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 combo easily hauls anything.

Changelog:
v 1.2 * Fixed problem with Engines not working with Peterbilt trucks.
v 1.3 * I’m an idiot and put the wrong download link.
v1.4 * Added support for Kenworth w900 and added sound.