550ex Series

The Briggs & Stratton 550ex Series™ push mower engine — Powerful, yet economical. Performance and value rolled up into one unbeatable package:

  • 5.5 ft-lbs of gross torque*
  • Equipped with Briggs & Stratton ReadyStart® starting system. No prime and no choke — just pull for power.
  • Smooth handling — up to 30 percent lighter than competing models
  • Quiet cutting with Super Lo-Tone™ muffler
  • Feels better, lasts longer with reduced vibration for greater ease of use and durability
  • Made in the USA of U.S. and global parts


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