How do diesel engine parts differ between brands？

Cummins: Known for their rugged, high-performance engines used in trucks, buses, and heavy equipment. Cummins engines often have a distinct architecture with features like the inline fuel pump.

Caterpillar: Specializes in large, industrial diesel engines for heavy machinery like excavators, generators, and marine applications. Their engine designs prioritize durability and efficiency.

Perkins: Offers a wide range of diesel engines for various applications, from compact generators to agricultural equipment. Perkins is known for their innovative engine designs and fuel systems.