Equipment unit · VIN-decoded · NHTSA vPIC

2020 X-L Specialized Trailers Inc

4U3S00517LL018787 · Trailer · TRAILER
Carriers run under3
16 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 25, 2024
NY
Last seenMay 23, 2025
NY
Inspected under 3 different carriers in 16 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
4U3S00517LL018787
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
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
7 · valid

Deterministic · position 9; calculated value 7.

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
018787

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 · Jan 25, 2024 – May 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 23, 2025NYII · Walk-around0RGM TRANSPORT LLC 13836665393810/ME
May 21, 2025NYI · Full9OOSRGM TRANSPORT LLC 13836665393810/ME
Oct 21, 2024INII · Walk-around0FS INC 2027643539810/ME
Aug 4, 2024INII · Walk-around0FS INC 20276435393810/ME
Jan 25, 2024NYI · Full2RLE EQUIPMENT INC 2063294PT681J1/PA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RGM TRANSPORT LLC1383666May 21, 2025May 23, 20252PA
FS INC2027643Aug 4, 2024Oct 21, 20242IA
RLE EQUIPMENT INC2063294Jan 25, 2024Jan 25, 20241PA
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.
5393810MERGM TRANSPORT LLCMay 21, 2025May 23, 20252
539810MEFS INCOct 21, 2024Oct 21, 20241
5393810MEFS INCAug 4, 2024Aug 4, 20241
PT681J1PARLE EQUIPMENT INCJan 25, 2024Jan 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026