-only0HOGAN DEDICATED SERVICES LLC 113766038KS3A/MO
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STS LOGISTICS INC4443303Nov 21, 2025Jul 13, 20267CA
HOGAN DEDICATED SERVICES LLC1137660Feb 29, 2024Mar 11, 20253MO
HOGAN TRUCK LEASING LLC86787May 21, 2024May 21, 20241MO
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.
ZP71289CA1STS LOGISTICS INCNov 21, 2025Jul 13, 20267
38KS3AMOHOGAN DEDICATED SERVICES LLCFeb 29, 2024Mar 11, 20253
38KS3AMOHOGAN TRUCK LEASING LLCMay 21, 2024May 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026