Engine Piston / Ø 84 mm / STD / Shibaura N843

Engine piston (rings 115107970) with an outer diameter of 84 mm and a total height of 87.50 mm for Shibaura tractors with Shibaura N843 engines and others. The engine piston is a moving element responsible for converting gas and energy generated during combustion to the crankshaft, i.e. further to engine power. The piston is connected to the crankshaft by an element called a connecting rod with pin connections. At the top of the piston there are annular channels for mounting the piston rings, in the middle there is a hub for connecting to the connecting rod. At the top there is a so-called bottom, which, depending on the type of engine, may have a different shape. Due to work in very difficult conditions, engine pistons are most often made of aluminum and silicon alloys.

Dimensions :

• outer diameter: 84 mm,
• height: 71 / 87.50 mm,
• pin hole diameter: 28 mm,
• pin diameter: 27.90 mm,
• pin length: 72 mm,
• valve seat depth: 2.00 mm,
• distance from the end of the pin hole to the lower edge of the piston: 9 mm,
• Distance from edge of pin hole to top of piston: 33.50 mm.
• ring groove width () from the top of the piston: 2.00 / 1.50 / 3.00 mm,
• original part number: 115017581, SBA115017581,
• comparison numbers: -,
• part numbers: -.

Engine models :

Shibaura :

• Shibaura N843.

Tractor models :

Shibaura :

• Shibaura D23.

Magazine : M01:A43:S01

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years