2017 Briggs & Stratton 15.5 Gross HP** (31R7)
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Discover a new standard in reliability. The powerful Intek™ Series riding mower engines deliver superior performance and durability. The XRD incorporates dozens of endurance-driving improvements, joined by the comfort of an Anti-Vibration System and the convenience of a Tool-less Air Cleaner Cover. It's riding mower engine you can rely on.
- HP (gross) **: 15.5 gross
- Engine Displacement (cc): 500 cc
- Number of Cylinders: Single
- Engine Configuration: Vertical Shaft
- OHV Engine: Yes
- Length (in): 18.9 in
- Width (in): 15.5 in
- Weight (lbs): 77 lbs
- Height (in): 12.9 in
- Bore (in): 3.56 in
- Stroke (in): 3.06 in
- Engine Fuel: Gasoline
- Lubrication System: Pressure Lubrication, Full Pressure Lubrication optional
- Fuel Tank Capacity (gal): N/A gal
- Oil Capacity (oz): 48.0 oz
- Oil Filter: Standard
- Starter: Electric Start
- Air Filter: Cartridge Air Cleaner with Advanced Debris Management
- Muffler: Optional
- Marketing Model: 31R7
- Certified Power Rating: Download Power Curve
- Tool-less Air Cleaner Cover: Easy access for filter changes
- Intek Series™ Riding Mower Engine: More durable. More efficient. More powerful. Mows the lawn and lasts long.
- Advanced Formula Fuel Treatment & Stabilizer: Safeguards engines against ethanol damage and maintains fuel stability for up to 3 years.
- Overhead Valve (OHV) Engine Design: OHV engines run cooler and cleaner for better fuel economy and longer engine life.
- Use E10 or Less Engine Fuel: Look Before you pump fuel into your lawn mower and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the engine on your outdoor power equipment.
- Full Pressure Lube System: Cooler operation and longer life.
- Anti-Vibration System - AVS®: Provides a smoother ride and more comfort.
- Advanced Debris Management System: Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.
- Dura-Bore™ Cast Iron Sleeve: Withstands wear and abuse.
- 500 cc
- 15.5 gross
- Fuel Capacity
- N/A gal
- Starting System
- Electric Start
- 18.9 in
- 15.5 in
- 12.9 in
- 77 lbs