Equipment unit · VIN-decoded · NHTSA vPIC

2000 Stairs

1S9LS4639Y1260362 · Trailer · TRAILER
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 28, 2023
NH
Last seenNov 26, 2025
ME
Inspected under 2 different carriers in 26 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
1S9LS4639Y1260362
Make
Stairs
Model
Stairs
Model year
2000
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 30, 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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
LS463

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2000 or 2030

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

North American serial sequence
260362

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
STAIRS

Prefix basis · 33 decoded VINs at 100.0% prefix purity.

Model
Stairs

Prefix basis · 33 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
2000

Observed directly for this VIN via NHTSA vPIC.

Observed make
STAIRS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Stairs

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.

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 28, 2023 – Nov 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 26, 2025MEIII · Driver-only4VARNEY & SONS LOGGING LLC 1760285T655278/NH
Sep 28, 2023NHII · Walk-around2BILL DIRUBBO LOGGING LLC 3229035T655278/NH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VARNEY & SONS LOGGING LLC1760285Nov 26, 2025Nov 26, 20251NH
BILL DIRUBBO LOGGING LLC3229035Sep 28, 2023Sep 28, 20231NH
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.
T655278NHVARNEY & SONS LOGGING LLCNov 26, 2025Nov 26, 20251
T655278NHBILL DIRUBBO LOGGING LLCSep 28, 2023Sep 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 30, 2026