Professional Series™ (V-Twin)

World-class performance – time after time. With commercial-grade power, easy starting and quiet operation, the Professional Series riding mower engine delivers great results for your toughest jobs. And it keeps delivering, because these Briggs & Stratton mower engines are built to last with our exclusive Advanced Debris Management System, chrome-plated exhaust valves and other durable features.

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Product Details

Advanced Debris Management System

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

Overhead Valve (OHV) Engine Design

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

Engine Type V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Horsepower 22*
Model Number 44U6
Engine Displacement (cc) 724
Cylinder Cast Iron Sleeve
Bore (mm) 79.2
Stroke (mm) 73.4
Oil Capacity (L) 1.9
Dry Weight (kg) 37.6
Length (mm) 479
Width (mm) 393
Height (mm) 327
Consumer Warranty 2 Year Domestic Limited†
Commercial Warranty 1 Year Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.

Engine Type V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Horsepower 23*
Model Number 44U7
Engine Displacement (cc) 724
Cylinder Cast Iron Sleeve
Bore (mm) 79.2
Stroke (mm) 73.4
Oil Capacity (L) 1.9
Dry Weight (kg) 37.6
Length (mm) 479
Width (mm) 393
Height (mm) 327
Consumer Warranty 2 Year Domestic Limited†
Commercial Warranty 1 Year Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.

Engine Type V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Horsepower 24*
Model Number 44U8
Engine Displacement (cc) 724
Cylinder Cast Iron Sleeve
Bore (mm) 79.2
Stroke (mm) 73.4
Oil Capacity (L) 1.9
Dry Weight (kg) 37.6
Length (mm) 479
Width (mm) 383
Height (mm) 479
Consumer Warranty 2 Year Domestic Limited†
Commercial Warranty 1 Year Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.

Engine Type V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve)
Gross Horsepower 26*
Model Number 49S7
Engine Displacement (cc) 810
Cylinder Cast Iron Sleeve
Bore (mm) 73.8
Stroke (mm) 73.4
Oil Capacity (L) 1.9
Dry Weight (kg) 37.6
Length (mm) 490
Width (mm) 462
Height (mm) 399
Consumer Warranty 2 Year Domestic Limited†
Commercial Warranty 1 Year Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.

Engine Type V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve)
Gross Horsepower 27*
Model Number 49S8
Engine Displacement (cc) 810
Cylinder Cast Iron Sleeve
Bore (mm) 73.8
Stroke (mm) 73.4
Oil Capacity (L) 1.9
Dry Weight (kg) 37.6
Length (mm) 490
Width (mm) 462
Height (mm) 399
Consumer Warranty 2 Year Domestic Limited†
Commercial Warranty 1 Year Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.