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18hp Briggs Vanguard 570cc w/ Tank, Electric & Recoil Start, 16 Amp alt, w/o Muffler – 356447-0054-F1


THE go-to, biggest engine that will fit our Medium Mud Motor Kit. The 18hp engine by Vanguard Briggs (570cc) two-cylinder engine.

Ships Direct from the Manufacturer
3 Year Manufacturer’s Warranty


Oil Filter Adapter

Product Description

This 570cc Briggs and Stratton v-twin engine puts out 18hp. Being a two-cylinder engine, you will get less vibration compared to a single cylinder engine, but will still have good fuel efficiency compared to a single-cylinder engine.

• Recoil Starter AND Electric Start
• 50-State CARB Compliant
• Horizontal 1” Keyway Shaft that is 2-29/32” long
• 3-year Manufacture Limited Warranty (consumer)
• 3-year Manufacture Limited Warranty (commercial)
• Assembled with a Fuel Pump and a Fuel Tank
• 16 Amp Charging System
• Manual or Remote Choke Control
• Dura-Bore Cast Iron Cylinder Sleeve
Does NOT come with mufflers unless you use the checkboxes

The 18hp engine by Vanguard can be used to repower many things from mud motors, grinders, drift bikes, water pumps, mowers, and go-karts.
With this 18 HP engine, we offer a couple of options that you can add via the checkboxes above:

  • High mount muffler with a starter side exhaust outlet (part #690906) +$145
  • 90-degree exhaust elbow if you wanted to point the exhaust gasses a certain direction (part #495518) +$16
  • Wire muffler guard & heat shield to help prevent things from touching the muffler while also re-directing heat away from the gas tank (part #691571) +$65
  • Oil filter adapter that relocates the oil filter. This is needed when purchasing an engine for use with one of our Swamp Runner Kits (part #808033) +$63

If you’re looking for a more fuel-efficient engine, that will still fit our Medium Swamp Runner kit check out the 16hp engine

The old engine number was 356477-0596-F1. The new engine number is 356447-0054-F1.

SHIPPING: By freight to the continental United States only. This item does not ship to Alaska, Hawaii, Puerto Rico, or Canada.
Upon delivery immediately inspect items. If damaged, photograph the damage, refuse to accept the item from the carrier, and contact Swamp Runner immediately.
RETURN POLICY: This item ships directly from the manufacturer, and they DO NOT ACCEPT RETURNS (unless an item is damaged or an incorrect item is shipped)
WARRANTY: 3 Year Manufacturer’s Warranty
For warranty repairs contact your nearest Authorized Briggs & Stratton Service Center

With having the gas tank mounted on top of the engine, we highly recommend getting the Wire Muffler Guard and Heat Shield to help protect your gas tank. We also offer a 90-degree Exhaust Elbow which helps redirect the exhaust gases downward.

When using a 16hp or 18hp vanguard engine with our Medium Swamp Runner Kit, you will need this Oil Filter Adapter. With the engine mounted to the kit, the engine base side rails prevent the complete removal of the oil filter. This part will fix that.


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