This is the Briggs & Stratton Vanguard 23 HP 627cc Vertical Shaft Engine 38E347-0109-G1.

Briggs & Stratton Engines are engineered to provide reliable and efficient power for a wide range of outdoor applications.

These engines are built with high-quality materials and advanced engineering to ensure long-lasting performance, dependability, and durability.

Features:

• Dura-Bore cast iron cylinder sleeve for extended life
  
• Dependable float feed type carburetor with integral fuel pump for remote mount fuel tank
  
• Dual-Clean air cleaner pleated paper filter with a foam pre-cleaner ensures maximum protection for extended engine life
  
• Full pressure lubrication with spin-on oil filter assures controlled lubrication for extended component life
  
• Overhead valve design (OHV) for cooler operation and longer valve life
  
• Buyer protection package provides three-year limited commercial engine warranty