The washing machine is a good straight drive, or a pulley
Belt wheel manufacturer production cost is low, so the price will be cheaper, lower power, relatively more save electricity. For maintenance, as long as it is the product of some of the more famous manufacturer, quality is also good, three to five years is no need to worry, if you want to find a belt is very cheap and convenient.
Each has its advantages, mainly depending on your needs. For example: 1 straight drive, the noise will be smaller, but the price may be higher, and the power is larger, apply some of the industry, or a person in the family, from safety, like something stuck, serious hurts also burn out motor will have protection measures, such as high-grade some)
Really want that one, mainly depends on your demand, but the market of pulley drive is more, because of the strong ability to adapt to the market, to meet the needs of most people.