Equipment unit · VIN-decoded · NHTSA vPIC

2021 X-L Specialized Trailers Inc

4U3J05339ML019793 · Trailer · TRAILER
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections4
of 6
First seenMay 20, 2024
ND
Last seenSep 21, 2026
MN
Inspected under 2 different carriers in 28 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
4U3J05339ML019793
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2021
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
J0533

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
019793

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 · 167 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 167 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.

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 · May 20, 2024 – Sep 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 21, 2026MNI · Full11OOSFLATLAND EXPRESS LTD 1585731TK2113/MB
Mar 11, 2026MTIII · Driver-only0—FLATLAND EXPRESS LTD 1585731TK2113/MB
Jan 14, 2026IAII · Walk-around3OOSFLATLAND EXPRESS LTD 1585731TK2113/MB
Jul 15, 2025SDII · Walk-around7OOSFLATLAND EXPRESS LTD 1585731TK2113/MB
Jun 22, 2025WAII · Walk-around4OOSFLATLAND EXPRESS LTD 1585731TK2113/MB
May 20, 2024NDII · Walk-around0—VM TRANSPORT LTD 686125TF7520/MB
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLATLAND EXPRESS LTD1585731Jun 22, 2025Sep 21, 20265MB
VM TRANSPORT LTD686125May 20, 2024May 20, 20241MB
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.
TK2113MB2FLATLAND EXPRESS LTDJun 22, 2025 → Sep 21, 20265
TF7520MB—VM TRANSPORT LTDMay 20, 2024 → May 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026