Equipment unit · VIN-decoded · NHTSA vPIC

2025 X-L Specialized Trailers Inc

4U3J04825SL023914 · Trailer · TRAILER
Carriers run under2
19 mo
Inspections8
all-time
OOS inspections0
of 8
First seenOct 2, 2024
KS
Last seenMay 3, 2026
UT
Inspected under 2 different carriers in 19 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
4U3J04825SL023914
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
J0482

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
023914

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 · 439 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 439 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
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 · Oct 2, 2024 – May 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 3, 2026UTIII · Driver-only1SMARTWAY EXPRESS INC 3525590977273/IL
Oct 2, 2025PAIII · Driver-only0SMARTWAY EXPRESS INC 3525590977273ST/IL
Sep 21, 2025ARIII · Driver-only0SMARTWAY EXPRESS INC 3525590977273ST/IL
Jul 24, 2025WVIII · Driver-only1SMARTWAY EXPRESS INC 3525590977273ST/IL
Mar 29, 2025NMII · Walk-around0SMARTWAY EXPRESS INC 3525590977273ST/IL
Mar 5, 2025OKIII · Driver-only0SMARTWAY EXPRESS INC 3525590977273ST/IL
Jan 27, 2025MIII · Walk-around0SUNWAY CARRIERS INC 3097552977273ST/IL
Oct 2, 2024KSII · Walk-around2SMARTWAY EXPRESS INC 3525590977273ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMARTWAY EXPRESS INC3525590Oct 2, 2024May 3, 20267IL
SUNWAY CARRIERS INC3097552Jan 27, 2025Jan 27, 20251IL
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.
977273ILSMARTWAY EXPRESS INCMay 3, 2026May 3, 20261
977273STILSMARTWAY EXPRESS INCOct 2, 2024Oct 2, 20256
977273STILSUNWAY CARRIERS INCJan 27, 2025Jan 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026