Lawn tractors Simplicity

Simplicity SunStar 18 Engine

Simplicity SunStar 18
Simplicity SunStar 18

Engine

Engine options
Engine
18HP Kohler 691cc 2-cyl gasoline
18HP Vanguard 569cc 2-cyl gasoline
Engine Detail
Engine Kohler M18
Fuel gasoline
Cylinders 2-cylinder
Cooling / layout air-cooled horizontal-shaft opposed-twin
NotesFull-pressure lubrication. The Kohler was used through the 1994 model year.
Displacement691 cc
42.18 ci
Bore/Stroke3.125x2.75 inches
79 x 70 mm
Power (gross)18 hp
13.4 kW
Air cleanerdual element
Compression6.0:1
Rated RPM3400
Torque29 lb-ft
39.3 Nm
Torque RPM2600
Starterelectric
Starter volts12
Oil capacity1.5 qts
1.4 L
SparkplugChampion RV15YC
Sparkplug gap0.025 inches
0.635 mm
Engine Detail
Engine Vanguard 350447
Fuel gasoline
Cylinders 2-cylinder
Cooling / layout air-cooled horizontal-shaft V-Twin
NotesThe Briggs Vanguard was replaced the Kohler in 1995 and was used through the end of production.
Displacement569 cc
34.75 ci
Bore/Stroke2.83x2.75 inches
72 x 70 mm
Power (gross)18 hp
13.4 kW
Air cleanerdual element
Rated RPM3600
Starterelectric
Starter volts12
Oil capacity1.75 qts
1.7 L

Values may vary by engine, transmission or configuration. View source page