Disc brakes use a pair of brake pads that clamp onto a rotating disc, also known as a rotor. The rotor is made of a durable material, such as cast iron or steel, and it is attached to the wheel hub. When the brake pedal is pressed, hydraulic fluid is forced through brake lines to the brake caliper, which is located near the wheel. The caliper then uses pistons to apply pressure to the brake pads, which force them against the rotor. The friction between the brake pads and the rotor slows down the wheel, which in turn slows down the vehicle.

Drum brakes use two brake shoes that press against the inside of a rotating drum.

The drum is located inside the wheel hub, and it is made of a durable material, such as cast iron or steel. 

When the brake pedal is pressed, hydraulic fluid is forced through brake lines to the brake wheel cylinder, which is located near the wheel. The brake wheel cylinder then uses pistons to apply pressure to the brake shoes, which force them against the inside of the drum. 

The friction between the brake shoes and the drum slows down the wheel, which in turn slows down the vehicle.

Here is a table that summarizes the key differences between disc brakes and drum brakes: 

In general, disc brakes are considered to be the better option for most vehicles. They offer better stopping power, durability, and maintenance intervals than drum brakes. However, drum brakes are less expensive, so they may be a better option for some vehicles, such as commercial trucks and buses.

Here are some additional things to consider when choosing between disc brakes and drum brakes:

Vehicle type: Disc brakes are typically found on the front wheels of most vehicles, while drum brakes are typically found on the rear wheels. However, there are some vehicles that have disc brakes on all four wheels.

Driving conditions: Disc brakes offer better stopping power in wet conditions than drum brakes. If you live in an area with a lot of rain or snow, disc brakes may be a better choice for you.

Budget: Disc brakes are typically more expensive than drum brakes. If you are on a tight budget, drum brakes may be a better choice for you.

We are Shandong Hangtang Machine Co., Ltd. Our company is located in Ji'nan City, Shandong province, where Sinotruk's headquarter is based. For the past 15 years, we have been exporting trucks and parts for customers from Africa, America, Asia and Europe. We win our customers' trust not only by quality yet moderately-priced products but also our services. 

If you are looking for parts for Howo, FAW, Shacman, Foton, Beiben or Sinotruk, you are in the right place! Please feel free to contact us. We believe you are going to be our next happy customer.