Briggs & Stratton CXi Series Engines

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These V-Twin engines are specially designed for zero turn mowers and other high-debris applications to endure extended use in extreme conditions. Cyclonic air filtering keeps dirt out and extends engine life. The V-Twin design delivers more power, is naturally balanced for less vibration, runs cooler and cleaner.

  • 5-Step Cyclonic Debris Management extends engine life.
  • Strengthened cylinder, sump and rod for durability.
  • Premium oil and fuel filters protect the engine.
  • Available Electronic Fuel Injection (EFI) and Electronic Throttle Control (ETC) on select engines.
  • Optional Oil Xtend with 250 hour maintenance.
  • Optional Electronic Fuel Management (EFM) for easy starting – just like a car.
  • Made in the USA of US and global parts.


Specs

Model Number
40T8

Gross Horsepower (ft-lbs)*
20

Engine Displacement (cc)
656

Number of Cylinders
V-Twin

Engine Configuration
Vertical Shaft

OHV Engine
true

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
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 horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
44T7

Gross Horsepower (ft-lbs)*
23

Engine Displacement (cc)
724

Number of Cylinders
V-Twin

Engine Configuration
Vertical Shaft

OHV Engine
true

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 horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
44T9

Gross Horsepower (ft-lbs)*
25

Engine Displacement (cc)
724

Number of Cylinders
V-Twin

Engine Configuration
Vertical Shaft

OHV Engine
true

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 horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
44X9

Gross Horsepower (ft-lbs)*
25

Engine Displacement (cc)
724

Engine Configuration
Vertical

OHV Engine
true

Length (in)
19.3

Width (in)
17.6

Height (in)
15.7

Weight (lbs)
86.5

Bore (in)
3.12

Stroke (in)
2.89

Engine Fuel
Gasoline

Lubrication System
Full Pressure Lubrication

Oil Capacity (oz)
67

Oil Filter
Premium

Starter
EFI/ETC

Air Filter
Integral Cyclonic Air Filter

Muffler
N/A

Compression Ratio
8:5:1

Ignition System
Computer Controlled Electronic Ignition

Warranty Commercial Product Info
3 Year Commercial Limited

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

Model Number
49T8

Gross Horsepower (ft-lbs)*
27

Engine Displacement (cc)
810

Number of Cylinders
V-Twin

Engine Configuration
Vertical Shaft

OHV Engine
true

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
Electric Start

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 horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

Model Number
49X9

Gross Horsepower (ft-lbs)*
27

Engine Displacement (cc)
810

Engine Configuration
Vertical

OHV Engine
true

Length (in)
19.3

Width (in)
17.6

Height (in)
15.7

Weight (lbs)
89

Bore (in)
3.3

Stroke (in)
2.89

Engine Fuel
Gasoline

Lubrication System
Full Pressure Lubrication

Oil Capacity (oz)
67

Oil Filter
Premium

Starter
EFI/ETC

Air Filter
Integral Cyclonic Air Filter

Muffler
N/A

Compression Ratio
8:5:1

Ignition System
Computer Controlled Electronic Ignition

Warranty Commercial Product Info
3 Year Commercial Limited

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