Equipment unit · VIN-decoded · NHTSA vPIC

2025 Alloy Alloy Trailers

1ALSF0289SS951233 · Trailer · TRAILER
Carriers run under1
17 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 14, 2023
CA
Last seenDec 11, 2024
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1ALSF0289SS951233
Make
Alloy
Model
Alloy Trailers
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1AL

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SF028

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1995 or 2025

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

North American serial sequence
951233

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
ALLOY

Prefix basis · 34 decoded VINs at 100.0% prefix purity.

Model
Alloy Trailers

Prefix basis · 34 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
ALLOY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Alloy Trailers

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
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

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 · Jul 14, 2023 – Dec 11, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 11, 2024CAI · Full1RS TRANSPORT LLC 33779724FP4590/CA
Nov 25, 2024CAII · Walk-around4RS TRANSPORT LLC 33779724FP4590/CA
Sep 11, 2024CAIII · Driver-only1OOSRS TRANSPORT LLC 33779724FP4590/CA
Jul 27, 2023CAI · Full3OOSRS TRANSPORT LLC 33779724FP4590/CA
Jul 14, 2023CAIII · Driver-only2RS TRANSPORT LLC 33779724FP4590/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RS TRANSPORT LLC3377972Jul 14, 2023Dec 11, 20245CA
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.
4FP4590CARS TRANSPORT LLCJul 14, 2023Dec 11, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026