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Product Summary

Briggs & Stratton 5.5 HP Quantum Diamond Vertical Engine. Quantum Diamond engines are designed with performance and dependability in mind. Known for easy starting and power, Quantum Diamond engines also have larger muffler for quiet operation. Prime'N Pull easy starting system delivers the right amount of fuel to the carburetor for consistent one-pull starts. Large rewind starter reduces pulling effort for easy starting. Magnetron Electronic Ignition System ensures dependable starts with no maintenance required. Composite camshaft & aluminized lo-tone muffler results in a corrosion-resistant, quiet running engine. Mechanical governor controls the throttle to deliver more power for heavy mowing conditions. Mechanical compression release provides smooth, easy starts and ensures engine reaches maximum power instantly. Lubrication system is gear-driven to continuously supply oil to all internal engine parts for extra protection and long life. Not for sale in California. Customers are responsible for checking local codes and regulations prior to purchase.

Features + Benefits

  • Briggs 5.5 HP Quantum Diamond vertical engine
  • Vertical Shaft: 7/8in. x 3 5/32in.
  • 3/16in. keyway with 2 woodruff keys
  • Rotation: CCW
  • Recoil Start
  • 3100 RPM
  • Displacement: 11.57 cu. in.
  • Stroke: 2.04in.
  • Bore: 2.69in.
  • Fuel Tank Capacity: 1.6-qt.
  • Oil Capacity: 20-oz.
  • Dura-Bore™ cast iron cylinder
  • Maintenance-free Magnetron electronic ignition
  • Dual element air cleaner
  • Float carburetor for easy, consistent starting
  • Replacement engine for walk mowers
  • Muffler and exhaust manifold included
  • Base Mounting Dimension: 8in.
  • Dimensions: 12in.L x 12in.W x 10in.H (without crankshaft)

Key Specs

AttributeSpecification

item#

70504

Brand

Briggs & Stratton
AttributeSpecification

Manufacturer's Warranty

24 months parts / 24 months labor

Ship Weight

28.6 LB

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Warranty

Manufacturer's Warranty

24 months parts / 24 months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.