ingersoll lawn tractors 4020

1989 - 2004
4000 Series
Garden tractor

Engine Detail
Onan P220G
gasoline
2-cylinder
air-cooled horizontal-shaft horizontally-opposed
Displacement	781 cc 47.7 ci
Bore/Stroke	3.25x2.875 inches 83 x 73 mm
Power (gross)	20 hp 14.9 kW
Compression	7:1
Starter	electric
Starter volts	12
Sparkplug	Champion RS14YC
Sparkplug gap	0.025 inches 0.635 mm
Intake valve clearance	0.005 inches*Cold 0.127 mm
Exhaust valve clearance	0.013 inches*Cold 0.330 mm