Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines
Briggs & Stratton PXi Series Engines

Briggs & Stratton PXi Series Engines

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Stock status: Call Store for Availability

Our PXi Series V-Twin riding mower engines give you premium power and features to handle the big jobs. The enhanced components are extremely durable, and premium air, oil and fuel filters keep the engine running clean to extend engine life. Our optional starting technologies provide reliable, automotive-style starting in all weather conditions – from minus 20°F up to 120°F.

  • Advanced Debris Management System – Helps our engines run cleaner and longer by deflecting and ejecting grass and debris, providing a longer life.
  • Full Pressure Lubrication System – Continuously feeds oil through the premium oil filter and crankshaft bearing for enhanced durability and longer engine life.
  • Optional no choke starting with for Ride.

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Specs

Model Number
40S8
Gross Horsepower (ft-lbs)*
20
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
true
Length (in)
19.1
Width (in)
18.2
Height (in)
14.3
Weight (lbs)
84
Bore (in)
2.97
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
64
Oil Filter
Premium
Starter
Electric Start
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
Certified Power Rating
Download Power Curve
Fuel Shutoff Valve
Optional

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

Model Number
44S6
Gross Horsepower (ft-lbs)*
22
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
true
Length (in)
19.1
Width (in)
18.2
Height (in)
14.3
Weight (lbs)
84
Bore (in)
3.12
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
64
Oil Filter
Premium
Starter
Electric Start
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
Certified Power Rating
Download Power Curve
Fuel Shutoff Valve
Optional

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

Model Number
44S8
Gross Horsepower (ft-lbs)*
24
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
true
Length (in)
19.1
Width (in)
18.2
Height (in)
14.3
Weight (lbs)
84
Bore (in)
3.12
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
64
Oil Filter
Premium
Starter
Electric Start
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
Certified Power Rating
Download Power Curve
Fuel Shutoff Valve
Optional

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

Model Number
44S9
Gross Horsepower (ft-lbs)*
25
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
true
Length (in)
19.1
Width (in)
18.2
Height (in)
14.3
Weight (lbs)
84
Bore (in)
3.12
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
64
Oil Filter
Premium
Starter
Electric Start
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
Certified Power Rating
Download Power Curve
Fuel Shutoff Valve
Optional

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

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