Equipment unit · VIN-decoded · NHTSA vPIC

2019 X-L Specialized Trailers Inc

4U3S00510KL017981 · Trailer · TRAILER
Carriers run under1
22 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 10, 2024
PA
Last seenJul 19, 2026
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4U3S00510KL017981
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 31, 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
4U3

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S0051

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1989 or 2019

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

North American serial sequence
017981

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
X-L SPECIALIZED TRAILERS INC

Prefix basis · 124 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 124 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
X-L SPECIALIZED TRAILERS INC

Observed directly for this VIN via NHTSA vPIC.

Observed model
X-L SPECIALIZED TRAILERS INC

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 · Sep 10, 2024 – Jul 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 19, 2026PAIII · Driver-only9FENTON WELDING TRANSPORT LLC 2106940PT836T5/PA
Jul 19, 2026PAIII · Driver-only9FENTON WELDING TRANSPORT LLC 2106940PT836T5/PA
Jul 19, 2026PAIII · Driver-only9FENTON WELDING TRANSPORT LLC 2106940PT836T5/PA
Sep 10, 2024PAII · Walk-around6FENTON WELDING TRANSPORT LLC 2106940PT520E4/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FENTON WELDING TRANSPORT LLC2106940Sep 10, 2024Jul 19, 20264PA
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.
PT836T5PA3FENTON WELDING TRANSPORT LLCJul 19, 2026Jul 19, 20263
PT520E4PAFENTON WELDING TRANSPORT LLCSep 10, 2024Sep 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026