Briggs & Stratton EX1150 11.5hp 344cc Intek™ Series Vertical 1" Shaft Engine with Electric Start and Fuel Tank 21R8770056
POWER THAT PERFORMS
The Briggs & Stratton 11.5HP Intek Series™ engine delivers the ideal combination of power, durability, and dependable performance for ride-on mowers and other heavy-duty applications. Designed to be best in its class, the Intek Series is packed with commercial-grade features to meet the needs of both residential users and professionals.
With easy starting, a super-quiet muffler, and a cast iron Dura-Bore™ cylinder sleeve, this engine offers long-lasting strength and quieter operation. The OHV (Overhead Valve) design ensures improved fuel efficiency and cooler operation, while the high-capacity dual air filter extends maintenance intervals.
Typical Applications:
Ideal replacement for most ride-on lawn mowers.
Direct fit for previous Briggs & Stratton 8.0 – 11HP models.
Key Features:
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Engine Model: Briggs & Stratton 21R877
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Power Output: 11.5HP
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Electric Start with Rewind Backup
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Dura-Bore™ Cast Iron Sleeve for extended engine life
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Super Quiet Muffler and Fuel Tank Included
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Float-Feed Carburetor & Mechanical Governor
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Electronic Ignition for reliable starts
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Automotive-Style Dipstick for easy oil checks
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Premium Dual-Clean™ Air Filter for enhanced filtration
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Vertical Shaft: 1" Diameter x 3-5/32" Length (Keyway)
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Dimensions (L x W x H): 479mm x 393mm x 327mm
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Warranty: 2-Year Domestic Warranty (Australia-Wide)
 
Click & Collect OR In-store Pickup
Free At Our Adelaide Store
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Unbeatable savings Guarantee
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Backed by In-House Experts
Armed with decades of combined experience.
 - 
                
Premium Quality Fitment
Top-quality genuine OEM and after-market replacement part fitment.
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Australia Wide Delivery
Dedicated to reaching you at all corners of the country.
 
- 
                
Unbeatable savings Guarantee
Get unbeatable savings with our competitive pricing strategy.
 - 
                
Backed by In-House Experts
Armed with decades of combined experience.
 - 
                
Premium Quality Fitment
Top-quality genuine OEM and after-market replacement part fitment.
 - 
                
Australia Wide Delivery
Dedicated to reaching you at all corners of the country.