Equipment unit · VIN-decoded · NHTSA vPIC

2025 Utility trailer manufacturer Utility Trailer Manufacturer

1UYVS2531S3341232 · Trailer · TRAILER
Carriers run under4
15 mo
Inspections5
all-time
OOS inspections0
of 5
First seenDec 4, 2024
CA
Last seenMar 11, 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
1UYVS2531S3341232
Make
Utility trailer manufacturer
Model
Utility Trailer Manufacturer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 4, 2024 – Mar 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2026CAIII · Driver-only0—CALI DIAZ TRUCKING INC 4237970C404807/ME
Dec 3, 2025AZII · Walk-around1—R & R TRANSPORT SERVICES INC 606156C404807/ME
Aug 23, 2025CAII · Walk-around2—R & R TRANSPORT SERVICES INC 606156C404807/ME
Mar 12, 2025CAII · Walk-around3—ALFREDO AGUIRRE 2848846C404807/ME
Dec 4, 2024CAI · Full3—NARUSSO TRANSPORTATION INC 2032042C404807/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CALI DIAZ TRUCKING INC4237970Mar 11, 2026Mar 11, 20261CA
R & R TRANSPORT SERVICES INC606156Aug 23, 2025Dec 3, 20252CA
ALFREDO AGUIRRE2848846Mar 12, 2025Mar 12, 20251CA
NARUSSO TRANSPORTATION INC2032042Dec 4, 2024Dec 4, 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.
C404807ME—CALI DIAZ TRUCKING INCMar 11, 2026 → Mar 11, 20261
C404807ME—R & R TRANSPORT SERVICES INCAug 23, 2025 → Dec 3, 20252
C404807ME—ALFREDO AGUIRREMar 12, 2025 → Mar 12, 20251
C404807ME—NARUSSO TRANSPORTATION INCDec 4, 2024 → Dec 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026