Equipment unit · VIN-decoded · NHTSA vPIC

2018 Freightliner Cascadia

3AKJGLDR4JSJU6991 · Truck-Tractor · TRUCK
125Sleeper
Carriers run under2
23 mo
Inspections11
all-time
OOS inspections3
of 11
First seenMay 23, 2024
CA
Last seenApr 24, 2026
CA
Inspected under 2 different carriers in 23 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
3AKJGLDR4JSJU6991
Make
Freightliner
Model
Cascadia
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
JGLDR

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1988 or 2018

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
JU6991

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 · 16,819 decoded VINs at 100.0% prefix purity.

Model
Cascadia

Prefix basis · 16,819 decoded VINs at 100.0% prefix purity.

Model line
125

Sourced label · prefix basis 16,819 decoded VINs at 100.0% prefix purity.

Generation
125

Sourced label · prefix basis 16,819 decoded VINs at 100.0% prefix purity.

Cab type
Sleeper

Sourced label · prefix basis 16,819 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
2018

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 · May 23, 2024 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026CAIII · Driver-only1JD ARREAGA TRUCKING LLC 34421309H03979/CA
Mar 11, 2026CAV · Vehicle-only0I & A HERNANDEZ TRUCKING INC 35619289H03979/CA
Jan 20, 2026CAI · Full7OOSI & A HERNANDEZ TRUCKING INC 35619289H03979/CA
Oct 22, 2025CAII · Walk-around0JD ARREAGA TRUCKING LLC 34421309H03979/CA
Sep 26, 2025CAII · Walk-around2I & A HERNANDEZ TRUCKING INC 35619289H03979/CA
Feb 19, 2025CAI · Full2OOSI & A HERNANDEZ TRUCKING INC 35619289G36317/CA
Dec 31, 2024CAII · Walk-around4I & A HERNANDEZ TRUCKING INC 35619289G36317/CA
Sep 19, 2024CAI · Full0I & A HERNANDEZ TRUCKING INC 35619289G36317/CA
Sep 17, 2024CAI · Full2OOSI & A HERNANDEZ TRUCKING INC 35619289G36317/CA
Jul 29, 2024CAII · Walk-around0I & A HERNANDEZ TRUCKING INC 35619289G36317/CA
May 23, 2024CAIII · Driver-only2I & A HERNANDEZ TRUCKING INC 35619289G36317/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JD ARREAGA TRUCKING LLC3442130Oct 22, 2025Apr 24, 20262CA
I & A HERNANDEZ TRUCKING INC3561928May 23, 2024Mar 11, 20269CA
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.
9H03979CAJD ARREAGA TRUCKING LLCOct 22, 2025Apr 24, 20262
9H03979CAI & A HERNANDEZ TRUCKING INCSep 26, 2025Mar 11, 20263
9G36317CAI & A HERNANDEZ TRUCKING INCMay 23, 2024Feb 19, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026