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What is Powertrain System?


The powertrain system consists of the internal combustion engine, transmission and differential/axle assembly.

As the heart of all machines, engine power pack is only the power resource, the engine power pack convert the chemical energy into rotating power, but how to transfer the rotating power into driving power of the vehicles or other industrial machines?

The powertrain system is the answer, which is converts the stored gasoline or diesel energy to kinetic energy in the engine and transfers it via the transmission, driveshaft and differential inside of axles as torque to the wheels of the vehicle, propelling it forward.


Based on the international well-known engines that produced in China, EMAC integrated world-leading powertrain system products, and developed our own powertrain system brand-DuraMac.

EMAC is the official exporting agent of Fast Group (joint venture of CAT AT transmission), Dongfeng-Dana Axle (Dongfeng and Dana joint venture), Komman air suspension (Leading brand in China in air suspension business line), by integrated all this leading brands together, DuraMac powertrain products covers the products range from diesel/gas engine and engine related system, clutch, transmission, transfer case, main shaft, axle and air suspension.


DuraMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support.

With affordable Chinese level prices, DuraMac provide abundant premium powertrain options to customers that widely used in buses, coaches, trucks, tractors, trailers and special vehicles, speed up process from vehicle design to prototype manufacturing and significantly decrease developing costs.

With years of rich powertrain supply experience, EMAC can quickly understand and respond to customer needs, greatly reducing customer communication costs. According to the working environment and requirements of our customers, we will provide the most cost-effective solutions, and help customer to avoid mismatching problems caused by multiple independent suppliers of powertrain components, which often caused lot of troubles for vehicle manufacturers.

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