Equipment unit · VIN-decoded · NHTSA vPIC

2019 X-L Specialized Trailers Inc

4U3U04028KL018151 · Trailer · TRAILER
Carriers run under1
6 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJan 3, 2026
TX
Last seenJul 29, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4U3U04028KL018151
Make
X-L Specialized Trailers Inc
Model
X-L SPECIALIZED TRAILERS INC
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
U0402

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1989 or 2019

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

North American serial sequence
018151

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 · 5 decoded VINs at 100.0% prefix purity.

Model
X-L SPECIALIZED TRAILERS INC

Prefix basis · 5 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
2019

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 3, 2026 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXII · Walk-around2JAM TRANSPORT CARRIER INC 4193049260C202/TX
Jul 17, 2026TXII · Walk-around1OOSJAM TRANSPORT CARRIER INC 4193049260C202/TX
Jul 9, 2026TXII · Walk-around4OOSJAM TRANSPORT CARRIER INC 4193049260C202/TX
Feb 3, 2026TXI · Full4JAM TRANSPORT CARRIER INC 4193049260C202/TX
Jan 3, 2026TXIII · Driver-only1JAM TRANSPORT CARRIER INC 4193049260C202/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAM TRANSPORT CARRIER INC4193049Jan 3, 2026Jul 29, 20265TX
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.
260C202TX2JAM TRANSPORT CARRIER INCJan 3, 2026Jul 29, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026