Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kalyn Siebert

5DDKE4557S1169544 · Trailer · TRAILER
Carriers run under1
22 mo
Inspections7
all-time
OOS inspections0
of 7
First seenApr 15, 2024
OH
Last seenFeb 21, 2026
OH
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DDKE4557S1169544
Make
Kalyn Siebert
Model
Kalyn Siebert
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
5DD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KE455

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1995 or 2025

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

North American serial sequence
169544

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
KALYN SIEBERT

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Kalyn Siebert

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
KALYN SIEBERT

Observed directly for this VIN via NHTSA vPIC.

Observed model
Kalyn Siebert

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 15, 2024 – Feb 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2026OHIII · Driver-only1SOUTHERN TRANSPORT LLC 14657935349591/ME
Oct 17, 2025INII · Walk-around0SOUTHERN TRANSPORT LLC 14657935349591/ME
Sep 22, 2025INII · Walk-around0SOUTHERN TRANSPORT LLC 14657935349591/ME
Aug 7, 2025INII · Walk-around2SOUTHERN TRANSPORT LLC 14657935349591/ME
Jun 4, 2025INII · Walk-around1SOUTHERN TRANSPORT LLC 14657935349591/ME
Mar 19, 2025INIII · Driver-only1SOUTHERN TRANSPORT LLC 14657935349591/ME
Apr 15, 2024OHIII · Driver-only0SOUTHERN TRANSPORT LLC 14657935349591/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN TRANSPORT LLC1465793Apr 15, 2024Feb 21, 20267TX
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.
5349591MESOUTHERN TRANSPORT LLCApr 15, 2024Feb 21, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026