Professional Series™ (V-Twin)
Professional Series™ (V-Twin)
Power and Performance
Commercial grade power, easy starting and reliable performance time after time and year after year.
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16 - 27
Gross HP
656 - 810cc
Displacement
2
No. of Cylinders
64 - 67
Oil Capacity (oz)
Features
Specs
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Model Number
40S7
HP (gross) **
16
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
HP (gross) **
18
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
40S8
HP (gross) **
20
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
44S6
HP (gross) **
22
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
44S7
HP (gross) **
23
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
N/A
Certified Power Rating
*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
44S8
HP (gross) **
24
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
44S9
HP (gross) **
25
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
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
*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
49S7
HP (gross) **
26
Engine Displacement (cc)
810
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.1
Width (in)
18.7
Height (in)
14.3
Weight (lbs)
87
Bore (in)
3.30
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
67
Oil Filter
Premium
Starter
ReadyStart® Starting System,EFM/AutoStart
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
No
Certified Power Rating
*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
49S8
HP (gross) **
27
Engine Displacement (cc)
810
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.1
Width (in)
18.7
Height (in)
14.3
Weight (lbs)
87
Bore (in)
3.30
Stroke (in)
2.89
Engine Fuel
Gasoline
Fuel Tank Capacity (gal)
N/A
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
67
Oil Filter
Premium
Starter
ReadyStart® Starting System,EFM/AutoStart
Air Filter
Dual Element Cartridge with Advanced Debris Management
Muffler
No
Certified Power Rating
*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
40S8
44S6
44S7
44S8
44S9
49S7
49S8
HP (gross) **
16
18
20
22
23
24
25
26
27
Engine Displacement (cc)
656
656
656
724
724
724
724
810
810
Number of Cylinders
V-Twin
V-Twin
V-Twin
V-Twin
V-Twin
V-Twin
V-Twin
V-Twin
V-Twin
Engine Configuration
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
Vertical Shaft
OHV Engine
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Length (in)
19.1
19.1
19.1
19.1
19.1
19.1
19.1
19.1
19.1
Width (in)
18.2
18.2
18.2
18.2
18.2
18.2
18.2
18.7
18.7
Height (in)
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
Weight (lbs)
84
84
84
84
84
84
84
87
87
Bore (in)
2.97
2.97
2.97
3.12
3.12
3.12
3.12
3.30
3.30
Stroke (in)
2.89
2.89
2.89
2.89
2.89
2.89
2.89
2.89
2.89
Engine Fuel
Gasoline
Gasoline
Gasoline
Gasoline
Gasoline
Gasoline
Gasoline
Gasoline
Gasoline
Fuel Tank Capacity (gal)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Lubrication System
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication
Oil Capacity (oz)
64
64
64
64
64
64
64
67
67
Oil Filter
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Starter
Electric Start
Electric Start
Electric Start
Electric Start
Electric
Electric Start
Electric Start
ReadyStart® Starting System,EFM/AutoStart
ReadyStart® Starting System,EFM/AutoStart
Air Filter
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
Dual Element Cartridge with Advanced Debris Management
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
N/A
N/A
N/A
N/A
No
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.
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