BIG BLOCK™ V-Twin engine engineered for high-torque, heavy-duty industrial power

The Vanguard® 26,1 Gross kW horizontal shaft engine delivers 35 HP of continuous-duty output, optimized for tough workloads and extended use. As part of the Vanguard BIG BLOCK™ series, it delivers unmatched performance with a compact V-Twin design, ensuring smooth operation, long runtime, and exceptional vibration control. Ideal for utility vehicles, construction tools, and large-scale lawn and landscape machinery, this powerhouse engine delivers efficiency and rugged reliability under pressure.

• Power for heavy-duty tasks: Delivers high torque and horsepower for intensive and continuous workloads.
• Smooth operator: Balanced V-Twin design reduces vibration and boosts user comfort and equipment longevity.
• Proven versatility: Suitable for mowers, generators, and industrial platforms across landscaping, construction, and agriculture.
• Durable & efficient: Built to withstand demanding conditions while optimizing fuel consumption and reducing maintenance needs.

• V-Twin OHV Technology
  V-Twin architecture improves balance and power output, while overhead valve technology enhances fuel economy and engine life.
• Maximum Durability
  Reinforced engine block and cast iron sleeve resist wear and extend operational life even under high stress.
• Optimized Fuel Delivery
  Delivers fast, reliable starts and stable performance across a range of operating conditions.
• OEM Selectable Speed Option
  Supports OEM recalibration with analog (0–5V) or CAN signals for precise speed control and equipment integration.
• Superior Balance
  Dynamically balanced crankshaft combined with lightweight piston and ring assemblies reduce operational noise and extend component durability.
• High Efficiency Head Design
  Angled ports improve tumble, air-fuel mixing, and combustion—yielding smoother idle, better fuel efficiency, and lower emissions.
• Improved Sound Quality
  Phase-modulated flywheel fan and engineered resin housing minimize engine noise and produce a more refined sound signature.
• Smooth Easy Starting
  Mechanical compression release and Magnetron® ignition ensure dependable starts; optional solenoid shift and recoil starters available.
• Extended Engine Life
  Full-pressure lubrication system with spin-on oil filter protects key components, while dual ball bearings reduce friction and enhance longevity.
• Cyclonic Air Cleaner
  Five-inch cyclonic air filter system offers advanced protection from debris intrusion, extending air cleaner service intervals and internal engine health.

*Power levels are stated gross kilowatts per SAE J1940 as rated by Briggs & Stratton.