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Home News Briggs & Stratton introduces four new single-cylinder engines

Briggs & Stratton introduces four new single-cylinder engines

Supplier News

The engines have new features designed to address common worksite problems like heavy dust, lack of regular maintenance, filtration issues and oil dilution during transportation.

| January 19, 2010

MILWAUKEE, Wis. – Briggs & Stratton Commercial Power has added four new Vanguard single-cylinder engines with gross horsepower ratings ranging from 5.5 hp to 10 hp. The new engines represent many new features specifically designed to address the top worksite challenges cited by end-user customers and OEMs: heavy dust, lack of regular maintenance, filtration issues and oil dilution during transportation.

During transport, engines are subjected to vibration, which can cause fuel to flow through the engine and into the oil. Fuel in the oil drastically reduces viscosity, resulting in more friction, increased wear and shorter engine life.
 
Vanguard engineers researched and created an integrated switch that simultaneously shuts off the ignition and the fuel. This patent-pending innovation, called the TransportGuard system, ensures that fuel stays where it belongs and helps eliminate fouled plugs, hydraulic lock, cylinder wash down and crankcase oil dilution caused by transportation, the company says. Ultimately, this saves equipment owners money by decreasing downtime and repair costs.
 
In addition to solving oil dilution issues, engineers designed each component and integrated technology to raise durability and reliability standards, the company says.
 
“Our approach to product development is to stay connected to the customer,” said Dan Roche, marketing manager, Briggs & Stratton Commercial Power. “Our work in the field helped define the design criteria for these new Vanguard engines. By listening to customers and working with OEMs, we have developed an engine series that will raise the standard of dependability in the toughest job site situations.”
 
Each area of the engine has been designed to address durability and reliability challenges. A high-mounted canister-style air cleaner has 27 percent more filter area than competitor units, the company says. An all-metal fuel tank reduces emissions, saves fuel and is mounted directly to the engine block. And heat-treated PTO bearing races ensure long-lasting equipment performance. 
 
Additional features and benefits targeting durability standards include:
  • The air filter is water-repellant and protected by a full metal cage; it features a triple-seal design to decrease dirt, dust and debris intake
  • Large, efficient sediment filter; sediment collected in clear bowl easily drains through “no-tools” valve
  • Commercial-style carburetor includes additional fuel passages to assure easy starting and smooth operation at a wide range of speeds and loads
  • Deep ribs on the cylinder head add strength and increase cooling; mating surfaces between the cylinder head and cylinder maximize sealing and torque
  • Combustion chamber improves air and fuel flow, resulting in a cleaner burn, reduced emissions and increased horsepower
  • Forged crankshaft with dual ball bearings minimizes friction and heat build-up
The new Vanguard single-cylinder engines feature larger ignition coils assuring fast, easy starts and the full skirt rewind allows more airflow, while restricting dirt and debris intake. The airflow generated by the high-capacity fan is 15 percent greater than non-Vanguard engines, the company says.
 
Additional features and benefits targeting reliability standards include:
  • Engine shroud design directs cool air over the hottest parts of the cylinder block to enhance overall performance and engine functionality
  • Intake, fan and exhaust noise is minimized 
  • Motorsports-proven rod/dipper design improves oil flow throughout the engine, assuring maximum protection of component parts
  • Oil sensor automatically shuts down the engine in low-oil situations

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