26.0 Gross HP*

Vanguard’s Mid-Block commercial-grade v-twin engines equal more power, performance, efficiency and, ultimately, more profitable commercial cutting. The 810cc / 26.0 Gross HP* offers the ultimate zero-turn mower engine plus go 500-hours between oil changes with the optional Oil Guard™ System.
Horsepower (HP)

26

Displacement (cc)

810

No. of Cylinders

2

Fuel Type

Gas

Features

Advanced Debris Management

Delivers low noise and good tonal quality.

 

Automotive Grade Pistons with Forged Connecting Rods

Experience a smoother, quieter experience with reduced vibration, less oil consumption, fewer emissions and extended durability.

 

Computer Controlled Electronic Ignition

Quick, reliable starts every time - no maintenance needed keeping equipment up and running.

Vanguard Oil Guard™ System (Optional)

Unprecedented 500-Hour oil change intervals. This exclusive technology prolongs oil life while providing superior engine protection.

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Specifications

  26.0 Gross HP*
Model Number 49R9
HP (Gross)* 26.0
Engine Displacement (cc) 810
Engine Configuration Vertical
Bore (in) 3.3
Stroke (in) 2.89
Oil Capacity (oz) 67.0
Compression Ratio 8.4:1
Air Cleaner Five-Inch Cyclonic Air Cleaner
Ignition System Magnetron® Electronic Ignition
Lubrication System Full Pressure Lubrication with Oil Filter
Length (in) 19.94
Width (in) 18.53
Height (in) 22.0
Weight (lbs) 92.0
Certified Power Rating Download Power Curve
Commercial Engine Warranty** 3-Year Limited
Operator's Manuals

Support

Manuals

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

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Tips & Troubleshooting

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

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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.

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Commercial Limited Warranty

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

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Options Available:
Oil Guard™ System
Alternator (16)
Oil Pressure Switch
Straight Keyed Crank (1" & 1-1/8" Diameters)
Flexible Oil Drain Extension
Exhaust Mounting Studs
CARB Compliant Purge Ports

Product Literature

mid_block_product_literature_feb-2026

Learn more about Vanguard® Mid-Block V-twin engines by downloading our literature here.

Oil Guard System literature.

Learn more about the Vanguard® Oil Guard System and how it works by downloading our literature here.