ingersoll lawn tractors 4016

1989 - 2004
4000 Series
Garden tractor

Engine options
16HP Onan 709cc 2-cyl gasoline
16HP Briggs & Stratton 480cc 2-cyl gasoline

Engine Detail
Onan P216
gasoline
2-cylinder
air-cooled horizontal-shaft horizontally-opposed
The Onan P216 was the original engine in the Ingersoll 4016, used through 1992.
Displacement	709 cc 43.3 ci
Bore/Stroke	3.25x2.875 inches 83 x 73 mm
Power (gross)	16 hp 11.9 kW
Compression	6.5:1
Rated RPM	3600
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

Engine Detail
Briggs & Stratton 303777
gasoline
2-cylinder
air-cooled
The Briggs & Stratton engine was used in the 4016 starting in 1993.
Displacement	480 cc 29.3 ci
Bore/Stroke	2.677x2.60 inches 68 x 66 mm
Power (gross)	16 hp 11.9 kW
Rated RPM	3600
Starter	electric
Starter volts	12
Sparkplug	Champion RC12YC
Sparkplug gap	0.030 inches 0.762 mm