Briggs and Stratton Commercial Power manufactures the premium-grade Vanguard engines. Founded in 1908, this company introduced the first overhead valve camshaft, the first vertical shaft aluminum block engines, the first V-twin aluminum block engine, and the first 31-horsepower air-cooled V-twin. Briggs and Stratton partners with companies like Toyota to design and distribute new commercial power solutions.
As of 2010, Vanguard offers 10 single-cylinder engines that produce 2.4 to 15 horsepower. The 2.4-horsepower engine measures 8.9 by 11.77 by 11.61 inches and weighs 21 pounds. Its fuel tank can hold 1.7 quarts, and it displaces 4.94 cubic inches. It has one cylinder, an air-cooling system, a Magnetron ignition system, and a splash lubrication system. Its bore is 2.05 inches, its stroke is 1.5 inches and its compression ratio is 8.5 to 1.
The 10 V-Twin Horizontal and Vertical Shaft engines offered by Vanguard in 2010 produce 14 to 23 horsepower. The 14-horsepower engine displaces 29.23 cubic inches and has a compression ratio of 8.2 to 1. Its bore measures 2.68 inches, and its stroke measures 2.6 inches. It uses a Magnetron ignition, a single-barrel float-feed carburetor, a full-pressure lubrication system, and an air-cooling system. It has two cylinders, weighs 72 pounds, and measures 16.89 by 15.91 by 12.2 inches.
The horsepower of the 11 Air Cooled V-Twin Big Block engines ranges from 25 to 36 horsepower. Measuring 14.92 by 19.53 by 28.54 inches, the 25-horsepower engine weighs 125 pounds and displaces 54.68 cubic inches. It has two cylinders and a compression ratio of 8.2 to 1. Its bore measures 3.37 inches, and its stroke measures 3.07 inches. Using a Magnetron ignition system, this engine has a full-pressure lubrication system, a two-barrel float-feed carburetor and an air-cooling system.
As of 2010, Vanguard offers six three-cylinder liquid-cooled engines that produce 23.6 to 34 horsepower. The 23.6-horsepower engine measures 17.13 by 17.44 by 21.38 inches and weighs 185 pounds. Displacing 51.87 cubic inches, it has three cylinders with a compression ignition system, a full-pressure lubrication system, and a liquid-cooling system. Using diesel fuel, this engine has a compression ratio of 24.4 to 1. Its bore measures 2.68 inches, and its stroke measures 3.07 inches.
