Equipment unit · VIN-decoded · NHTSA vPIC

2014 X-L Specialized Trailers Inc

4U3B0533XEL013121 · Trailer · TRAILER
Carriers run under1
18 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMar 5, 2024
MI
Last seenSep 18, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4U3B0533XEL013121
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
B0533

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1984 or 2014

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

North American serial sequence
013121

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 · 20 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 20 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
2014

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 · Mar 5, 2024 – Sep 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 18, 2025AZIII · Driver-only0TRANS-UNITED INC 70750SP350QRT/IN
Aug 25, 2025AZIII · Driver-only0TRANS-UNITED INC 70750SP350QRT/IN
Sep 17, 2024MIII · Walk-around3TRANS-UNITED INC 70750SP350QRT/IN
Mar 5, 2024MIIII · Driver-only1TRANS-UNITED INC 70750SP174LLL/IN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANS-UNITED INC70750Mar 5, 2024Sep 18, 20254IN
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.
SP350QRTINTRANS-UNITED INCSep 17, 2024Sep 18, 20253
SP174LLLINTRANS-UNITED INCMar 5, 2024Mar 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026