Equipment unit · VIN-decoded · NHTSA vPIC

2018 Reliance Trailer Sales

1R9FA5283JS704136 · TRAILER
Carriers run under2
25 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJan 26, 2024
CA
Last seenFeb 9, 2026
CA
Inspected under 2 different carriers in 25 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
1R9FA5283JS704136
Make
Reliance Trailer Sales
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
1R9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FA528

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

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

North American serial sequence
704136

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
RELIANCE TRAILER SALES

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 26, 2024 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026CAI · Full2OOSSANDAIR CORPORATION 4937504RL8412/CA
Jan 6, 2026CAII · Walk-around2ASTA CONSTRUCTION CO INC 2161034RL8412/CA
Jan 26, 2024CAII · Walk-around0ASTA CONSTRUCTION CO INC 2161034RL8412/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANDAIR CORPORATION493750Feb 9, 2026Feb 9, 20261CA
ASTA CONSTRUCTION CO INC216103Jan 26, 2024Jan 6, 20262CA
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.
4RL8412CASANDAIR CORPORATIONFeb 9, 2026Feb 9, 20261
4RL8412CAASTA CONSTRUCTION CO INCJan 26, 2024Jan 6, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026