Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner Cascadia

1FUJHHDR0MLMJ4638 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under4
18 mo
Inspections10
all-time
OOS inspections3
of 10
First seenJan 16, 2025
CA
Last seenJul 27, 2026
WA
Inspected under 4 different carriers in 18 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
1FUJHHDR0MLMJ4638
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 21, 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
1FU

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
MJ4638

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 · 19,831 decoded VINs at 100.0% prefix purity.

Model
Cascadia

Prefix basis · 19,831 decoded VINs at 100.0% prefix purity.

Model line
126

Sourced label · prefix basis 19,831 decoded VINs at 100.0% prefix purity.

Generation
126

Sourced label · prefix basis 19,831 decoded VINs at 100.0% prefix purity.

Cab type
Sleeper

Sourced label · prefix basis 19,831 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 · Jan 16, 2025 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026WAIII · Driver-only2OOSHARRY UP STAR LLC 4424513PXE9451/IL
Jul 23, 2026NDIII · Driver-only0HARRY UP STAR LLC 4424513PXE9451/OH
May 25, 2026WAIII · Driver-only2ATD EXPRESS INC 1940456P966585/IL
May 25, 2026WAIII · Driver-only0HARRY UP STAR LLC 4424513PXE9451/OH
May 10, 2026MNI · Full2OOSHARRY UP STAR LLC 4424513PXE9451/OH
Mar 29, 2026ILIII · Driver-only0SOPHIA EXPRESS INC 3668322P1317995/IL
Feb 17, 2026SDIII · Driver-only1SOPHIA EXPRESS INC 3668322P1317995/IL
Dec 31, 2025TXI · Full3OOSSOPHIA EXPRESS INC 3668322P1317995/IL
Jul 22, 2025ILIII · Driver-only0HOLSTEINER INC 3702920P1276974/IL
Jan 16, 2025CAIII · Driver-only0HOLSTEINER INC 3702920P1276974/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HARRY UP STAR LLC4424513May 10, 2026Jul 27, 20264OH
ATD EXPRESS INC1940456May 25, 2026May 25, 20261IL
SOPHIA EXPRESS INC3668322Dec 31, 2025Mar 29, 20263IL
HOLSTEINER INC3702920Jan 16, 2025Jul 22, 20252IL
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.
PXE9451IL1HARRY UP STAR LLCJul 27, 2026Jul 27, 20261
PXE9451OH1HARRY UP STAR LLCMay 10, 2026Jul 23, 20263
P966585ILATD EXPRESS INCMay 25, 2026May 25, 20261
P1317995ILSOPHIA EXPRESS INCDec 31, 2025Mar 29, 20263
P1276974ILHOLSTEINER INCJan 16, 2025Jul 22, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026