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Briggs & Stratton 13.5 HP INTEK ™ Model Series 21B900

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Briggs & Stratton Small Engines

  • Displacement 21 cu. in. (344.1 cc)

  • Bore 3.44 in. (87.7 mm)

  • Stroke 2.27 in. (57.7 mm)

  • Oil Capacity 56 fl. oz. (1.7 L)

Briggs & Stratton 21B900 Series Engine


  • Dura-Bore ™ cast iron cylinder sleeve for extended life

  • Float carburetor for consistent easy starting

  • Maintenance-free Magnetron ® electronic ignition for quick, dependable starts

  • Dual-Clean ™ air cleaner pleated paper filter with a foam pre-cleaner ensures maximum protection for extended engine life

  • Overhead valve design (OHV) for cooler operation and longer valve life

  • Buyer protection package provides two-year consumer engine warranty.

  • Patented linear balancing system provides smoother performance

21B900 Series Line Drawing
21B900 Series Line Drawing mounting
21B900 Series Line Drawing
21B900 Series Line Drawing engines
21B900 Series Line Drawing power curve



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