Equipment unit · VIN-decoded · NHTSA vPIC

2023 Freightliner Cascadia

3AKJHHDR7PSUJ2538 · Truck-Tractor · TRUCK
126Sleeper
Carriers run under1
31 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 29, 2023
OK
Last seenMar 23, 2026
NE
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3AKJHHDR7PSUJ2538
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 26, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
UJ2538

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 · Aug 29, 2023 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026NEIII · Driver-only0POLO TRANSPORT SERVICES LLC 2641953FV0052/IA
Jun 27, 2025WIIII · Driver-only1POLO TRANSPORT SERVICES LLC 2641953FV0052/CA
Feb 15, 2024ILIII · Driver-only0POLO TRANSPORT SERVICES LLC 2641953FV0052/IA
Nov 17, 2023MNIII · Driver-only1POLO TRANSPORT SERVICES LLC 2641953FV0052/IA
Sep 21, 2023MSII · Walk-around0POLO TRANSPORT SERVICES LLC 2641953FV0052/IA
Aug 29, 2023OKIII · Driver-only0POLO TRANSPORT SERVICES LLC 2641953FV0052/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
POLO TRANSPORT SERVICES LLC2641953Aug 29, 2023Mar 23, 20266IA
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.
FV0052IAPOLO TRANSPORT SERVICES LLCAug 29, 2023Mar 23, 20265
FV0052CAPOLO TRANSPORT SERVICES LLCJun 27, 2025Jun 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026