Description

800-gallon fuel tanks for the 6×4 chassis long, medium and short.
800-gallon fuel tanks for the 4×2 chassis.
Improved torque curve for the stock engines, faster acceleration better hill climbing and maneuverability. Also available for quick job trucks.
Added three engines for both 2019 and 2024 versions, DD13, DD15, DD16 625 HP 2,250 lb-ft torque @ 975 RPM
Added DD13, DD15, DD16 850 HP engines.
Added Cummins ISX 15 850 Hp engine to Cascadia 2019

All engines have increased fuel efficiency closely matching the 2024/2025 freightliner advertised fuel efficiency.
Added Paccar transmissions with and without retarder.
Diff ratios 2.26, 2.64, 2.85, 3.08, 3.25
Speeds 8, 10, 12, 18
Transmissions are based on real Paccar Transmissions.
Improved Headlight brightness
Improved Sound Proofing

⭐ Popular Mod! More than 2190 downloads in total!

💡 Others also downloaded: Engines [1.50-1.58] 27 03 2026, International Lonestar Harley Davidson V11.8, Coca Cola Mercedes Benz Sprinter Trzpro 05 11 2025 [1.50-1.56].

Compatibility: ATS 1.55, 1.54, 1.53

Author: BillyBone99

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4.8 out of 5 stars - 19 votes

How to install this mod (Full installation guide)

Download and extract the mod. File extension should be .scs (ModsHost download guide).
Find the mods folder on your computer
- Windows – /Documents/American Truck Simulator/mod
Copy the downloaded file to your Mods folder
Launch the game and enjoy your mod!

Problems? Let us know in the comments! Your feedback helps modders improve the mod. Also, be sure to check the comments section - other players may have already shared solutions to common issues.