Equipment unit · VIN-decoded · NHTSA vPIC

2021 Utility Trailer Manufacturer

1UYVS2533M7163612 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under3
36 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJun 12, 2023
CA
Last seenJun 11, 2026
CA
Inspected under 3 different carriers in 36 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
1UYVS2533M7163612
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
163612

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
2021

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 2021, 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 · Jun 12, 2023 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026CAI · Full6OOSTOP DREAM LLC 44027854TK4920/CA
Jan 27, 2025CAV · Vehicle-only0HAI LONG TRUCKING INC 23829484TK4920/CA
Nov 11, 2024WAII · Walk-around7OOSHAI LONG TRUCKING INC 23829484TK4920/CA
Dec 22, 2023CAII · Walk-around1HAI LONG TRUCKING INC 23829484TK4920/CA
Dec 12, 2023CAV · Vehicle-only2HAI LONG TRUCKING INC 23829484TK4920/CA
Aug 19, 2023CAII · Walk-around1U&A TRUCKING INC 32620044TK4920/CA
Jun 12, 2023CAII · Walk-around0HAI LONG TRUCKING INC 23829484TK4920/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOP DREAM LLC4402785Jun 11, 2026Jun 11, 20261CA
HAI LONG TRUCKING INC2382948Jun 12, 2023Jan 27, 20255CA
U&A TRUCKING INC3262004Aug 19, 2023Aug 19, 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.
4TK4920CATOP DREAM LLCJun 11, 2026Jun 11, 20261
4TK4920CAHAI LONG TRUCKING INCJun 12, 2023Jan 27, 20255
4TK4920CAU&A TRUCKING INCAug 19, 2023Aug 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026