Skip to content

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Product Summary

This small block Briggs Stratton Vanguard 18 HP, 570cc V-Twin OHV Vertical Engine is designed and engineered to handle the most demanding commercial applications. Energetic and quick starting, this powerhouse engine features a variety of advanced technologies and integrated components, while also being lighter and more compact than the engines of leading competitors. Not for sale in CA.

What's Included

    (1) Briggs & Stratton Vanguard V-Twin Vertical Engine, Model# 356777-0154-G1

Features + Benefits

  • Model# 356777-0154-G1; 18 HP, 570cc engine with 1in. dia. x 3 3/16in.L vertical shaft
  • V-twin OHV engine design
  • Magnetron electronic ignition for easy, dependable starts
  • Dura-Bore cast iron cylinder sleeve provides lasting durability
  • Engineered to handle the most demanding commercial applications
  • Advanced Debris Management system
  • Full pressure lubrication with spin-on oil filter keeps the engine running smoothly
  • Oil cooler helps to prevent overheating
  • Centrally located oil pump and pickup provides easier access
  • High efficiency head design
  • Lightweight piston and ring package
  • Dynamically balanced crankshaft for smooth operation
  • Low-profile Dual-Clean air cleaner keeps harmful particles out
  • Mechanical compression release
  • Poly-core blower housing
  • Commercial-style carburetor
  • Buyer protection package provides 3-year commercial limited warranty
  • 49 state compliant

Key Specs

AttributeSpecification

item#

100659

Brand

Briggs & Stratton

Manufacturer's Warranty

36 months parts/36months labor

Ship Weight

151.0 LB

Engine Displacement

570 cc

Engine Type

Vertical OHV Vanguard V-Twin Gas

Shaft Diameter

1 in

Shaft Length

3.18 in

Fuel Type

Gasoline

Start Type

Electric

Shaft Keyway

0.25 in

Crankshaft

Vertical

Cylinders (qty.)

2

Cylinder Bore

Cast Iron

Net Power Output

18 HP

Fuel Tank

No

Oil Capacity

1.5 qt

Low Oil Shutdown

No

Low Oil Alert

No
AttributeSpecification

Max. RPM

3,300

CARB Approved

No

Shaft Rotation (From PTO Shaft Side)

Counter Clockwise

Governor System

Mechanical

Ignition System

Electronic

Carburetor

Float

Lubrication System

Full Pressure

Auto Compression Release

Yes

Cooling System

Air

Bore

2.83 in

Stroke

2.76 in

Air Cleaner Type

Single Element

Choke Control

Remote

Fuel Filter

Yes

Charging System Amps

16

Muffler Included

No

Product Weight

95.0000 lb

Dimensions L x W x H (in.)

13.6 x 16.1 x 19.6 in

Warranty

Manufacturer's Warranty

36 months parts/36months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.