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Ryobi P440 Orbital Sander

Ryobi P440 Orbital Sander

By Ryobi · Orbital Sanders · Power Tools · More from Ryobi

  • 12,000 RPM sanding speed
  • 1/4 sheet (quarter-sheet) design using standard sandpaper
  • Lock-on switch for continuous operation
  • Onboard dust collection bag plus vacuum adaptor port (adaptor not included)

Lowest price seen
$34.99
from $34.99 at Direct Tools Factory Outlet · Checked Oct 19, 2026

New
Used, refurbished, open-box

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Problems, parts and running costs

Summary

The Ryobi P440 is a discontinued 18V ONE+ cordless 1/4-sheet finishing sander sold as a bare tool, so it mainly makes sense if you already own Ryobi 18V batteries. Before you buy, check the price against the newer PCL401B, which Ryobi lists at $59.00 tool-only.

Strengths

  • Runs on any Ryobi 18V ONE+ battery, so ONE+ owners can use packs they already have.
  • 12,000 RPM no-load with orbital action and a 1/16 in orbit suits finish work.
  • Onboard dust bag plus a vacuum port for shop-vacuum extraction.
  • Lock-on switch for longer passes.
  • 3-year limited warranty with proof of purchase.
  • The repair sheet documents a full parts list with part numbers — rare support for a discontinued budget sander.

Weaknesses

  • Discontinued on Ryobi’s US site; new units are old stock and the current successor is a different model.
  • Bare tool only: the battery and charger cost extra if you are not already on ONE+.
  • The vacuum adaptor is not included, so shop-vacuum dust collection needs a separate purchase.
  • No independent instrumented test exists, and owner feedback amounts to a single video review.
  • Dimensions and weight are published nowhere in the manual or repair sheet.

Verified specifications

ModelP440, printed on a label attached to the housing.
Battery systemRyobi 18V ONE+; bare tool, battery and charger sold separately.
Orbit1/16 in (1.6 mm) diameter with orbital action.
Paper1/4 sheet (quarter sheet), non-adhesive, held by clamps; a paper punch for dust-extraction holes is included.
Switchlock-on.
Dust collectiononboard dust bag plus a vacuum port; the vacuum adaptor is not included.
Warranty3-year limited warranty, proof of purchase required.
Included sandpaper3 sheets per the repair sheet (120/180/220 grit in Rev:01, 80/120/220 grit in Rev:02); one retailer listing says 4 medium-grit pads, so the count is inconsistent.
Included accessoriesdust bag assembly, paper punch, two paper clamps; the hose adaptor is listed as optional.
Dimensions and weightnot stated in the operator’s manual or the repair sheet.
Full research notes and sources

Dust collection and paper

The P440 takes standard quarter-sheet sandpaper — no adhesive backing needed — held by two clamps, and the included paper punch perforates the sheet so dust can pull through the pad. An onboard dust bag handles light work, and a vacuum port accepts a shop vacuum, but the adaptor itself is not in the box. The manual also advises removing the sandpaper shortly after use so the adhesive does not harden on the pad.

Repairs, parts and running costs

Repairability is above average for a discontinued cordless sander: the repair sheet lists every assembly with part numbers — housing, motor and switch assembly, fan, fan guide, ball bearing (6601 2RS CW), actuator, retaining plate, post cushion, paper clamp, paper punch, plate-with-cushion assembly, platen assembly, dust bag assembly, optional hose adaptor, labels and screws. The sheet exists in two revisions (Rev:01 dated 12-19-16, Rev:02 dated 1-19-17) that differ only in the included sandpaper grits; no mechanical revision is documented.

Maintenance is basic: clean with cloths, keep solvents off the plastic, never cover the ventilation openings (the manual warns of motor overheating), and use only identical replacement parts. Running costs are quarter-sheet sandpaper in 80/120/180/220 grit, replacement dust bags, and platen or paper-clamp parts from the repair sheet. The battery and charger are a separate cost if you do not already own ONE+ packs.

Owner feedback

Evidence here is thin. An affiliate roundup at johnharvards.com covers the P440 among Ryobi 1/4-sheet sanders and repeats the listing features — rubberized hex grip, removable dust bag, vacuum port, lock-on switch. No P440-specific complaint thread was found; r/ryobi threads about sanders cover the P411 random-orbit sander, not the P440.

Is it worth it?

Value depends on the price you actually pay, which is the problem: the P440 is discontinued and its price could not be verified from the sources checked. At a low used or old-stock price it is a reasonable finish sander for light-to-medium work, given the 12,000 RPM rating, orbital action, dust bag, vacuum port and 3-year warranty. Paying more than $59 for a used P440 means paying a premium over the newer PCL401B, which Ryobi lists at $59.00 tool-only with a higher 14,000 OPM no-load speed. For shop-bound work the corded S652DGK lists at $49.00 at Home Depot. If you do not already own ONE+ batteries, the PCL401K1 kit lists at $116.99-$124.00 from Ryobi and Direct Tools Outlet, which erodes the advantage.

Which model this is

This page covers the Ryobi P440 One+ 18V 12,000 RPM 1/4 sheet palm sander with onboard dust bag — the bare-tool listing is ASIN B06Y8QWVVJ. The operator’s manual is part number 961152682 (28 pages, English/French/Spanish). Ryobi’s US site no longer lists the P440; the current cordless 1/4-sheet successor is the PCL401B (14,000 OPM, tool only) and the corded equivalent is the S652DGK (2 A, 14,000 OPM). Those are different, newer models — don’t conflate them with the P440.

Sources

Manufacturer:

Independent reviews:

  • No independent instrumented test of the P440 was found from established tool-test outlets.

Owner reports:

Current models and prices:

Roundups:

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