Equipment unit · VIN-decoded · NHTSA vPIC

2012 Utility Trailer Manufacturer

1UYVS2533CU321141 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under2
34 mo
Inspections7
all-time
OOS inspections2
of 7
First seenAug 22, 2023
NV
Last seenJun 8, 2026
IN
Inspected under 2 different carriers in 34 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
1UYVS2533CU321141
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2012
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
1982 or 2012

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

North American serial sequence
321141

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
2012

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 2012, 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 · Aug 22, 2023 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026INIII · Driver-only2OOSHAMMER TRANSPORTATION LLC 5340615130575/ME
Jun 8, 2026INIII · Driver-only2OOSHAMMER TRANSPORTATION LLC 5340615130575/ME
May 6, 2025CAIII · Driver-only0ALPINE TRANSPORT INC 18757875130575/ME
Apr 1, 2025CAIII · Driver-only0ALPINE TRANSPORT INC 18757875130575/ME
Feb 19, 2025CAIII · Driver-only1ALPINE TRANSPORT INC 18757875130575/ME
Mar 25, 2024CAIII · Driver-only0ALPINE TRANSPORT INC 18757875130575/ME
Aug 22, 2023NVIII · Driver-only3ALPINE TRANSPORT INC 18757875130575/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAMMER TRANSPORTATION LLC534061Jun 8, 2026Jun 8, 20262MO
ALPINE TRANSPORT INC1875787Aug 22, 2023May 6, 20255CA
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.
5130575MEHAMMER TRANSPORTATION LLCJun 8, 2026Jun 8, 20262
5130575MEALPINE TRANSPORT INCAug 22, 2023May 6, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026