Piston rings / Ø94 mm / Kubota M7040 / Kubota V3307DI / V3307T

Engine piston rings with a diameter of 94 mm and a thickness of 2.00 x 1.5 x 3.00 mm for Kubota tractors of the Kubota M7040 series with Kubota V3307-DI, Kubota V3307T and other engines.

Piston rings seal the space between the piston walls and the cylinder walls. During the combustion of the fuel mixture in the engine chamber, chemical energy is exchanged for mechanical energy, which is why we care about the tightness of these two elements. The second important role played by piston rings in the engine is to scrape excess oil from the cylinder walls during the piston's movement, thus ensuring proper lubrication. In combustion engines, we distinguish three basic types of rings:

• sealing rings,
• scraper rings,
• compression-scraper rings.

When replacing the rings, special attention should be paid to the order in which they are placed on the piston. The rings are installed in the correct order, the scraper ring is installed first, the sealing ring second and the oil ring is installed third.

Dimensions :

• diameter: 94 mm,
• thickness: 2.00 x 1.5 x 3.00 mm,
• size: nominal / standard,
• the set contains 3 pcs.
• set of rings for 1 piston,
• reference numbers: 1G772-21052,
• original part numbers: 1G772-21050,
• part numbers: 6-26-100-73.

Tractor models :

Kubota :

• Kubota M7040.

Engine models :

• Kubota V3307DI ,
• Kubota V3307T.

First signs of wear of piston rings:

• higher fuel consumption,
• loss of engine oil,
• power loss,
• black smoke from the exhaust pipe of a hot engine,
• uneven engine operation at idle speed,
• unnatural, easily audible sound from the engine area,
• power loss,
• problems with starting the engine,

these are signals that it is time to replace the rings. All these symptoms should be consulted with a professional service for proper diagnosis and checking the engine for the need to replace the rings or repair the engine.

Magazine : K18:A14:S04

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