Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kalyn Siebert Kalyn/Siebert Canada

2A9SWF8B0XT053773 · Trailer · TRAILER
Carriers run under1
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seenOct 6, 2023
CA
Last seenFeb 21, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2A9SWF8B0XT053773
Make
Kalyn Siebert
Model
Kalyn/Siebert Canada
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
2A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SWF8B

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1999 or 2029

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

North American serial sequence
053773

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 Canada

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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
KALYN SIEBERT

Observed directly for this VIN via NHTSA vPIC.

Observed model
Kalyn/Siebert Canada

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 · Oct 6, 2023 – Feb 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2026CAII · Walk-around4YOUR WAY TREE SERVICE INC 27089144PE4385/CA
Feb 5, 2026CAV · Vehicle-only3YOUR WAY TREE SERVICE INC 27089144PE4385/CA
Aug 20, 2024CAV · Vehicle-only6OOSYOUR WAY TREE SERVICE INC 27089144PE4385/CA
Jun 22, 2024CAI · Full7OOSYOUR WAY TREE SERVICE INC 27089144PE4385/CA
Oct 6, 2023CAIII · Driver-only0YOUR WAY TREE SERVICE INC 27089144PE4385/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YOUR WAY TREE SERVICE INC2708914Oct 6, 2023Feb 21, 20265CA
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.
4PE4385CAYOUR WAY TREE SERVICE INCOct 6, 2023Feb 21, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026