Equipment unit · VIN-decoded · NHTSA vPIC

2020 X-L Specialized Trailers Inc

4U3S00511LL018767 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections12
all-time
OOS inspections1
of 12
First seenNov 2, 2023
AZ
Last seenDec 10, 2025
IA
Inspected under 2 different carriers in 25 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
4U3S00511LL018767
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
1990 or 2020

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

North American serial sequence
018767

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
2020

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 · Nov 2, 2023 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025IAII · Walk-around2OOSPAUL TRANSPORTATION INC 10821055296191/ME
Nov 11, 2024OKIII · Driver-only2GULF STATES TRUCKING INC 18383805296191/ME
Aug 22, 2024CAII · Walk-around1GULF STATES TRUCKING INC 18383805296191/ME
Aug 16, 2024AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Aug 15, 2024AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Aug 12, 2024AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Jul 8, 2024AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Jun 20, 2024AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Nov 14, 2023AZIII · Driver-only0GULF STATES TRUCKING INC 18383805296191/ME
Nov 13, 2023AZII · Walk-around0GULF STATES TRUCKING INC 18383805296191/ME
Nov 3, 2023AZII · Walk-around0GULF STATES TRUCKING INC 18383805296191/ME
Nov 2, 2023AZIII · Driver-only1GULF STATES TRUCKING INC 18383805296191/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PAUL TRANSPORTATION INC1082105Dec 10, 2025Dec 10, 20251OK
GULF STATES TRUCKING INC1838380Nov 2, 2023Nov 11, 202411TX
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.
5296191MEPAUL TRANSPORTATION INCDec 10, 2025Dec 10, 20251
5296191MEGULF STATES TRUCKING INCNov 2, 2023Nov 11, 202411
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026