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    4. Small Block V-Twin Horizontal Shaft

    13.0 Gross HP*

    13.0 Gross HP*

    13.0 Gross HP*

    Each engine is design-engineered to dependably take on the most demanding commercial applications. As the lightest and most compact V-Twins among leading brands, the Vanguard™ “small blocks” feature a number of advanced technologies and integrated components to put more power in a smaller space.

    Typical Applications Include: Golf and Turf Equipment, Commercial Mowers, Power Packs & Generators.

    To learn more, download our literature here.

    Feature

    Features

    V-Twin OHV Technology

    Superior balance, low vibration, lower emissions, improved valve life, better fuel economy and higher HP/Weight

    Cooler Cleaner Technology (efficient fan, improved debris management)

    Efficiently reduces engine and oil temperatures by 25-30 degrees while effectively managing airborne debris

    Dura-Bore Cast Iron Cylinder Sleeve

    Withstands wear while providing improved oil control

    Engine Warranty**

    Three year commercial engine warranty for all applications

    Full Pressure Lubrication w/ Spin-On Oil Filter

    Cleans oil and protects engine components to ensure maximum lubrication and long life

    Centrally Located Oil Pump and Pickup

    Faster priming and allows for a higher angle of operation

    Oil Cooler

    Reduces oil temperature, improves lubrication and extends oil change intervals

    High Efficiency Head Design

    Angled ports optimizes tumble and mixture preparation for improved efficiency, smoother idle, lower emissions and more power

    Light Weight Piston & Ring Package

    Lowers noise, vibration, oil consumption, emissions and wear

    Dynamically Balanced Crankshaft

    Minimizes engine noise and vibration

    Low Profile Dual-Clean® Air Cleaner

    Industrial Pleated paper with foam pre-cleaner for extended engine life

    Mechanical Compression Release

    Smooth easy starting, longer starter life and provides an instant return to maximum power

    Magnetron® Electronic Ignition

    Quick dependable starts with no maintenance required

    Poly-Core Blower Housing

    Lowers noise level and improves sound quality

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

    Specifications

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    Model
    2957
    HP (gross) *
    13
    Engine Displacement (cc)
    479
    Engine Configuration
    Vertical
    Bore (in)
    2.68
    Stroke (in)
    2.6
    Weight (lbs)
    72
    Oil Capacity (oz)
    48
    Compression Ratio
    8.2:1
    Air Cleaner
    Low Profile Dual-Clean™ Air Cleaner
    Ignition System
    Magnetron® Electronic Ignition
    Lubrication System
    Full Pressure Lubrication with Spin-On Oil Filter
    Length (in)
    10.98
    Width (in)
    16.14
    Height (in)
    17.24
    Manuals
    DownloadsIllustrated Parts List - English
    DownloadsIllustrated Parts List - Chinese
    DownloadsIllustrated Parts List - English
    DownloadsIllustrated Parts List - Chinese
    DownloadsOperator's Manual - English
    DownloadsOperator's Manual - Engine 12 Lang East
    DownloadsOperator's Manual - English, Spanish, French
    DownloadsOperator's Manual - Engine 12 Lang West
    DownloadsOperator's Manual - Engine 12 Lang West
    DownloadsOperator's Manual - Engine 12 Lang East
    DownloadsOperator's Manual - English, Spanish, French
    DownloadsOperator's Manual - English
    DownloadsOperator's Manual - Engine 12 Lang East
    DownloadsOperator's Manual - English, Spanish, French
    DownloadsOperator's Manual - Engine 12 Lang West
    DownloadsOperator's Manual - Engine 12 Lang West
    DownloadsOperator's Manual - Engine 12 Lang East

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

    Support

    Manuals

    Download the operator's manual or illustrated parts list for your Vanguard™ engine by searching your engine model number.

    Find Manuals >

    Tips & Troubleshooting

    Have a question? Search our Frequently Asked Questions to find answers related to model specifications, routine maintenance, repair or troubleshooting.

    Search FAQs >

    Dealer Locator

    World class parts delivery, industry-leading global warranties and unparalleled service & training keeps your equipment out of the shop and on the jobsite.

    Find a Dealer >

    Commercial Limited Warranty

    Three-year commercial engine warranty for all applications. See operator's manual or dealer for complete warranty details.

    Learn More >

    Options

    Solenoid Shift Starter
    Key Switch
    Alternators (20 & 20-50 amp)
    Oil Cooler
    Oil Pressure Switch
    Straight Keyed & Tapered Cranks (1" & 1-1/8" Diameters)
    Flywheel Stub Shaft
    Integrated Fuel Tank
    Cyclonic Air Cleaner
    High, Low and Side Mount Mufflers
    CARB Compliant Purge Ports
    CARB Compliant 6.95 qt. Fuel Tank (H/S Only)

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