Equipment unit · VIN-decoded · NHTSA vPIC

2005 Utility Trailer Manufacturer

1UYFS24245A400402 · Trailer · TRAILER
Axles · 2 axlesBody · Flat
Carriers run under2
22 mo
Inspections11
all-time
OOS inspections3
of 11
First seenSep 25, 2023
CA
Last seenJul 23, 2025
CA
Inspected under 2 different carriers in 22 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
1UYFS24245A400402
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2005
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
FS242

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2005 or 2035

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

North American serial sequence
400402

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 · 64 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 64 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
2005

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 2005, 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
Flat

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 25, 2023 – Jul 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2025CAI · Full5OOSBIG MOUNTAIN XPRESS INC 41065174DY4930/CA
May 5, 2025CAIII · Driver-only1OOSALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Feb 21, 2025CAI · Full2OOSALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Dec 11, 2024CAIII · Driver-only0ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Nov 20, 2024CAII · Walk-around2ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
May 24, 2024CAII · Walk-around1ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Mar 5, 2024CAI · Full0ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Dec 1, 2023CAIII · Driver-only0ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Nov 15, 2023CAII · Walk-around1ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Nov 15, 2023CAIII · Driver-only0ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
Sep 25, 2023CAI · Full2ALVAREZ XTREME TRANSPORT INC 27637414DY4930/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG MOUNTAIN XPRESS INC4106517Jul 23, 2025Jul 23, 20251CA
ALVAREZ XTREME TRANSPORT INC2763741Sep 25, 2023May 5, 202510CA
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.
4DY4930CABIG MOUNTAIN XPRESS INCJul 23, 2025Jul 23, 20251
4DY4930CAALVAREZ XTREME TRANSPORT INCSep 25, 2023May 5, 202510
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026