Equipment unit · VIN-decoded · NHTSA vPIC

2018 X-L Specialized Trailers Inc

4U3S00513JL017424 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections3
of 7
First seenOct 12, 2023
SD
Last seenApr 24, 2026
IN
Inspected under 2 different carriers in 30 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
4U3S00513JL017424
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

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

North American serial sequence
017424

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
2018

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 12, 2023 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026INII · Walk-around0ZMAXIM CORP 4053610983943ST/IL
Oct 14, 2025CAII · Walk-around1ZMAXIM CORP 4053610983943ST/IL
May 7, 2025UTI · Full10OOSZMAXIM CORP 4053610983943ST/IL
Mar 14, 2025INII · Walk-around6OOSZMAXIM CORP 4053610983943ST/IL
Sep 10, 2024WVII · Walk-around3OOSZMAXIM CORP 405361034175PT/WV
Aug 21, 2024KYIII · Driver-only1ZMAXIM CORP 405361034175PT/SC
Oct 12, 2023SDIII · Driver-only1LAM EXPRESS LLC 280035334176PT/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZMAXIM CORP4053610Aug 21, 2024Apr 24, 20266IL
LAM EXPRESS LLC2800353Oct 12, 2023Oct 12, 20231SC
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.
983943STILZMAXIM CORPMar 14, 2025Apr 24, 20264
34175PTWVZMAXIM CORPSep 10, 2024Sep 10, 20241
34175PTSCZMAXIM CORPAug 21, 2024Aug 21, 20241
34176PTSCLAM EXPRESS LLCOct 12, 2023Oct 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026