Core Viewpoint - The heavy-duty truck industry is experiencing a vibrant "golden September" season, with a significant number of new models being introduced, indicating intense competition and potential shifts in market dynamics [1][3]. Group 1: New Vehicle Announcements - The Ministry of Industry and Information Technology has released the 399th batch of new vehicle announcements, featuring 35 new models in the tractor category, including 9 traditional energy vehicles and 26 new energy vehicles [1][3]. - Compared to the previous batch, the number of new tractor applications has decreased by 5, with notable increases in battery swap vehicles and fuel cell vehicles [3]. Group 2: Scania's New Models - Scania has submitted three new diesel tractor models for domestic production, marking its first application for domestic vehicles in China, featuring a unique "Chinese logo" [5][14]. - The new Scania tractor has dimensions of 6910mm in length, 2535mm in width, and a total weight of 26 tons, equipped with a 12.7-liter diesel engine offering power options of 339 kW (approximately 461 hp) or 369 kW (502 hp) [7][8]. Group 3: China National Heavy Duty Truck Group - China National Heavy Duty Truck Group has introduced a new generation of fuel tractors, featuring a streamlined design and advanced technology aimed at meeting new market demands [16]. - The new model boasts a low drag coefficient of 0.43Cd and can be equipped with engines from either China National Heavy Duty Truck or Weichai, with a maximum output of 680 hp [16]. Group 4: New Energy Vehicles - JAC Motors has announced a new pure electric tractor in collaboration with DeepWay, featuring a dual-motor setup with peak power options of 290 kW or 300 kW [19][23]. - China National Heavy Duty Truck has the highest number of new energy tractor applications in this batch, with 6 models, including 4 battery swap tractors, showcasing a shift towards innovative battery layouts [24][27]. Group 5: Sodium-Ion Battery Technology - Xiamen Golden Dragon has introduced a new pure electric semi-trailer tractor utilizing sodium-ion battery technology, which is noted for its safety, longevity, and cost-effectiveness [30][34]. - This model may represent the world's first commercial vehicle equipped with sodium-ion batteries, highlighting advancements in energy storage solutions [34]. Group 6: Market Dynamics - The heavy-duty truck market is undergoing significant changes, with various manufacturers introducing innovative technologies and models, indicating a competitive landscape where any player with core technology could emerge as a market leader [35].