Your online source for Replacement Small Engines, Tools & Parts

Briggs & Stratton Engine Specifications
Note: When printing this page change your page orientation to "Landscape"

Search Our Site

Contact Us
Shipping Policies
Warranty Information













31 HP VANGUARD ™ Model Series 543400

Briggs & Stratton Small Engines

Displacement 54 cu. in. (895 cc)

Bore 3.366 in. (85.5 mm)

Stroke 3.071 in. (78 mm)

Oil Capacity:
71 fl. oz. (2.1 L) w/o filter
79 fl. oz. (2.3 L) with filter


  • Cast iron sleeve assures longer engine life and improved oil control
  • Advanced Debris Management System allows the engine to run cleaner and cooler, which enhances durability and performance.
  • Foam pre-cleaner traps large debris before it can clog the filter element and rob the engine of needed air
  • Industrial grade solenoid shift starter assures quick, reliable starts.
  • Full-pressure oil lubrication system with spin-on filter works to keep oil cleaner, which reduces maintenance and extends engine life.




    All trademarks and registered trademarks are the property of their respective owners.

      Please email comments about this website to