Aluminum alloys are the mainstay—so what tricks do automakers love when it comes to lightweighting?

Shenjia Hydraulics

Release Date:

2018-10-22

With the implementation of weight-based tolling, truck operators are placing increasingly stringent demands on vehicle curb weight, making lightweight models highly popular in the market. It is understood that materials such as aluminum alloy are now widely used in trucks precisely to reduce curb weight. Below, we highlight several common measures employed by truck manufacturers to lighten vehicle weight, explaining how the industry has mastered the art of lightweight design. The use of aluminum-alloy casings for transmissions has long been standard practice overseas; however, due to limitations in domestic manufacturing processes, it is only in recent years that transmissions with aluminum-alloy housings have begun to be widely adopted. As the leading domestic transmission manufacturer, Fast can be said to

With the implementation of weight-based tolling, truck operators are placing increasingly stringent demands on vehicle curb weights, making lightweight models highly popular in the market. It is understood that materials such as aluminum alloy are widely used in trucks to reduce curb weight. Below, we highlight several common strategies truck manufacturers employ to lighten vehicles, explaining how they leverage lightweight design to achieve significant weight savings.

Aluminum-alloy transmission housings have long been used overseas; however, due to limitations in domestic manufacturing processes, it is only in recent years that transmissions with aluminum-alloy housings have been widely adopted. As the leading domestic transmission manufacturer, Fast has been a key driver in the adoption of aluminum-alloy housings, pioneering their application in transmissions. Today, Fast’s aluminum-alloy-housed transmissions can be found in vehicles from manufacturers such as Ouman and Shaanxi Automobile.

As competition in the truck market intensifies, manufacturers such as Sinotruk and Jiefang have also launched gearboxes with aluminum alloy housings, aiming to reduce vehicle curb weight and win favor among customers. Take Jiefang’s CA12TAXM3 gearbox with an aluminum alloy housing as an example: compared with a cast-iron-housed gearbox, it weighs 108 kilograms less. Don’t underestimate that 108 kilograms—when tolls are calculated by weight, every extra kilogram counts, meaning operators can carry an additional 108 kilograms of cargo.

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