The Allison Transmission TC10 transmission offers five percent better fuel economy for tractor trucks, demonstrating an improvement over manual and automated manual transmissions. Tested by 100 different fleets in real world duty cycles over the last two years, it has been shown that the better fuel economy, coupled with renowned reliability, durability and ease of operation. The transmission comes designed for both city and highway tractor duty cycles and provides a blended architecture with full power shifts, a torque converter and a twin countershaft gear box. Benefits from being rated up to 600 horsepower and 1,700 pound-feet of torque at launch, with 10 forward speeds and two reverse.