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Ryobi 18V ONE+ HP Brushless 20" Self-Propelled Mower Kit

Push / Walk-Behind mower · Model PBLLM05K2 · Residential-duty · Battery

$439 Ryobi list price

Checked 23 Oct 2026 on the Ryobi product page. Tracking since 17 Sep 2026; no change recorded yet.

Manufacturer list price only — it excludes tax, freight, dealer setup and any local discount, and dealers set the final price.

The Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit is a residential-grade battery walk-behind mower, a quiet, low-maintenance choice for smaller yards, with a 20-inch deck and a 18 V battery. It weighs 56.8 lb (25.8 kg).

Also sold as: 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit (Kit (battery & charger included))

At a glance

Power Source

battery

Cutting Width

20 in (508 mm)

Drive Type

Self-Propelled

Weight

57 lbs (25.8 kg)

Compare this mower: Pick another Ryobi push / walk-behind or pick from every push / walk-behind mower or quick compare: vs 18V ONE+ 13 in Push Mower · vs 18V ONE+ 13 in Push Mower Kit · vs 18V ONE+ HP Brushless 16 in Push Mower

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Craftsman V20 Brushless Cordless 20-in Self-Propelled Lawn Mower With (2)…

Deck 20 in (508 mm) · 20 V battery

Max cut height 3.5 in (89 mm) (this model: 4 in (102 mm))Weight 63 lbs (28.6 kg) (this model: 57 lbs (25.8 kg))

Why: Same class: push / walk-behind · Same 20 in deck · Battery powered, like this model · Residential-duty, like this model · 20 V battery (this model: 18 V) · By Craftsman, a different maker
Compare with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit ›
Greenworks 40V 20 in Cordless Battery 4-in-1 Push Lawn Mower

Deck 20 in (508 mm) · 40 V battery

Max cut height 3.6 in (91 mm) (this model: 4 in (102 mm))List price $480 (this model: $439)

Why: Same class: push / walk-behind · Same 20 in deck · Battery powered, like this model · Residential-duty, like this model · 40 V battery (this model: 18 V) · By Greenworks, a different maker
Compare with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit ›
Greenworks 48V (24V x 2) 20 in Cordless Battery Push Mower 3PC Combo Kit

Deck 20 in (508 mm) · 24 V battery

List price $580 (this model: $439)

Why: Same class: push / walk-behind · Same 20 in deck · Battery powered, like this model · Residential-duty, like this model · 24 V battery (this model: 18 V) · By Greenworks, a different maker
Compare with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit ›
Worx NITRO 40V 21 in Self-Propelled Lawn Mower

Deck 20 in (508 mm) · 40 V battery, 5 Ah

Why: Same class: push / walk-behind · Same 20 in deck · Battery powered, like this model · Residential-duty, like this model · 40 V battery (this model: 18 V) · By Worx, a different maker
Compare with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit ›
Worx 56V Cordless 19 in Lawn Mower w/ Caster Wheels (Discontinued)

Deck 20 in (508 mm) · 56 V battery

Why: Same class: push / walk-behind · Same 20 in deck · Battery powered, like this model · Residential-duty, like this model · 56 V battery (this model: 18 V) · By Worx, a different maker
Compare with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit ›

Chosen by stated rules, not opinion: same class, a deck within 2 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.

Engine

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit engine specifications
Power Source	battery
Fuel Type	Battery / Electric

Electrical

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit electrical specifications
Voltage	18 V

Deck

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit deck specifications
Cutting Width	20 in (508 mm)
Min Cut Height	1.5 in (38 mm)
Max Cut Height	4 in (102 mm)
Discharge	Mulching, Bagging, and Side Discharge

Drive

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit drive specifications
Drive Type	Self-Propelled

Dimensions

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit dimensions specifications
Weight	57 lbs (25.8 kg)

General

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit general specifications
Warranty	3 yr

Similar models

Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit.

TB90B Push Lawn Mower Troy-Bilt · 20 in (508 mm)

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RM 453 T Gasoline Lawn Mower STIHL · 20.1 in (511 mm)

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21-in 140cc Gas Push Lawn Mower Craftsman · 21 in (533 mm)

Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ryobitools.ca.

See all Ryobi mowers and specs ›

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Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.

What the specs work out to

Figures MowerFacts computes from Ryobi’s own numbers — not published by the manufacturer.

Gate & trailer fit

32 in gateFits
36 in gateFits
48 in gateFits

Needs at least 26 in of clearance (estimated).

Fit uses the deck width plus 6 in for the discharge chute, because Ryobi doesn't publish an overall width — measure before buying if a gate is tight.

Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit questions

What size deck is on the Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit?

The Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit has a 20-inch (508 mm) cutting deck.

How much does the Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit weigh?

The Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit weighs 57 lb (25.8 kg) as specified by Ryobi.

How much does the Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit cost?

Ryobi's published list price is $439, checked 23 October 2026. That excludes tax, freight, dealer setup and any local discount — dealers set the final price.

What is the Ryobi 18V ONE+ HP Brushless 20 in Self-Propelled Mower Kit built for?

Residential-duty push / walk-behind mower. Built for home-lawn use.

Source: Ryobi (manufacturer) · archived copy