Commercial Series Engines

Commercial Series Engines

Commercial Performance, Reliable Power.

These engines are specially designed for zero turn mowers and other high debris applications to endure extended use in extreme conditions.

16.0 - 27.0

Gross Torque (ft-lbs)

656 - 810cc

Displacement

Gasoline

Engine Fuel

64 - 67

Oil Capacity (oz)

Features

Made in the USA

Made in the USA of US and global parts.

Electronic Fuel Management

Starts as consistently as your car.

Patented 5-Step Integrated Cyclonic Debris Management System

Extended durability under heavy debris conditions.

Qualified 50% Longer Engine Life*

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

V-Twin Engine

For more power, comfort and durability.

Specs

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Model Number
44T6
Torque (ft-lbs, gross)*
16
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
Optional
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44T6
Torque (ft-lbs, gross)*
18
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
Optional
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
40T8
Torque (ft-lbs, gross)*
20
Engine Displacement (cc)
656
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
Optional
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44T6
Torque (ft-lbs, gross)*
22
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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)
67
Oil Filter
Premium
Starter
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44T7
Torque (ft-lbs, gross)*
23
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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)
67
Oil Filter
Premium
Starter
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44T8
Torque (ft-lbs, gross)*
24
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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)
67
Oil Filter
Premium
Starter
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44T9
Torque (ft-lbs, gross)*
25
Engine Displacement (cc)
724
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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)
67
Oil Filter
Premium
Starter
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
44X9
Torque (ft-lbs, gross)*
25
Engine Displacement (cc)
724
Engine Configuration
Vertical
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
Weight (lbs)
86.5
Stroke (in)
2.89
Lubrication System
Full Pressure Lubrication with Oil Filter
Oil Capacity (oz)
67
Air Filter
Integral Cyclonic Air Filter
Compression Ratio
8:5:1
Ignition System
Computer Controlled Electronic Ignition
Bore
3.12
Warranty Commercial Product Info
3 Year Commercial Limited

*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
49T7
Torque (ft-lbs, gross)*
26
Engine Displacement (cc)
810
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
Weight (lbs)
87
Bore (in)
3.30
Stroke (in)
2.89
Engine Fuel
Gasoline
Lubrication System
Full Pressure Lubrication
Oil Capacity (oz)
67
Oil Filter
Premium
Starter
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
49T8
Torque (ft-lbs, gross)*
27
Engine Displacement (cc)
810
Number of Cylinders
V-Twin
Engine Configuration
Vertical Shaft
OHV Engine
Yes
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
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
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler
N/A
Certified Power Rating
Warranty Consumer Product Info
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty

*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
49X9
Torque (ft-lbs, gross)*
27
Engine Displacement (cc)
810
Engine Configuration
Vertical
Length (in)
19.3
Width (in)
17.6
Height (in)
15.7
Weight (lbs)
89
Stroke (in)
2.89
Lubrication System
Full Pressure Lubrication with Oil Filter
Oil Capacity (oz)
67
Air Filter
Integral Cyclonic Air Filter
Compression Ratio
8:5:1
Ignition System
Computer Controlled Electronic Ignition
Bore
3.3
Warranty Commercial Product Info
3 Year Commercial Limited

*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
44T6
44T6
40T8
44T6
44T7
44T8
44T9
44X9
49T7
49T8
49X9
Torque (ft-lbs, gross)*
16
18
20
22
23
24
25
25
26
27
27
Engine Displacement (cc)
656
656
656
724
724
724
724
724
810
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
Vertical Shaft
Vertical Shaft
Vertical
OHV Engine
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Length (in)
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
Width (in)
17.6
17.6
17.6
17.6
17.6
17.6
17.6
17.6
17.6
17.6
17.6
Height (in)
15.7
15.7
15.7
15.7
15.7
15.7
15.7
15.7
15.7
15.7
15.7
Weight (lbs)
84
84
84
84
84
84
84
86.5
87
87
89
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
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
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 with Oil Filter
Full Pressure Lubrication
Full Pressure Lubrication
Full Pressure Lubrication with Oil Filter
Oil Capacity (oz)
64
64
64
67
67
67
67
67
67
67
67
Oil Filter
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Premium
Starter
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Optional EFM
Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integral Cyclonic Air Filter
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integrated Cyclonic Air Cleaner - Patented 5 Step
Integral Cyclonic Air Filter
Muffler
Optional
Optional
Optional
N/A
N/A
N/A
N/A
N/A
N/A
Warranty Consumer Product Info
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
3 year consumer warranty
Warranty Commercial Product Info
3 year commercial warranty
3 year commercial warranty
3 year commercial warranty
3 year commercial warranty
3 year commercial warranty
3 year commercial warranty
3 year commercial warranty
3 Year Commercial Limited
3 year commercial warranty
3 year commercial warranty
3 Year Commercial Limited
Compression Ratio
8:5:1
8:5:1
Ignition System
Computer Controlled Electronic Ignition
Computer Controlled Electronic Ignition
Bore
3.12
3.3

*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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