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, and includes Electronic Fuel Management for easy starting – just like a car.

  • 5-Step Cyclonic Debris Management extends engine life.
  • Premium oil and fuel filters protect the engine.
  • Reliable, automotive-style starting.
  • 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
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
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 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

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 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

Gross Horsepower (ft-lbs)*
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
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
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

Gross Horsepower (ft-lbs)*
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.