Equipment unit · VIN-decoded · NHTSA vPIC

2023 Freightliner Cascadia

3AKJHHDR4PSUP4978 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under3
35 mo
Inspections12
all-time
OOS inspections1
of 12
First seenSep 16, 2023
MO
Last seenAug 3, 2026
IL
Inspected under 3 different carriers in 35 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
3AKJHHDR4PSUP4978
Make
Freightliner
Model
Cascadia
Model year
2023
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
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
1993 or 2023

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

North American serial sequence
UP4978

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
2023

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 · Sep 16, 2023 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026ILII · Walk-around0YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Jul 17, 2026CAII · Walk-around0YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Jul 16, 2026NVIII · Driver-only0YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Jul 1, 2026CAII · Walk-around2OOSYELLOW TRANSPORTATION INC 2033694ZP71253/CA
May 11, 2026CAIII · Driver-only0YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Feb 26, 2026IAIII · Driver-only2YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Dec 20, 2025CAII · Walk-around2YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Dec 8, 2025CAIII · Driver-only1YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Nov 20, 2025OHI · Full0YELLOW TRANSPORTATION INC 2033694ZP71253/CA
Feb 21, 2025GAIII · Driver-only1KAL FREIGHT INC 2511620ZP49599/CA
Oct 8, 2023CAII · Walk-around4SPG TRANSPORTATION INC 2881143YP93043/CA
Sep 16, 2023MOIII · Driver-only0SPG TRANSPORTATION INC 2881143YP93043/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YELLOW TRANSPORTATION INC2033694Nov 20, 2025Aug 3, 20269CA
KAL FREIGHT INC2511620Feb 21, 2025Feb 21, 20251TX
SPG TRANSPORTATION INC2881143Sep 16, 2023Oct 8, 20232TX
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.
ZP71253CA1YELLOW TRANSPORTATION INCNov 20, 2025Aug 3, 20269
ZP49599CAKAL FREIGHT INCFeb 21, 2025Feb 21, 20251
YP93043CASPG TRANSPORTATION INCSep 16, 2023Oct 8, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026