Caterpillar Inc., commonly known as CAT, is a well-known manufacturer of construction and mining equipment, including bulldozers. CAT bulldozers are renowned for their power, durability, and versatility. They are widely used in various applications such as construction, land clearing, mining, and infrastructure projects.

Here are some popular CAT bulldozer models:

1. CAT D6: The CAT D6 series is a range of medium-sized bulldozers known for their versatility and productivity. Models like the CAT D6T offer a balance of power and maneuverability, making them suitable for a wide range of applications.

2. CAT D8: The CAT D8 series includes large bulldozers designed for heavy-duty applications. These models, such as the CAT D8T, offer higher horsepower and larger blade capacities, making them ideal for demanding tasks like large-scale earthmoving and mining operations.

3. CAT D9: The CAT D9 series is a line of high-powered bulldozers designed for heavy-duty applications. These models, like the CAT D9T, are known for their exceptional pushing power and are often used in large-scale construction, mining, and land reclamation projects.

4. CAT D10: The CAT D10 series represents the largest bulldozers in the CAT lineup. These models, such as the CAT D10T2, are heavy-duty machines with immense power and impressive blade capacities. They are typically used in large-scale mining, quarrying, and earthmoving applications.

Key features and specifications of CAT bulldozers may include:

• Engine power ranging from several hundred to over 1,000 horsepower.
• Advanced transmission systems for smooth operation and efficient power transfer.
• Various blade options, including straight blades for general-purpose work, semi-U blades for improved carrying capacity, and full-U blades for maximum material pushing capabilities.
• Rugged undercarriage systems designed for durability and optimal traction.
• Comfortable operator cabins with ergonomic controls, excellent visibility, and advanced technologies for enhanced productivity and operator safety.