What is the difference between 4102 and 4105?

[DeJayden]

4102,4105: The first digit represents the number of cylinders, and the last three digits represent the cylinder bore (in millimeters). 4102 is a diesel engine with 4 cylinders, each with a diameter of 102 millimeters; 4105 is a diesel engine with 4 cylinders, each with a diameter of 105 millimeters. 4102 and 4105 are models of diesel engines. Here is some relevant information about diesel engines: 1. A diesel engine is an internal combustion engine that uses diesel as fuel. Diesel engines are compression-ignition engines and are often called Diesel engines after their main inventor, Rudolf Diesel. 2. When a diesel engine is working, the air drawn into the engine's cylinders is highly compressed by the movement of the pistons, reaching a high temperature of 500-700°C. Then, fuel is injected into the high-temperature air in the form of a mist, mixing with the air to form a combustible mixture that ignites and burns automatically.