Prnewswire·2025-07-30 20:58Core Insights - Allison Transmission has launched the Allison 4000 Series™ fully automatic transmission, now compatible with the CARB low NOx compliant PACCAR MX-13 engine for Kenworth T880 and Peterbilt Model 567 trucks, aiming to optimize performance while reducing NOx emissions [1][2]. Company Overview - Allison Transmission is a leading designer and manufacturer of propulsion solutions for commercial and defense vehicles, recognized as the largest global manufacturer of medium- and heavy-duty fully automatic transmissions [6]. - The company was founded in 1915 and is headquartered in Indianapolis, Indiana, with a presence in over 150 countries and regional headquarters in the Netherlands, China, and Brazil [6]. Product Features - The Allison 4000 Series transmission is designed to balance performance and fuel efficiency, utilizing a torque converter to significantly enhance engine torque, improving startability and overall productivity [4]. - The transmission is available in various configurations, offering six or seven forward gears depending on the model [3]. Fuel Efficiency Technology - Allison's FuelSense® 2.0 technology is available on the Peterbilt Model 567 and standard on Kenworth T880 models, designed to optimize performance in automatic transmissions for commercial vehicles [5]. - This technology can provide quantifiable fuel savings of up to 6% by dynamically adjusting shift points and torque based on load and driving conditions [5].