Timing bearing / Yanmar 3TNE78/3TNE84/3TNE88/4TNE84/4TNE88/3TNV82/3TNV84/3TNV88/4TNV86 / Yanmar EF352T/EF453T / 129795-02412

Camshaft bearing (shaft 129129-14580) with an internal diameter of 45 mm , an external diameter of 48 mm and a height of 22 mm for Yanmar tractors of the Yanmar EF352T, Yanmar EF453T series with Yanmar 3TNE78, Yanmar 3TNE84, Yanmar 3TNE88, Yanmar 4TNE84, Yanmar 4TNE88, Yanmar engines 3TNV82, Yanmar 3TNV84, Yanmar 3TNV88, Yanmar 4TNV86 and others.

The connecting rod bearing, a sliding bearing, is an element whose main task is to reduce friction at the point of connection of the camshaft with the engine block. The acetabulum consists of two separate, semicircular elements that, when installed, form a circle (or one-piece sleeves). The bushing (although not all types) also have a small groove or incision through which the lubricant is distributed. The most common reasons for rapid wear of connecting rod bearings are:

• using oil with incorrect viscosity parameters,
• improper installation of the bearings,
• failure to comply with oil change deadlines,
• low engine oil level,
• overload of the engine that has not reached the proper temperature,

Dimensions :

• inner diameter: 45 mm,
• outer diameter: 48 mm,
• height: 22 mm,
• original part numbers: 129795-02410, 129795-02411, 129795-02412,
• part numbers: 6-14-120-01.

Engine models :

• Yanmar 3TNE78,
• Yanmar 3TNE84,
• Yanmar 3TNE88,
• Yanmar 4TNE84,
• Yanmar 4TNE88,
• Yanmar 3TNV82,
• Yanmar 3TNV84,
• Yanmar 3TNV88,
• Yanmar 4TNV86.

Tractor models :

Yanmar :

• Yanmar EF352T,
• Yanmar EF453T.

The first signs of worn connecting rod bearings are an unnatural, constant knocking noise coming from the engine. Worn bushings must be replaced with new ones as soon as possible, replacing a faulty element too late may result in serious damage to the shaft, connecting rod or engine.

Magazine :
M01:A32:S01