![]() ![]() The emission savings are remarkable: Compared with a purely conventional drive of the 8HP predecessor variant, a plug-in hybrid with the new 8HP generation emits up to 70 percent less CO 2 according to Worldwide Harmonized Light Vehicle Test Procedure (WLTP). ![]() The priority aim in development, however, was not. These cars could therefore complete a large part of the average daily driving distances (in Germany) in purely electric driving mode. ZF has developed a new automatic transmission for cars with eight speeds that can achieve 11 fuel savings. This puts PHEV vehicles with the new 8HP on a par with pure electric vehicles: Depending on the manufacturer and the battery size used, pure electric ranges of over 100 kilometers are possible. ![]() With the PHEV version, powerful electric motors integrated into the transmission housing enable purely electric driving performance of up to 160 kilowatts and a torque of 450 Nm – almost doubling compared to the previous generation. The 8HP75 is a closed loop control system that uses sensors to monitor engine speed, vehicle speed, and throttle position. It features eight forward gears and one reverse gear. This transmission is designed for both gas and diesel engines. This is particularly the case with mild hybrid and plug-in hybrid variants (PHEV). The 8-speed transmission in the Ram 1500 is a ZF 8HP75. In order to be able to offer the OEM as many advantages as possible, ZF engineers have once again significantly increased the degree of integration and optimally utilized every millimeter of installation space. I drive three pedal manual but would not put the ZF 8 into the soulless mass produced commuter transmission, simply because the shift speeds are so good. After years of intensive preparation, ZF is now starting series production of its new 8-speed automatic transmission for passenger cars. ![]()
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