Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

3AKJHHDR4MSMU4617 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
25 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 28, 2024
AR
Last seenAug 26, 2026
MO
Inspected under 3 different carriers in 25 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
3AKJHHDR4MSMU4617
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
4 · valid

Deterministic · position 9; calculated value 4.

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
MU4617

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 · Jul 28, 2024 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026MOI · Full0BOOK CITY TRUCKING LLC 4162410TEMP/PA
Aug 4, 2026COIII · Driver-only0BOOK CITY TRUCKING LLC 4162410TEMP 811023/PA
Jan 24, 2025NCIII · Driver-only0J A J GLOBAL TRANSPORTATION INC 2982275AH60086/PA
Oct 13, 2024TNIII · Driver-only0XPRESS AUTO TRANSPORT INC 3878126AH60086/UK
Jul 28, 2024ARIII · Driver-only1XPRESS AUTO TRANSPORT INC 3878126749291/PA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOOK CITY TRUCKING LLC4162410Aug 4, 2026Aug 26, 20262PA
J A J GLOBAL TRANSPORTATION INC2982275Jan 24, 2025Jan 24, 20251PA
XPRESS AUTO TRANSPORT INC3878126Jul 28, 2024Oct 13, 20242PA
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.
TEMPPA1BOOK CITY TRUCKING LLCAug 26, 2026Aug 26, 20261
TEMP 811023PA1BOOK CITY TRUCKING LLCAug 4, 2026Aug 4, 20261
AH60086PAJ A J GLOBAL TRANSPORTATION INCJan 24, 2025Jan 24, 20251
AH60086UKXPRESS AUTO TRANSPORT INCOct 13, 2024Oct 13, 20241
749291PAXPRESS AUTO TRANSPORT INCJul 28, 2024Jul 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026