Commercial Series Engines

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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 HP

656 - 810cc

Displacement

2

No. of Cylinders

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

Model Number

44T6

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

Optional

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T6

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

Optional

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

40T8

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

Optional

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T6

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T7

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T8

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T9

HP (gross) **

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)

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)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

49T7

HP (gross) **

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)

Bore (in)

3.3

Stroke (in)

2.89

Engine Fuel

Gasoline

Lubrication System

Full Pressure Lubrication

Oil Capacity (oz)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

49T8

HP (gross) **

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)

Bore (in)

3.3

Stroke (in)

2.89

Engine Fuel

Gasoline

Fuel Tank Capacity (gal)

N/A

Lubrication System

Full Pressure Lubrication

Oil Capacity (oz)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Model Number

44T6

40T8

44T6

44T7

44T8

44T9

49T7

49T8

HP (gross) **

Engine Displacement (cc)

656

724

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)

Bore (in)

2.97

3.12

3.3

Stroke (in)

2.89

Engine Fuel

Gasoline

Fuel Tank Capacity (gal)

N/A

Lubrication System

Full Pressure Lubrication

Oil Capacity (oz)

Oil Filter

Premium

Starter

Optional EFM

Air Filter

Integrated Cyclonic Air Cleaner - Patented 5 Step

Muffler

Optional

N/A

Certified Power Rating

Download Power Curve

Warranty Consumer Product Info

3 year consumer warranty

Warranty Commercial Product Info

3 year commercial warranty

Warranty Commercial Product

2 year commercial warranty

Support

Manuals

Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or equipment by following our step-by-step process.

Find Manuals >

FAQs

Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting.

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Maintenance How-To Articles

Find DIY articles on how to use & maintain your Briggs & Stratton engine or equipment.

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Shop Repair & Maintenance Parts

Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance.

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Tackle Your Yard

At the end of the day, a job well done is its own reward. Our equipment is there to help make it happen. It's easy to master, durable and ready for a challenge. Just like you.