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    37.0 Gross HP* EFI
    37.0 Gross HP* EFI
    37.0 Gross HP* EFI
    37.0 Gross HP* EFI
    37.0 Gross HP* EFI
    37.0 Gross HP* EFI
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    37.0 Gross HP* EFI

    993cc

    Count on this Vanguard BIG BLOCK™ V-Twin EFI engine for high-performance power in all conditions and lower operating costs.

    • Designed with debris- and air- management features that enhance durability and performance, plus an oil system that improves lubrication, maximizes engine life and extends oil change intervals.
    • Backed by Vanguard’s 3-Year Commercial Warranty.

    37

    Horsepower (HP)

    993

    Displacement (cc)

    2

    No. of Cylinders

    Gas

    Fuel Type
    Feature

    Features

    V-Twin OHV Technology

    Experience a smoother, more efficient ride with superior balance and low vibration. Enjoy cleaner performance with reduced emissions, longer valve life, improved fuel economy, and exceptional power-to-weight efficiency for maximum productivity.

    Advanced Debris Management

    Experience enhanced engine performance and durability, even in the toughest dusty and dirty conditions. The multi-stage air cleaner, chopper fan and clean out panels keeps the engine running smooth and cool, ensuring long-lasting reliability and peak performance.

    Full Pressure Lubrication with Spin-On Oil Filter

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

    Vanguard EFI

    Benefit from consistent power and optimized fuel efficiency with EFI, which delivers the perfect amount of fuel on every cycle. Learn more >>>

    Dura-Bore Cast Iron Cylinder Sleeve

    Withstands wear while providing improved oil control.

    Engine Warranty

    Three year commercial engine warranty** for all applications.

    Electric Control Module (ECU)

    Allows for altitude compensation and optimized starting.

    High Pressure Fuel Pump Module

    Alcohol & Stale Fuel Resistance.

    Engineered Resin Blower Housing, Phase Modulated Flywheel Fan & Large Volume Super Lo-Tone Muffler

    Lowers noise level and improves sound quality.

    Magnetron® Electronic Ignition

    Start your mower quickly and reliably every time—no maintenance needed, so you can get to work without hassle.

    Dynamically Balanced Crankshaft

    Stay stealthy on the water with a balanced crankshaft that minimizes engine noise and vibration. Whether you're hunting or fishing, enjoy a quieter ride that won't disturb your surroundings or your catch.

    Oil Cooler

    Experience smoother engine performance and greater convenience with oil that is kept at an optimal temperature, ensuring better lubrication and extended oil change intervals.

    High Efficiency Head Design

    Stay productive even in the toughest conditions with new, improved cylinder heads designed to keep your engine cooler for longer. With a 30-degree temperature reduction†, our High-Efficiency Head Design enhances cooling performance, helping extend engine life and maintain peak productivity. Additional cooling features, including extra fins and increased aluminum, further boost durability and reliability when you need it most.

    Five-Inch Centrifugal Multi-Stage Air Cleaner

    Provides maximum engine protection, especially under dirty and dusty conditions.

    Centrally Located Oil Pump and Pickup

    Faster priming and allows for a higher angle of operation.

    Heavy-Duty Cylinder and Sump

    Engine block designed to provide superior durability.

    Industrial Grade Solenoid Shift Starter

    Quick reliable starts.

    Service Solution

    Suite of support and diagnostic tools allows for minimizing potential downtime.

    Magnetron® Electronic Ignition

    Start your equipment quickly and reliably every time—no maintenance needed, so you can get to work without hassle.

    *All power levels are stated gross HP at 3,600 RPM per SAE J1940.
    **See operator's manual or dealer for complete warranty details.

    Specifications

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    Model
    61E8
    HP (gross) *
    37
    Engine Displacement (cc)
    993
    Engine Configuration
    Vertical
    Bore (in)
    3.37
    Stroke (in)
    3.41
    Weight (lbs)
    125
    Oil Capacity (oz)
    82
    Compression Ratio
    8.2:1
    Air Cleaner
    Five-Inch Cyclonic Air Cleaner
    Ignition System
    Computer Controlled Battery Ignition
    Lubrication System
    Full Pressure Lubrication System with Oil Cleaner
    Length (in)
    23.66
    Width (in)
    20.24
    Height (in)
    24.65
    Certified Power Rating
    Download Power Curve
    Commercial Engine Warranty**
    3 Year Commercial Limited
    Manuals
    DownloadRepair Manual - Italian
    DownloadRepair Manual - French
    DownloadRepair Manual - English
    DownloadRepair Manual - German
    DownloadOperator's Manual - English, Spanish-Colombian, French-Canadian
    DownloadOperator's Manual - Multi-Language
    DownloadOperator's Manual - Multi-Language
    DownloadOperator's Manual - English, Bulgarian, Czech, Estonian, Croatian, Hungarian, Lithuanian, Latvian, Polish, Romanian, Russian, Slovak, Slovenian, Turkish
    DownloadOperator's Manual - English,Spanish,French
    DownloadOperator's Manual - English, Danish, Dutch, Finnish, French-European, Greek, Italian, German, Norwegian, Portuguese-European, Spanish-European, Swedish
    DownloadIllustrated Parts List - English
    DownloadIllustrated Parts List - Chinese

    *All power levels are stated gross HP at 3,600 RPM per SAE J1940.
    **See operator's manual or dealer for complete warranty details.
    †Fuel savings may vary based on cutting conditions and other factors.

    Support

    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

    Key Switch
    Alternators (20 & 20-50 amp)
    Oil Pressure Switch
    Straight Keyed Cranks (1-1/8" & 1-7/16" Diameters)
    CDI Ignition with Rev Limiter
    Engine Mounted Choke and Throttle Control
    Flywheel Stub Shaft
    Low Profile Air Cleaner
    High & Mid Mounted Mufflers
    High Speed 4750rpm Package (Marine & Utility Vehicles Only)
    Direct Throttle Control
    Tach/Hour Meter with Check Engine Light
    Low Idle Speed Control
    Spline Crankshaft

    Product Literature

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

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