Professional Series™ (V-Twin)

Power and Performance

Commercial grade power, easy starting and reliable performance time after time and year after year.

16 - 27

Gross HP

656 - 810cc

Displacement

2

No. of Cylinders

64 - 67

Oil Capacity (oz)

Features

Qualified 40% Longer Engine Life*

When compared to expected life standards of a Briggs & Stratton Intek™.

Made in the USA

Made in the USA of US and global parts.

Advanced Debris Management System

Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.

Electronic Fuel Management

Starts as consistently as your car.

Full Pressure Lube System

Reduces component wear for longer engine life.

V-Twin Engine

For more power, comfort and durability.

Specs

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Model Number
40S7
Engine Displacement (cc)
656
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
2.97
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
16.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
40S7
Engine Displacement (cc)
656
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
2.97
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
18.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
40S8
Engine Displacement (cc)
656
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
2.97
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
20.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
44S6
Engine Displacement (cc)
724
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.12
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
22.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
44S7
Engine Displacement (cc)
724
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.12
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
23.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric
Muffler
N/A
Model Number
44S8
Engine Displacement (cc)
724
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.12
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
24.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
44S9
Engine Displacement (cc)
724
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.12
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
25.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.2
Weight (lbs)
84
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
64.0
Starter
Electric Start
Muffler
N/A
Model Number
49S7
Engine Displacement (cc)
810
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.3
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
26.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.7
Weight (lbs)
87
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
67.0
Starter
ReadyStart® Starting System,EFM/AutoStart
Muffler
No
Model Number
49S8
Engine Displacement (cc)
810
Engine Configuration
Vertical Shaft
Length (in)
19.1
Height (in)
14.3
Bore (in)
3.3
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Filter
Premium
Air Filter
Dual Element Cartridge with Advanced Debris Management
Certified Power Rating
HP (gross) **
27.0
Number of Cylinders
V-Twin
OHV Engine
Yes
Width (in)
18.7
Weight (lbs)
87
Stroke (in)
2.89
Fuel Tank Capacity (gal)
N/A
Oil Capacity (oz)
67.0
Starter
ReadyStart® Starting System,EFM/AutoStart
Muffler
No

*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
40S7
40S7
40S7
HP (gross) **
18.0
16.0
18.0
Engine Displacement (cc)
656
656
656
Number of Cylinders
V-Twin
V-Twin
V-Twin
Engine Configuration
Vertical Shaft
Vertical Shaft
Vertical Shaft
OHV Engine
Yes
Yes
Yes
Length (in)
19.1
19.1
19.1
Width (in)
18.2
18.2
18.2
Height (in)
14.3
14.3
14.3
Weight (lbs)
84
84
84
Bore (in)
2.97
2.97
2.97
Stroke (in)
2.89
2.89
2.89
Engine Fuel
Gasoline
Gasoline
Gasoline
Fuel Tank Capacity (gal)
N/A
N/A
N/A
Lubrication System
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Oil Capacity (oz)
64.0
64.0
64.0
Oil Filter
Premium
Premium
Premium
Starter
Electric Start
Electric Start
Electric Start
Air Filter
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
N/A
N/A

*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.

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