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1150 Series™

11.50 Gross Torque

Jobs well done. The 1150 Series™ small engine for outdoor power equipment features Overhead Valve (OHV) technology, our DuraLube™ Splash Lubrication System and a host of rugged components to bring you the precise amount of power, performance and durability you need for increasing challenges.

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

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

  • DuraLube™ Splash Lubrication System

    For smoother operation.

  • 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* 11.50
Engine Displacement (cc) 250
Number of Cylinders Single
Engine Configuration Horizontal Shaft
Engine Technology OHV
Length (in) 10.9
Width (in) 15.3
Height (in) 15.6
Weight (lbs) 33.1
Bore (in) 2.97
Stroke (in) 2.2
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 0.8
Lubrication System Dura-Lube Splash Lubrication
Oil Capacity (oz) 20
Oil Filter N/A
Starter Manual Choke with Optional Electric Start
Air Filter Flat Panel or Dual Element Cartridge
Muffler Optional
Fuel Shutoff Valve Optional
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.

1150 Series™ is rated 1.0 out of 5 by 4.
Rated 1 out of 5 by from hot restart This engine powers a wood chipper/shredder. When cold it starts on the first pull, and runs beautifully. However, restart while hot is impossible.
Date published: 2014-06-20
Rated 1 out of 5 by from Engine Cuts out when hot, exhaust fell off, cover fell off I don't usually post to these boards, but this engine has been a big disappointment.Equipment: John Deere 3300psi power washer, 3.2 GPM.The engine starts fine, and then after about 10 minutes of use, it starts to splutter and then it cuts out.I can restart it, it runs fine for a few minutes, then cuts out again.I have done the following:1. replaced spark plug,2. Cleaned carburetor3. Replaced fuel4. Replaced oil with synthetic oil - and i have checked the oil levelSo the fact that it runs fine for a while suggests it is getting fuel and spark OK. It may be getting too hot and then the coil breaks down.. i don't know.Other problems: Way too much vibration. After 2 hours of use, the front plastic cover broke off - i had to re-bolt it on with a big washer.After 1-2 weeks of use, the whole exhaust pipe just broke off. I had to buy a new silencer.I noticed the exhaust pipe gets red hotSo out of frustration, i have decided to replace the engine with a Subaru/Robin 7 hp OHC engine.Sad.. I really wanted to like this thing.Mitch
Date published: 2012-09-25
Rated 1 out of 5 by from Durability IIt is not that new of an engine. It is a 5 horse Briggs on a Mighty Murch wood splitter. It was purchased in the mid 70,s. It was originally used for cmmercial splitting then I got it as a gift. Myself and 3 other people have use it ever since. If I had to guess I would say that it has split 10,000 face cords of wood.Last year I had to put a carb kit in it and the spark plug has been changed 6 times.Other than changing the oil and air filter I also had to resolder the fuel tank 5 years ago.That is all the maintenace that has ben done and it still runs great and is reliable.
Date published: 2012-08-09
Rated 1 out of 5 by from Starting issues I bought a chipper with this engine. It is very difficult to start. Once you run it for a while, and turn it off, it is impossible to restart. As per the other review, it is suggested to take it to be serviced at a B & S authorized dealer. It's pretty ridiculous that this machine was brand new 6 months ago, and had done this since day one. Also I am a landscape contractor and have experience with starting all types of equipment, so it isn't user error.
Date published: 2015-04-17
  • 2015-04-25T06:01CST
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