Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kalyn Siebert

5DDKV4520M1068161 · Trailer · TRAILER
Carriers run under1
19 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 13, 2024
SC
Last seenMar 30, 2026
SC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DDKV4520M1068161
Make
Kalyn Siebert
Model
Kalyn Siebert
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1991 or 2021

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

North American serial sequence
068161

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
2021

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 · Aug 13, 2024 – Mar 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 30, 2026SCIII · Driver-only0MCWHORTER LOGGING INC 507138W1H922/GA
Feb 9, 2026SCIII · Driver-only0MCWHORTER LOGGING INC 507138W1H922/GA
May 22, 2025SCIII · Driver-only2MCWHORTER LOGGING INC 507138WIH922/GA
Apr 10, 2025SCII · Walk-around4OOSMCWHORTER LOGGING INC 507138WIH922/GA
Aug 26, 2024SCI · Full6OOSMCWHORTER LOGGING INC 507138WIH922/GA
Aug 13, 2024SCIII · Driver-only0MCWHORTER LOGGING INC 507138WIH922/GA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MCWHORTER LOGGING INC507138Aug 13, 2024Mar 30, 20266GA
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.
W1H922GAMCWHORTER LOGGING INCFeb 9, 2026Mar 30, 20262
WIH922GAMCWHORTER LOGGING INCAug 13, 2024May 22, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026