Equipment unit · VIN-decoded · NHTSA vPIC

2024 X-L Specialized Trailers Inc

4U3J0533XRL022757 · Trailer · TRAILER
Carriers run under2
26 mo
Inspections15
all-time
OOS inspections3
of 15
First seenDec 7, 2023
MT
Last seenFeb 6, 2026
WA
Inspected under 2 different carriers in 26 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
4U3J0533XRL022757
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2024
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
J0533

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1994 or 2024

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

North American serial sequence
022757

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.

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
2024

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 · Dec 7, 2023 – Feb 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 6, 2026WAII · Walk-around0KING BROS INC 1439452Z524698/UT
Jan 13, 2026WAII · Walk-around2OOSKING BROS INC 1439452Z524415/UT
Sep 22, 2025MTIII · Driver-only0KING BROS INC 1439452Z524698/UT
Sep 20, 2025SDII · Walk-around1OOSKING BROS INC 1439452Z524698/UT
Sep 10, 2025WYII · Walk-around0KING BROS INC 1439452Z524698/UT
Jul 15, 2025CAII · Walk-around1KING BROS INC 1439452Z524698/UT
May 29, 2025CAII · Walk-around1KING BROS INC 1439452Z524698/UT
May 8, 2025MTII · Walk-around1KING BROS INC 1439452Z524698/UT
Nov 20, 2024SDIII · Driver-only0TRUCKWISE INC 2880036Z524698/UT
Sep 10, 2024AZIII · Driver-only1TRUCKWISE INC 2880036Z524698/UT
Sep 7, 2024MTII · Walk-around1OOSTRUCKWISE INC 2880036Z524698/UT
Jun 4, 2024IDIII · Driver-only2TRUCKWISE INC 2880036Z524698/UT
Apr 2, 2024WYII · Walk-around0TRUCKWISE INC 2880036Z524698/UT
Jan 22, 2024WAII · Walk-around1TRUCKWISE INC 2880036Z524698/UT
Dec 7, 2023MTII · Walk-around2TRUCKWISE INC 2880036Z524698/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KING BROS INC1439452May 8, 2025Feb 6, 20268IA
TRUCKWISE INC2880036Dec 7, 2023Nov 20, 20247UT
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.
Z524698UTKING BROS INCMay 8, 2025Feb 6, 20267
Z524415UTKING BROS INCJan 13, 2026Jan 13, 20261
Z524698UTTRUCKWISE INCDec 7, 2023Nov 20, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026