2100 Series Polar Force™ Pro

21.00 Gross Torque

Professional-grade power, performance and ease of use. Ariens® Exclusive 2100 Series Polar Force™ Pro snow engine offers uncompromised power and displacement. This snow blower engine includes a full package of great features, including hassle-free electric 1-2-3 Start, efficient Variable Speed Control and more. The result: all-around simpler snow removal.

  • Dura-Bore™ Cast Iron Sleeve

    Withstands wear and abuse.

  • Briggs & Stratton OHV Engine Design
    Overhead Valve (OHV) Engine Design

    OHV engines run cooler and cleaner for better fuel economy and longer engine life.

  • Large, ergonomic controls

    Keep the gloves on and still start the engine easily.

  • Super Lo-Tone™ Muffler

    Comfortably quiet.

  • Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting. Search FAQs »

  • Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance. Purchase Parts »

Torque* 21.00
Engine Displacement (cc) 420
Number of Cylinders Single
Engine Configuration Horizontal Shaft
Engine Technology OHV
Length (in) 14.6
Width (in) 20.0
Height (in) 17.4
Weight (lbs) 81.0
Bore (in) 3.54
Stroke (in) 2.6
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 1.475
Lubrication System Dura-Lube Splash Lubrication
Oil Capacity (oz) 28
Oil Filter N/A
Starter Manual Choke
Muffler Super Lo-Tone
Fuel Shutoff Valve Standard
Certified Power Rating

*All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.

2100 Series Polar Force™ Pro is rated 3.0 out of 5 by 3.
Rated 5 out of 5 by from Very powerful engine I purchased an Pro 28 specifically because it had the 2100 Briggs. Living in the Boston area I'm sure glad I did this year! The engine starts well provided you start it on full choke and full throttle and is generally a one-pull start. I have not had to use the electric start. The motor is very quiet at lower speeds and sounds much like its Japanese counterparts although it is undoubtedly more powerful. You can even run the blower through 6 inches of snow at half throttle and it still works better than your box-store low end blower.I'm very glad I went with the Pro/Briggs combo.
Date published: 2015-03-07
Rated 3 out of 5 by from cheaply built after only 2 seasons of light use the starter rope wore out and a result there was catastrophic damage to entire assy. (spring, hub, ect.)cheap plastic internal parts makes having to buy entire assygone are the days when things were built to last
Date published: 2015-04-20
Rated 1 out of 5 by from Mine was not serviceable from the factory. I bought an Ariens Pro 28 snow blower with this motor. After the first start up it left a puddle of oil on my garage floor. The oil was leaking from under the motor and NOT from the drain tube or nut. I took the snow blower back to Home Depot for a refund.
Date published: 2014-10-28
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