Briggs & Stratton E Series™ Engines

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Stock status: Call Store for Availability

Ideal for smaller acreage lawns, our E Series riding mower engines are powerful, yet lightweight. Their performance-enhancing features deliver more than you’d expect, at a great value.

  • Advanced Debris Management – Helps our engines run cleaner and longer by deflecting and ejecting grass and debris, providing a longer life.
  • Anti-Vibration System® (AVS®) – Counterbalanced internal components give you a smoother ride and save wear and tear on your engine, your equipment – and you.
  • Splash Lubrication System – As the engine is running, a spinning gear with paddles slings oil on critical components for vital lubrication and reduced wear.
  • Made in the USA of US and global parts.


Specs

Model Number
21R7

Gross Horsepower (ft-lbs)*
10.5

Engine Displacement (cc)
344

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
17.8

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
66

Bore (in)
3.44

Stroke (in)
2.26

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
0.7 (optional)

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
21R8

Gross Horsepower (ft-lbs)*
11.5

Engine Displacement (cc)
344

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
17.8

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
66

Bore (in)
3.44

Stroke (in)
2.26

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
0.7 (optional)

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
31R5

Gross Horsepower (ft-lbs)*
13.5

Engine Displacement (cc)
500

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
18.9

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
77

Bore (in)
3.56

Stroke (in)
3.06

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
N/A

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
31R6

Gross Horsepower (ft-lbs)*
14.5

Engine Displacement (cc)
500

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
18.9

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
77

Bore (in)
3.56

Stroke (in)
3.06

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
N/A

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
31R7

Gross Horsepower (ft-lbs)*
15.5

Engine Displacement (cc)
500

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
18.9

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
77

Bore (in)
3.56

Stroke (in)
3.06

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
N/A

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
31R8

Gross Horsepower (ft-lbs)*
16.5

Engine Displacement (cc)
500

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
18.9

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
77

Bore (in)
3.56

Stroke (in)
3.06

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
N/A

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
31R9

Gross Horsepower (ft-lbs)*
17.5

Engine Displacement (cc)
500

Number of Cylinders
Single

Engine Configuration
Vertical Shaft

OHV Engine
true

Length (in)
18.9

Width (in)
15.5

Height (in)
12.9

Weight (lbs)
77

Bore (in)
3.56

Stroke (in)
3.06

Engine Fuel
Gasoline

Fuel Tank Capacity (gal)
N/A

Lubrication System
Dura-Lube Splash Lubrication

Oil Capacity (oz)
48

Oil Filter
N/A

Starter
Electric Start, Recoil Optional

Air Filter
Cartridge Air Cleaner with Advanced Debris Management

Muffler
Optional

Certified Power Rating

Fuel Shutoff Valve
Optional

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.