Equipment unit · VIN-decoded · NHTSA vPIC

2009 X-L Specialized Trailers Inc

4U3S005109L010524 · Trailer · TRAILER
Carriers run under2
27 mo
Inspections5
all-time
OOS inspections4
of 5
First seenJul 13, 2023
VA
Last seenOct 28, 2025
WY
Inspected under 2 different carriers in 27 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
4U3S005109L010524
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2009
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 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
2009 or 2039

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

North American serial sequence
010524

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
2009

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 · Jul 13, 2023 – Oct 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 28, 2025WYI · Full22OOSHILTRANS EXPRESS LLC 8471925130225/ME
Aug 29, 2025TNI · Full15OOSHILTRANS EXPRESS LLC 8471925130227/ME
Mar 11, 2025VAIII · Driver-only1OOSROCKTOWN TRANSPORT LLC 7608295130727/ME
Nov 26, 2023TXI · Full8OOSHILTRANS EXPRESS LLC 8471925130225/ME
Jul 13, 2023VAIII · Driver-only1ROCKTOWN TRANSPORT LLC 7608295130727/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HILTRANS EXPRESS LLC847192Nov 26, 2023Oct 28, 20253TX
ROCKTOWN TRANSPORT LLC760829Jul 13, 2023Mar 11, 20252VA
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.
5130225MEHILTRANS EXPRESS LLCNov 26, 2023Oct 28, 20252
5130227MEHILTRANS EXPRESS LLCAug 29, 2025Aug 29, 20251
5130727MEROCKTOWN TRANSPORT LLCJul 13, 2023Mar 11, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026