2025 Briggs & Stratton Push Mower EX Series Engines EX550

Information

2025 Briggs & Stratton Push Mower EX Series Engines EX550

EX Series Engines

Power and performance made easy.

With more power levels and two Briggs & Stratton innovations, our EX Series push mower engines are both easier to start and easier to maintain. There’s no need to prime or choke; just pull the rope or turn the key to get started. Special engineering allows these engines to run their full life without ever needing an oil change. No hassle, no mess. Just easy.

  • No oil changes needed – just add oil as needed and go with Just Check & Add™.
  • Easy, one-step starting with ReadyStart®.
  • Made in the USA of US and global parts.

Features may include:

Made in the USA

  • Made in the USA of US and global parts

ReadyStart® Starting Technology

  • No prime, no choke; just pull for power.

Super Lo-Tone™ Engine Muffler

  • A quieter lawn mowing experience.

Tool-less Air Cleaner Cover

  • Easy access for filter changes.

Photos

Highlights

  • Decatur, Alabama
  • 2025
  • Briggs & Stratton
  • Push Mower EX Series Engines EX550
  • Gasoline
  • Available
  • 12.2 in
  • 9.6 in

Specifications

  • 2025
  • Briggs & Stratton
  • Push Mower EX Series Engines
  • EX550
  • Lawn Mower
  • 5.5 ft-lbs, gross
  • 140 cc
  • Single
  • 2.50 in
  • 1.75 in
  • Dura-Lube Splash Lubrication
  • ReadyStart® Starting System
  • Dual-Sealing Paper
  • Gasoline
  • 13.8 in
  • 12.2 in
  • 9.6 in
  • Tank: 0.2 gal
  • 15 oz
  • 17 lbs
  • Engine Configuration: Vertical Shaft | Muffler: Super Lo-Tone™