Equipment unit · VIN-decoded · NHTSA vPIC

2019 Utility Trailer Manufacturer

1UYVS2531K3537025 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under4
29 mo
Inspections8
all-time
OOS inspections0
of 8
First seenDec 30, 2023
CA
Last seenMay 7, 2026
CA
Inspected under 4 different carriers in 29 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
1UYVS2531K3537025
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1UY

Deterministic · VIN positions 1–3.

Vehicle descriptor section
VS253

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
537025

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
UTILITY TRAILER MANUFACTURER

Prefix basis · 107,512 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 107,512 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
UTILITY TRAILER MANUFACTURER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Utility Trailer Manufacturer

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.

VIN-level rule claims

Rules published for individual VIN positions beyond the prefix — applied with the WMI, prefix, and model-year guards each rule was validated under. Year-scoped rules were checked against model year 2019, established by the federal observation agreeing with a position-10 candidate.

Axle configuration
2 axles

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Body family
Van

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Trailer length
53 ft

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

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 30, 2023 – May 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 7, 2026CAI · Full1SLDD LOGISTICS INC 42755744XD8679/CA
Jan 5, 2026CAII · Walk-around0YUHAN LOGISTICS INC 36942084XD8679/CA
Mar 12, 2025NMII · Walk-around0WZJ TRANSPORTATION INC 40947674WK6958/CA
Jan 17, 2025TNI · Full2WZJ TRANSPORTATION INC 40947674WK6958/CA
Jul 28, 2024LAIII · Driver-only1WZJ TRANSPORTATION INC 40947675268508/ME
Jul 27, 2024NMII · Walk-around0WZJ TRANSPORTATION INC 40947675268508/ME
Jan 22, 2024OHIII · Driver-only1WZJ TRANSPORTATION INC 40947675288508/ME
Dec 30, 2023CAIII · Driver-only1X&D EXPRESS INC 35239955268508/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SLDD LOGISTICS INC4275574May 7, 2026May 7, 20261CA
YUHAN LOGISTICS INC3694208Jan 5, 2026Jan 5, 20261CA
WZJ TRANSPORTATION INC4094767Jan 22, 2024Mar 12, 20255CA
X&D EXPRESS INC3523995Dec 30, 2023Dec 30, 20231CA
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.
4XD8679CASLDD LOGISTICS INCMay 7, 2026May 7, 20261
4XD8679CAYUHAN LOGISTICS INCJan 5, 2026Jan 5, 20261
4WK6958CAWZJ TRANSPORTATION INCJan 17, 2025Mar 12, 20252
5268508MEWZJ TRANSPORTATION INCJul 27, 2024Jul 28, 20242
5288508MEWZJ TRANSPORTATION INCJan 22, 2024Jan 22, 20241
5268508MEX&D EXPRESS INCDec 30, 2023Dec 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026