2019 MM 55 C-E STIHL YARD BOSS® Stihl

The same powerful multi-tasking tool as the MM 55, but enhanced with STIHL Easy2Start™ technology for nearly effortless starting. 


The MM 55 C-E STIHL YARD BOSS® is the ultimate lawn care system. It comes standard as a cultivator and easily transitions to a trimmer, lawn aerator, bed edger, power sweeper and more with optional attachments. With this multi-tasking tool, you never know where the day will take you. But thanks to the STIHL Easy2Start™ system, you'll always know how the day will start - quickly and easily. Just give the cord a gentle pull and you're ready to take charge of your landscape. When the job is done, the STIHL YARD BOSS® folds down for convenient storage and transport.


Engine Displacement: 1.66 cu. in. (27.2 cc)

Engine Type: Gas

Horsepower: 1.07 bhp (0.8 kW)

Weight: 21.6 lb. (9.8 kg)

Fuel Capacity: 11.2 oz. (330 cc)

2019 MM 55 C-E STIHL YARD BOSS® Stihl

  • Built in the USA: Indicates products that are built in the United States from domestic and foreign parts and components.
  • Compact Design: The folding handles and front hand grip make the YARD BOSS® compact and easy to transport and store.: See it in action!
  • STIHL Easy2Start™: The STIHL Easy2Start™ system makes starting STIHL outdoor power tools almost effortless, eliminating the need for a strong pull of the starting cord. This advanced starting system is designed to make starting STIHL products fast and easy. The specific system may vary by model, but in each case, a quick pull overcomes the engine's compression to minimize the strength and effort required to start. Available on selected products.
  • Multi-Function Control Handle: Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator's hand never has to leave the handle.
  • Multi-Tasking Tool: Switch between any of the eight YARD BOSS® optional attachments quickly.: See it in action!
  • Protected Spark Plug Cover: The spark plug cap is integrated in the equipment's housing, so the spark plug remains protected while still being easy to change.
  • Purge Pump Primer: A small fuel pump delivers fuel to the carburetor when pushed, reducing the number of starting strokes required following extended breaks in operation.
  • Compact Design: The folding handles and front hand grip make the YARD BOSS® compact and easy to transport and store.: See it in action!
  • STIHL Easy2Start™: The STIHL Easy2Start™ system makes starting STIHL outdoor power tools almost effortless, eliminating the need for a strong pull of the starting cord. This advanced starting system is designed to make starting STIHL products fast and easy. The specific system may vary by model, but in each case, a quick pull overcomes the engine's compression to minimize the strength and effort required to start. Available on selected products.
  • Multi-Tasking Tool: Switch between any of the eight YARD BOSS® optional attachments quickly.

2019 MM 55 C-E STIHL YARD BOSS® Stihl

  • Displacement: 27.2 cc (1.66 cu. in.)
  • Engine Power: 0.8 kW (1.07 bhp)
  • Weight: 9.8 kg (21.6 lb.)
  • Fuel Capacity: 330 cc (11.2 oz.)
  • Tine Speed: 200 rpm
  • Cultivating Width: 8.5"
  • Pick Tine Diameter: 9.1"
  • Power Source: Gas

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