Equipment unit · VIN-decoded · NHTSA vPIC

2019 Utility Trailer Manufacturer

1UYVS2531K2511529 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under4
15 mo
Inspections4
all-time
OOS inspections0
of 4
First seenNov 24, 2024
AR
Last seenFeb 22, 2026
CA
Inspected under 4 different carriers in 15 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
1UYVS2531K2511529
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 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
511529

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 · Nov 24, 2024 – Feb 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 22, 2026CAIII · Driver-only1MAAN TRUCK LINE INC 43056846PC440/ON
Jul 27, 2025IDI · Full6CAMBRIDGE TRANSPORTATION INC 43173296PC440/ON
Jul 23, 2025AZII · Walk-around2RIG LOGISTICS INC 17044366PC440/AB
Nov 24, 2024ARIII · Driver-only1NSK ENTERPRISES LTD 41242716PC440/AB
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAAN TRUCK LINE INC4305684Feb 22, 2026Feb 22, 20261CA
CAMBRIDGE TRANSPORTATION INC4317329Jul 27, 2025Jul 27, 20251AB
RIG LOGISTICS INC1704436Jul 23, 2025Jul 23, 20251AB
NSK ENTERPRISES LTD4124271Nov 24, 2024Nov 24, 20241BC
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.
6PC440ONMAAN TRUCK LINE INCFeb 22, 2026Feb 22, 20261
6PC440ONCAMBRIDGE TRANSPORTATION INCJul 27, 2025Jul 27, 20251
6PC440ABRIG LOGISTICS INCJul 23, 2025Jul 23, 20251
6PC440ABNSK ENTERPRISES LTDNov 24, 2024Nov 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026