Take your American Truck Simulator experience to the next level with the ultimate powertrain upgrade! This mod provides a comprehensive overhaul for all original SCS trucks, offering a wide range of powerful engines and complex gearboxes to suit every hauling need.

Originally created by Rockeropasiempre and widely loved by the community, this pack has been fully reworked, optimized, and updated for ATS 1.57.xx by krmxszn.

KEY FEATURES:
14 New Engine Options: Ranging from efficient 440 HP to a monstrous 940 HP.
14 New Gearboxes: Includes 6, 12, 15, 16, and 18-speed transmissions with various retarder ratios.
Legendary Sounds: High-quality engine sounds adapted from Kriechbaum & SCS (Detroit, Cummins, CAT, Paccar).
Universal Compatibility: Works seamlessly with ALL 17 original SCS trucks (including the latest 2024 models and classics).

DETAILED SPECS:
Engines (HP Options):
440, 460, 500, 540, 600, 640, 700, 760, 780, 800, 860, 900, 920, 940 HP.

Sound Profiles:
Detroit Diesel Series 60: Used for 500, 700, 860 HP engines.
Cummins M11: Used for 440, 460, 540, 760, 900 HP engines.
Caterpillar C15: Used for 600, 780, 920 HP engines.
Paccar MX-13: Used for 640, 800, 940 HP engines.

Supported Trucks:
Freightliner (Cascadia 2019 & 2024)
Kenworth (T680, T680 2022, W900)
Peterbilt (389, 579)
Volvo (VNL 2014 & 2018)
International (Lonestar, LT, 9900i)
Mack (Anthem, Pinnacle)
Western Star (49X, 57X, 5700XE)

CHANGELOG (v57):
Updated for ATS version 1.57.xx.
Added full support for new truck models added to the game.
Fixed sound definitions for FMOD compatibility.
Optimized torque curves for better drivability.

CREDITS:
Mod Author/Update: krmxszn
Original Creator: Rockeropasiempre
Sounds: Kriechbaum, SCS, Robinicus, Harven, Slider_556
Testers: Cupido, Alejandro R35, krmxszn