Spintires - Mack B61 RS Truck V1.2

Reworked textures, sounds, added standard couplers.
Only the four-wheel drive truck was left.
In the archive there is an additional original yellow and white painting, with its own interior.

Version 1.2 for SpinTires (V03.03.16):
Added trailer 4 och from the author aleksandr.
Changes to textures.

Authors: Vlad&MIR