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A neutral, side-by-side reference of each model's stated specifications. MowerFacts does not rank one model above another — read the values and decide what fits your needs.

Best suited for

What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.

  • Ryobi 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit — residential: typical home lawns; 20-inch deck; battery (no fuel or engine maintenance)
  • Ryobi 18V ONE+ HP Brushless 16 in Push Mower — residential: typical home lawns; 16-inch deck; battery (no fuel or engine maintenance)
Side-by-side specifications: Ryobi 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit vs Ryobi 18V ONE+ HP Brushless 16 in Push Mower
Spec 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit
Ryobi · Push / Walk-Behind
18V ONE+ HP Brushless 16 in Push Mower
Ryobi · Push / Walk-Behind
Engine
Power Source battery battery
Fuel Type Battery / Electric Battery / Electric
Electrical
Voltage 40 V 18 V
Deck
Cutting Width 20 in (508 mm) 16 in (406 mm)
Min Cut Height 1.5 in (38 mm) 1.5 in (38 mm)
Max Cut Height 4 in (102 mm) 4 in (102 mm)
Deck Material ABS Plastic
Discharge Mulching, Bagging, and Side Discharge Mulching and Bagging
Drive
Drive Type Self-Propelled Push
Dimensions
Weight 56 lbs (25.4 kg) 34 lbs (15.6 kg)
General
Warranty 5 yr 3 yr

40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ryobitools.com.

18V ONE+ HP Brushless 16 in Push Mower: 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.