Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kalyn Siebert

5DDKV4522P1070479 · Trailer · TRAILER
Carriers run under2
14 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 22, 2025
AL
Last seenJun 23, 2026
AL
Inspected under 2 different carriers in 14 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
5DDKV4522P1070479
Make
Kalyn Siebert
Model
Kalyn Siebert
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
5DD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KV452

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
070479

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 · 65 decoded VINs at 100.0% prefix purity.

Model
Kalyn Siebert

Prefix basis · 65 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
2023

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 22, 2025 – Jun 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 23, 2026ALIII · Driver-only1EULAS CALVIN SHEALEY 43467145493487/ME
Feb 4, 2026ALII · Walk-around4EULAS CALVIN SHEALEY 43467145493487/ME
Jun 20, 2025ALIII · Driver-only0ROGER PATTEN 25482655493487/ME
Apr 22, 2025ALII · Walk-around2ROGER PATTEN 25482655493487/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EULAS CALVIN SHEALEY4346714Feb 4, 2026Jun 23, 20262AL
ROGER PATTEN2548265Apr 22, 2025Jun 20, 20252AL
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.
5493487ME2EULAS CALVIN SHEALEYFeb 4, 2026Jun 23, 20262
5493487MEROGER PATTENApr 22, 2025Jun 20, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026