Professional Series™ (V-Twin)

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.

15.5 - 20

Gross Horsepower

500 - 656

Displacement (cc)

1.4 - 1.9

Oil Capacity (L)

2 Year

Warranty

Features

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.

Specifications

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Model Number
40U7
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
18.0
Engine Displacement (cc)
656
Cylinder
Cast Iron Sleeve
Bore (mm)
79.2
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (Single Cylinder)
Model Number
40U8
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
20.0
Engine Displacement (cc)
656
Cylinder
Cast Iron Sleeve
Bore (mm)
79.2
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (Single Cylinder)
Model Number
44U6
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
22.0
Engine Displacement (cc)
724
Cylinder
Cast Iron Sleeve
Bore (mm)
79.2
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (V-Twin)
Model Number
44U7
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
23.0
Engine Displacement (cc)
724
Cylinder
Cast Iron Sleeve
Bore (mm)
79.2
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (V-Twin)
Model Number
44U8
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
24.0
Engine Displacement (cc)
724
Cylinder
Cast Iron Sleeve
Bore (mm)
79.2
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
479
Width (mm)
383
Height (mm)
479
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (V-Twin)
Model Number
49S7
Engine Type
V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
26.0
Engine Displacement (cc)
810
Cylinder
Cast Iron Sleeve
Bore (mm)
83.8
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
490
Width (mm)
462
Height (mm)
399
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (V-Twin)
Model Number
49S8
Engine Type
V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
27.0
Engine Displacement (cc)
810
Cylinder
Cast Iron Sleeve
Bore (mm)
83.8
Stroke (mm)
73.4
Oil Capacity (L)
1.9
Weight (kg)
37.6
Length (mm)
490
Width (mm)
462
Height (mm)
399
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Professional Series™ (V-Twin)

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

Model Number
40U8
40U7
40U8
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
20.0
18.0
20.0
Engine Displacement (cc)
656
656
656
Cylinder
Cast Iron Sleeve
Cast Iron Sleeve
Cast Iron Sleeve
Bore (mm)
79.2
79.2
79.2
Stroke (mm)
73.4
73.4
73.4
Oil Capacity (L)
1.9
1.9
1.9
Weight (kg)
37.6
37.6
37.6
Length (mm)
479
479
479
Width (mm)
393
393
393
Height (mm)
327
327
327
Consumer Limited Warranty†
2 Years
2 Years
2 Years
Commercial Limited Warranty†
1 Year
1 Year
1 Year
Engine Series
Professional Series™ (Single Cylinder)
Professional Series™ (Single Cylinder)
Professional Series™ (Single Cylinder)

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