Detroit Diesel High Torque Engines + Allison 4500 v1.4
Includes 2 Detroit Diesel engines, 14.8L DD15, 15.6L DD16. Includes 1 Transmission, Allison 4500. This...
Speed Torque HP (horsepower) and PS Engine MOD for Kenworth T680
This mod added some horsepower to the Kenworth T680 15si Engine (550hp engine) for the...