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Ryobi 40V HP Brushless 21" Self-Propelled All-Wheel Drive Multi-Blade Mower Kit

Push / Walk-Behind mower · Model RY40HPLM03K2 · Residential-duty · Battery

The Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… is a residential-grade battery walk-behind mower, a quiet, low-maintenance choice for smaller yards, with a 21-inch deck and a 40 V battery. It weighs 78.7 lb (35.7 kg).

At a glance

Power Source
battery
Cutting Width
21 in (533 mm)
Drive Type
All-Wheel Drive
Weight
79 lbs (35.7 kg)

Engine

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… engine specifications
Power Sourcebattery
Fuel TypeBattery / Electric

Electrical

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… electrical specifications
Voltage40 V

Deck

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… deck specifications
Cutting Width21 in (533 mm)
Min Cut Height1 in (25 mm)
Max Cut Height4 in (102 mm)
DischargeMulching, Bagging, and Side Discharge

Drive

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… drive specifications
Drive TypeAll-Wheel Drive

Dimensions

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… dimensions specifications
Weight79 lbs (35.7 kg)

General

Ryobi 40V HP Brushless 21 in Self-Propelled All-Wheel Drive… general specifications
Bagger Capacity2 bu (70.5 L)
Warranty5 yr

Similar models

Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the 40V HP Brushless 21 in Self-Propelled All-Wheel Drive….

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

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

Source: Ryobi (manufacturer) · archived copy