First versions of the motor showed increased performance over the previous 6.2-liter, advertising output at 190 hp and 380 foot-pounds of torque. You Can See All Our Products and Services Here: GM 6. GM developed the 6.5-liter, 397-cubic-inch engine in 1992. Every year, International Diesel Ltd remanufactures over 5,500 diesel and gas engines of all sizes and makes, from on-highway to off-road and industrial and marine CALL FOR DETAILS 1-63 Two years later the normally aspirated engine was replaced with a new 6.5 turbodiesel with. Read through key specs for this engine to learn what it has to offer. However, at work, the two engines may perform very differently. A 155-horsepower, 6.5-liter diesel replaced the 6.2-liter in 1994. Kubota D1105 (1. Shatter expectations with the Power Stroke turbo-diesel V6. Since there is a fixed relationship between HP (or kWm) and torque, two engines having the same horsepower at the same RPM will have the same torque. Diesel engine has a lot of torque and gives good fuel mileage. Us Engine Production Inc Remanufactured a complete line of diesel and gas engines including GM, ford, Caterpillar, Cummins, Detroit, Isuzu, OPTIMIZER 6500 , GM 6.5 Turbo Diesel, 6.2 Diesel , 6.6 Duramax, International, and Perkins We offer both immediate exchange and custom remanufacturing programs designed to minimize your downtime. X 5252 / RPM) but torque is often misunderstood. The 6.5L Turbo Diesel doesnt make the rear end chirp the pavement, but rather it feels.