Includes
High-detailed external model of the WS4900 SF variant.
A number of chassis types.
Various external accessory nodes:
A number of bumpers/mud flaps.
A number of mirror types.
A number of visor types.
A number of headlight types.
A number of side step types.
A number of exhaust types.
A number of light and horn configurations.
A wet kit.
A headache rack.
A number of air cleaners.
A number of mudguards.
A number of hood ornaments. 
High-detailed interior model of the WS4900.
Working DataStar.
Fully animated, including the accelerator and brake.
The camera can be moved into the rear of the cabin.
Realistic dashboard lights and colours.
HD textures.
Various interior accessory nodes or options:
Changeable dashboard materials.
Changeable CB radios.
Changeable radios.
Changeable seat colours.
Changeable interior colours.
Interior lights.
Changeable GPS.
Changeable gear stick.
Changeable bedding.
Changeable decor.
Compatible with Cabin Accessories Pack

Credits
Zeemods