Endurance Series (V-Twin)

20.00-27.00 GROSS HORSEPOWER

Take on the toughest tasks with ease. Heavy-duty Husqvarna® Exclusive Endurance Series V-Twin engines deliver more power, less vibration, quieter running and greater durability for using your riding lawn mower in your yard. This riding mower engine comes with easy Electric Start, long-lasting Overhead Valve Design, Advanced Debris Management and more.

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Riding Lawn Mower Engine Reviews

Product Details

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Use E10 or Less Engine Fuel

Look Before you pump fuel into your lawn mower and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the engine on your outdoor power equipment.

Husqvarna® Premium Oil Filter

Exclusive oil filter for Less maintenance, less often.

Overhead Valve (OHV) Engine Design

OHV engines run cooler and cleaner for better fuel economy and longer engine life.

Advanced Formula Fuel Treatment & Stabilizer

Safeguards engines against ethanol damage and maintains fuel stability for up to 3 years.

See the full benefits of Advanced Formula Fuel Treatment

Advanced Debris Management System

Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.

Husqvarna® Platinum Sparkplug

Exclusive sparkplug provides longer durability.

Optional: ReadyStart® for Ride Technology

Automotive-style, no choke easy starting. Just turn the key or push the button and go.

Optional: Electric Start 

A simple switch with no rope pull

HP (gross) ** 18.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler Optional
Certified Power Rating Download Power Curve
Marketing Model 40S7

*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.

HP (gross) ** 20.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler Optional
Certified Power Rating Download Power Curve
Marketing Model 40S8

*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.

HP (gross) ** 22.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 44S6

*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.

HP (gross) ** 23.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 44S7

*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.

HP (gross) ** 24.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 44S8

*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.

HP (gross) ** 25.0
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) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 44S9

*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.

HP (gross) ** 26.0
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) 3.3
Stroke (in) 2.89
Engine Fuel Gasoline
Fuel Tank Capacity (gal) N/A
Lubrication System Full Pressure Lubrication
Oil Capacity (oz) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 49S7

*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.

HP (gross) ** 27.0
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) 3.3
Stroke (in) 2.89
Engine Fuel Gasoline
Fuel Tank Capacity (gal) N/A
Lubrication System Full Pressure Lubrication
Oil Capacity (oz) 67.0
Oil Filter Husqvarna Premium
Starter EFM
Air Filter Integrated Cyclonic Air Cleaner - Patented 5 Step
Muffler N/A
Certified Power Rating Download Power Curve
Marketing Model 49S8

*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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