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Briggs & Stratton 450 Series Vertical Engine

The 450 Series is an entry-level engine for lawnmowers. Compact, lightweight, and simple to operate, these engines provide dependable power at an exceptional value.
Series Features

Dependable Power - 4.50 ft. lbs Gross Torque

Excellent performance for light-duty applications

Prime 'N Pull™ E-Z Starting System

Pumps the proper amount of fuel to the carburetor for quick and easy starts

Compact and Lightweight

Helps make manuevering push mowers easier

Aluminized Muffler

For corrosion protection

Oil-Foam Air Filter

Protects engine from dirt to extend engine life

 4.50 ft-lbs Gross Torque
Torque* (ft-lbs, gross) 4.50
Engine Displacement (cc) 148
Number of Cylinders Single
Engine Configuration Vertical Shaft
Engine Technology L-Head
Length (in) 12.8
Width (in) 11.5
Height (in) 9.5
Weight (lbs) 19.8
Bore (in) 2.56
Stroke (in) 1.75
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 0.225
Lubrication System Splash
Oil Capacity (oz) 20
Oil Filter No
Starter Rewind
Muffler Round
Fuel Shutoff Valve NA

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