Farm Machinery Practice Test: Lubrication System and Tractor’s Classification — Flashcards

Lubrication System and Tractor’s Classification topics include: Lubrication system, tractor classification details, tractors types, numerical problems on tractor parameters, forced feed system principles and tractors selection process.

Here are some lubrication systems used in tractors:
Splash lubrication system: In this system, a dipper at the bottom of the connecting rod picks up oil from the oil sump or pan and moves it up to the engine components.
Force feed lubrication system: This system uses a gear type pump driven by the camshaft to generate pressure and ensure oil reaches all critical components.
Pressure-fed lubrication: This is a lubrication system used in diesel tractor engines. 

Other types of lubrication systems include:
Recirculating oil system
Air-oil lubrication system 

Tractors can be classified based on usage, size, or power:
Utility tractors: Designed for the agricultural industry, these are multi-use vehicles that can pull, plow, till, and perform other general farming work.
Industrial tractors: Also known as tuggers, these small tractors are known for their height and width. They are used in the construction industry and can also be used in agriculture to haul heavy loads or carry heavy weights around.
Compact tractors: These tractors offer a balance of strength and agility. They have similar maneuverability to sub-compact tractors, but their higher horsepower allows them to handle more heavy-duty tasks.
Row crop tractors: These tractors are used for farming crops that grow in rows. They can help with weed control, plowing, leveling dirt, pulling seed drills, and harrowing.
Wheel type tractors: These tractors have three or four pneumatic wheels. Four wheel tractors are the most popular type.
Orchard tractors: These tractors have narrow tires that allow them to work in tight spaces.
Articulated tractors: Also known as crawler tractors, these are the most common type of tractor used today. They are used for various purposes, such as ploughing fields, moving earth, and digging ditches.
Implement carrier tractors: These tractors come in different sizes and designs and are used for farming activities such as loading, spraying pesticides, drilling, rotary sweeping, and drilling seeds. 

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