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Briggs & Stratton 25M137-0019-F1 Professional Snow Series™ 21.0 GT 420cc Horizontal Shaft Engine

MPN: BS25M137-0019-F1

$936.25
Find Parts for this Engine

This genuine 420cc Briggs and Stratton single cylinder engines are specially designed to provide more power for quick and easy removal of all types of snow. With a power rating of 21 ft lbs of gross torque, this engine features a recoil starter plus a 110 volt electric starter and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 2 years consumer use / 90 days commercial use, Briggs and Stratton provides power that you can trust. This engine includes an installed muffler and a fuel tank Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.

  • Qualified to start down to -20 degrees F
  • Oversized controls for easy starting and operation while wearing gloves or mittens
  • Electric start option eliminates the need to pull a rope
  • Aluminized or coated mufflers resist corrosion for longer life and provide quiet operations
  • Electric start option eliminates the need to pull a rope
  • Replacement engines are very specific to your current model number. Please contact us or the manufacturer for the correct replacement for your original engine.

SHIPS VIA MOTOR FREIGHT: Carrier will contact you once shipped to arrange a required scheduled delivery time.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Technical Information for BS25M137-0019-F1 Engine
  • Gross HP/Torque:* 21
  • Max RPM: 3600
  • Engine Displacement: 420 cc
  • Crankshaft Type: Straight
  • Crankshaft Rotations from PTO: Counter Clockwise
  • Crankshaft Diameter (in.): 1"
  • Crankshaft Length (in.): 2-49/64"
  • Crankshaft Keyway (in.): 1/4"
  • Ignition System: Electronic
  • Limited Warranty - Consumer: 2 years
  • Limited Warranty - Commercial: 1 year

*Briggs & Stratton uses Gross Torque (GT) to measure power on smaller engines and Gross Horsepower (GHP) for larger engines.

Find Parts With Part Diagrams

We get it, fixing outdoor power equipment can be hard, but finding the right part is easier with our Part Lookup Tool.

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