Mower gearbox exploded view

Mower Gearbox Exploded View

Mower Gearbox Exploded View – Enhance Your Knowledge of Gearboxes

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When it comes to the maintenance or repair of a mower gearbox, it’s essential to have a complete understanding of its parts and how they function. In this article, we’ll explore the exploded view of a mower gearbox and explain each component in detail.

Main Housing

The main housing is the outer part of the gearbox that holds all the internal components. It’s typically made of cast iron or aluminum for durability and strength. The housing includes the gear teeth, bearings, and shafts that support the gears’ rotation.

Input Shaft

The input shaft is located at the top of the gearbox and is connected to the power source, which could be the engine or PTO shaft. It transmits the power to the gearbox and rotates the gears, which ultimately drive the wheels.


Gears are essential elements of the gearbox, responsible for transmitting power to the wheels. Different gears have different ratios, which determine the speed at which the wheels rotate. The most common types of gears found in mower gearboxes include spur gears, helical gears, and bevel gears.


Bearings support and guide the rotation of the gears and shafts. They reduce friction between the moving parts and ensure smooth and efficient movement. The most commonly used bearings in mower gearboxes are ball bearings, roller bearings, and needle bearings.


Seals prevent oil from leaking out of the gearbox and keep dirt and contaminants from entering. They’re typically made of rubber or silicone and are located in various parts of the gearbox, such as the input shaft, output shaft, and bearings.

Output Shaft

The output shaft is located at the bottom of the gearbox and is responsible for transmitting power to the wheels. It rotates at a speed determined by the gear ratio and drives the wheels through a coupling mechanism.


Now that you have a better understanding of the mower gearbox and its components, you can better maintain and repair it. Remember to regularly check the gearbox oil level and replace it as necessary. Keep an eye out for any leaks or unusual noises, which could indicate a problem with the gearbox. With proper care, a mower gearbox can last for many years, ensuring your lawn stays looking beautiful.

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Author: Czh