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    28.0 Gross HP* 810cc EFI

    28.0 Gross HP* 810cc EFI

    28.0 Gross HP* 810cc EFI

    This commercial-grade v-twin EFI engine sets new standards for durability and reliability — including more efficient fuel performance and lower operating costs.

    • Features Vanguard Electronic Fuel Injection for added power and fuel economy.
    • Designed with debris- and air-management features that enhance durability and performance plus the Oil Guard™ system that improves lubrication, maximizes engine life and extends oil change intervals to save money.
    • Backed by Vanguard’s 3-Year Commercial Warranty.

    28

    Horsepower (HP)

    810

    Displacement (cc)

    2

    No. of Cylinders

    Gas

    Fuel Type
    Feature

    Features

    V-Twin OHV Technology

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

    Advanced Debris Management

    Keeps engine clean and cool for enhanced durability and performance

    Vanguard EFI

    Optimizes fuel injection and spark timing so the EFI engine delivers significant fuel savings, greater efficiency, easier starting and higher productivity.

    Dura-Bore Cast Iron Cylinder Sleeve

    Withstands wear while providing improved oil control

    Engine Warranty**

    Three year commercial engine warranty for all applications

    High Pressure Fuel Pump Module

    Alcohol & Stale Fuel Resistance

    Electric Control Module (ECU)

    Allows for altitude compensation and optimized starting

    Service Solution

    Suite of support and diagnostic tools allows for minimizing potential downtime

    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

    Heavy-Duty Cylinder and Sump

    Engine block designed to provide superior durability

    Durable Head & Valve Train Design

    Valve and seat materials uniquely matched to run under the most severe conditions.

    Automotive Grade Pistons Forged Connection Rods

    Lowers noise, vibration, oil consumption, emissions and wear.

    Forged Crankshaft

    Incorporates heat-treated ball bearings to minimize friction and heat build-up.

    Fire Ring Head Gaskets

    Motorsports design maintains seal of higher combustion pressures.

    Five-Inch Centrifugal Multi-Stage Air Cleaner

    Provides maximum engine protection, especially under dirty and dusty conditions

    Innovative Debris Chopper Fan

    Excellent debris management and up to 30-degree cooler engine temperatures.

    Industrial Grade Solenoid Shift Starter

    Quick reliable starts

    Mechanical Compression Release

    Smooth, easy starts and instant return to maximum power after starting.

    Computer Controlled Electronic Ignition

    Quick dependable starts with no maintenance required.

    Cooling Fin Inspection Panels

    Enables quick debris inspection and cleaning

    Engineered Resin Blower Housing

    Lowers noise level and improves sound quality.

    Specifications

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    Model
    49E8
    HP (gross) *
    28
    Engine Displacement (cc)
    810
    Bore (in)
    3.3
    Stroke (in)
    2.89
    Weight (lbs)
    92
    Oil Capacity (oz)
    67
    Compression Ratio
    8.4:1
    Air Cleaner
    Five-Inch Cyclonic Air Cleaner
    Ignition System
    Computer Controlled Battery Ignition
    Lubrication System
    Full Pressure Lubrication with Oil Filter
    Length (in)
    19.94
    Width (in)
    18.53
    Height (in)
    22.89
    Certified Power Rating
    Download Power Curve
    Commercial Engine Warranty**
    3 Year Commercial Limited
    Engine Brand
    Vertical
    Manuals
    DownloadRepair Manual - German
    DownloadRepair Manual - French
    DownloadRepair Manual - English
    DownloadRepair Manual - English
    DownloadRepair Manual - Italian
    DownloadRepair Manual - French
    DownloadRepair Manual - English
    DownloadRepair Manual - English
    DownloadRepair Manual - French
    DownloadRepair Manual - French
    DownloadRepair Manual - French
    DownloadRepair Manual - German
    DownloadRepair Manual - Italian
    DownloadRepair Manual - French
    DownloadRepair Manual - Italian
    DownloadRepair Manual - Italian
    DownloadRepair Manual - German
    DownloadRepair Manual - German
    DownloadRepair Manual - German
    DownloadRepair Manual - French
    DownloadRepair Manual - Italian
    DownloadRepair Manual - English
    DownloadRepair Manual - French
    DownloadRepair Manual - Italian
    DownloadRepair Manual - German
    DownloadRepair Manual - German
    DownloadRepair Manual - English
    DownloadRepair Manual - Italian
    DownloadRepair Manual - German
    DownloadRepair Manual - English
    DownloadRepair Manual - German
    DownloadRepair Manual - German
    DownloadRepair Manual - Italian
    DownloadRepair Manual - Italian
    DownloadRepair Manual - German
    DownloadRepair Manual - Italian
    DownloadRepair Manual - French
    DownloadRepair Manual - English
    DownloadRepair Manual - English
    DownloadRepair Manual - English
    DownloadRepair Manual - French
    DownloadRepair Manual - Italian
    DownloadRepair Manual - German
    DownloadRepair Manual - French
    DownloadRepair Manual - Italian
    DownloadRepair Manual - Italian
    DownloadRepair Manual - French
    DownloadRepair Manual - German
    DownloadRepair Manual - French
    DownloadRepair Manual - English

    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

    Oil Guard
    Alternator (16, 20)
    Oil Pressure Switch
    Straight Keyed Tapered Cranks 1 18 Diameter
    Flexible Oil Drain Extension
    Exhaust Mounting Studs
    CARB Compliant Purge Ports
    Low Mount Muffler

    Product Literature

    Get more detailed information on what you can expect from Vanguard® and our Mid-Block V-Twin engines by downloading our literature here.

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