Vanguard® 37.0 Gross HP EFI/ETC Big Block V-Twin Horizontal Shaft Engine

The Vanguard® 37.0 Gross HP EFI/ETC Big Block V-Twin is built for extreme-duty commercial and industrial applications, combining cutting-edge technology with heavy-duty durability. It delivers reliable, high-output performance, improved fuel efficiency, and reduced maintenance downtime — making it ideal for zero-turn mowers, utility vehicles, and high-performance machinery.

Key Features:

• Electronic Fuel Injection (EFI): Enhances starting performance and fuel economy by ensuring precise fuel delivery.

• Electronic Throttle Control (ETC): Automatically adjusts engine speed under load for smooth, consistent operation.

• Advanced Debris Management: Multi-stage cyclonic air filtration and a chopper fan keep the engine cooler and cleaner for longer life.

• Full Pressure Lubrication: Includes a spin-on oil filter for better lubrication and longer service intervals.

• High-Efficiency Cylinder Heads: Engineered for improved airflow and cooling to maintain performance during extended use.

• Rugged Construction: Cast iron sleeves and a dynamically balanced crankshaft reduce vibration and extend durability.

Specifications:

• Engine Type: V-Twin OHV

• Displacement: 993 cc

• Gross Horsepower: 37.0 HP @ 3600 RPM

• Bore x Stroke: 3.37" x 3.41"

• Compression Ratio: 8.2:1

• Oil Capacity: 78 oz (2.3 L)

• Dry Weight: 125 lbs (56.7 kg)

• Dimensions (L x W x H): 14.92" x 19.53" x 28.54"

• Air Cleaner: Five-Inch Cyclonic

• Ignition System: Computer-Controlled Battery Ignition

• Lubrication System: Full Pressure with Spin-On Oil Filter

• Warranty: 3-Year Commercial Limited