Equipment unit · VIN-decoded · NHTSA vPIC

2023 X-L Specialized Trailers Inc

4U3S00511PL021867 · Trailer · TRAILER
Carriers run under2
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 26, 2023
MO
Last seenMar 2, 2025
AL
Inspected under 2 different carriers in 21 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
4U3S00511PL021867
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
021867

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
2023

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 · Jun 26, 2023 – Mar 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2025ALIII · Driver-only1SNP EXPRESS INC 2542243960051ST/IL
Jan 12, 2025ARII · Walk-around3SNP EXPRESS INC 2542243960051ST/IL
Aug 3, 2024IAIII · Driver-only1SNP EXPRESS INC 2542243960051ST/IL
Jul 15, 2024MDII · Walk-around2SNP EXPRESS INC 2542243960051ST/IL
Jun 26, 2023MOII · Walk-around3BOT TRANSPORT INC 3784081TTB7453/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SNP EXPRESS INC2542243Jul 15, 2024Mar 2, 20254IL
BOT TRANSPORT INC3784081Jun 26, 2023Jun 26, 20231OH
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.
960051STILSNP EXPRESS INCJul 15, 2024Mar 2, 20254
TTB7453OHBOT TRANSPORT INCJun 26, 2023Jun 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026