TRI-DRIVE HEAVY HAUL FOR VIPER'S 389 V1.4.0 1.32.X

This is a standalone chassis mod, not Vipers Truck.

v1.4.0:
- Updated for game version 1.32
- Added steer axle variant
- Added custom fenders for steer axle
- Included air lines

Info about Tri-Drive for Viper 389:
The intention is to provide a modified chassis file intended for heavy haul usage.

Please place this higher priority than Vipers truck.