Equipment unit · VIN-decoded · NHTSA vPIC

2016 Utility Trailer Manufacturer

1UYVS2537GG523615 · Trailer · TRAILER
Axles · 2 axlesBody · VanLength · 53 ft
Carriers run under6
19 mo
Inspections10
all-time
OOS inspections4
of 10
First seenSep 5, 2024
AZ
Last seenApr 1, 2026
CA
Inspected under 6 different carriers in 19 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
1UYVS2537GG523615
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1986 or 2016

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

North American serial sequence
523615

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
2016

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 2016, 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 · Sep 5, 2024 – Apr 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2026CAII · Walk-around0R & R TRANSPORT SERVICES INC 606156560303ST/IL
Dec 24, 2025CAIII · Driver-only0R & R TRANSPORT SERVICES INC 606156560303ST/IL
Nov 20, 2025CAI · Full5OOSHINZA BROS LLC 3493260510303ST/IL
Oct 26, 2025COIII · Driver-only1CALI DIAZ TRUCKING INC 4237970560303ST/IL
Oct 23, 2025COII · Walk-around0CALI DIAZ TRUCKING INC 4237970560303ST/TN
Jul 23, 2025CAII · Walk-around1OOSVV FREIGHTWAYS 4091994560303/IL
Feb 6, 2025CAII · Walk-around2R & R TRANSPORT SERVICES INC 606156560303/ME
Dec 5, 2024UTIII · Driver-only2OOSR & R TRANSPORT SERVICES INC 606156560303ST/IL
Oct 3, 2024UTI · Full15FLETES TRANSPORT LLC 4203302560303ST/IL
Sep 5, 2024AZII · Walk-around8OOSDOLLY TUB 501 TRUCK LINE INC 3846375560303ST/IL
03

Carriers this unit has run under

6 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R & R TRANSPORT SERVICES INC606156Dec 5, 2024Apr 1, 20264CA
HINZA BROS LLC3493260Nov 20, 2025Nov 20, 20251CA
CALI DIAZ TRUCKING INC4237970Oct 23, 2025Oct 26, 20252CA
VV FREIGHTWAYS4091994Jul 23, 2025Jul 23, 20251CA
FLETES TRANSPORT LLC4203302Oct 3, 2024Oct 3, 20241CA
DOLLY TUB 501 TRUCK LINE INC3846375Sep 5, 2024Sep 5, 20241CA
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.
560303STILR & R TRANSPORT SERVICES INCDec 5, 2024Apr 1, 20263
510303STILHINZA BROS LLCNov 20, 2025Nov 20, 20251
560303STILCALI DIAZ TRUCKING INCOct 26, 2025Oct 26, 20251
560303STTNCALI DIAZ TRUCKING INCOct 23, 2025Oct 23, 20251
560303ILVV FREIGHTWAYSJul 23, 2025Jul 23, 20251
560303MER & R TRANSPORT SERVICES INCFeb 6, 2025Feb 6, 20251
560303STILFLETES TRANSPORT LLCOct 3, 2024Oct 3, 20241
560303STILDOLLY TUB 501 TRUCK LINE INCSep 5, 2024Sep 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026