Proton X50 1.5TDGi engine

Proton X50’s innovative Engine Technology

As we all know, the New Proton X50 was recently rolled out online due to the current partial lockdown. Since its unveiling, the X50 has been well received at dealerships, in particular because this compact SUV by Proton has been a much anticipated model for some time.

This game-changing SUV is expected to top Proton’s current top seller, the X70, thanks to its innovative engine technology and a ‘somewhat’ affordable price range. The top-of-the-range X50 takes up a 1.5L TGDi engine, paired to a 7-speed dual clutch transmission (7DCT). The engine was jointly developed by Proton’s Chinese backers Geely and Volvo at the Volvo plant in Gothenburg, Sweden and the Geely Automotive Research Institute in Hangzhou. Proton’s Chinese partners have invested close to RM13 million for such R&D developments for the past decade.

The heart in the new Proton X50, the 1.5l TGDi, was awarded the China Automotive Industry accolade on 28 October for its dependable and proven powertrain. This engine has proven to provide exemplary performance, reliability and efficient fuel consumption, as well as boast a lightweight structure. To date, this engine is utilized in 600,000 cars produced by Geely across the globe.

Although the 3-cylinder engine is reliable and somewhat efficient, it has been known to be a little rough on the edges. Geely has assured customers that they are fine-tuning it by carrying out 120 NVH optimisation exercises which included the dedicated design of 12 key parts such as a vibration damping balancer shaft and dual mass flywheel with centrifugal pendulum absorber damper.

Speaking of the powertrain, the seven-speed transmission has been developed based on Volvo’s standards. It boasts a maximum efficiency of 97.2% and 0.2 second shift response time. This transmission is utilized in over a million cars worldwide.

In a latest development, the 1.5TD and 7=speed DCT is exported to 11 countries, including Malaysia. Geely expects to cover a total of 27 countries by 2021.

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