The BD Diesel 2019-2022 Dodge 4WD 68RFE Transmission and Converter Stage 4 Package offers a comprehensive upgrade designed for demanding diesel applications. This matched set has been dyno tested together to ensure optimal performance, reliability, and durability under severe towing, street, or track conditions. The package includes a high-performance transmission with a BD heavy-duty aluminum pan that increases fluid capacity and enhances cooling, reducing case flex and promoting long-term operation. The assembly features BD’s own QT100 pressure plates, allowing for increased clutch counts, which improves torque capacity and engagement smoothness. Custom tuning is required for 2019 and newer models to accommodate increased line pressure, with a line pressure controller not included. The valve body incorporates a bonded gasket separator plate that elevates line pressure while preventing internal leaks, contributing to consistent clutch engagement and overall transmission health. Riveted pistons ensure proper alignment and eliminate vibrations caused by welding, further supporting reliable operation over time.
The transmission features a steel girdle added to the 2C piston, enabling more clutches and broader apply areas for enhanced torque handling. BD’s hardened anodized valve body and new solenoid pack are installed in every unit to withstand extreme conditions. Turbine fins are furnace brazed for improved fluid coupling efficiency, while the heavy-duty cam and roller low reverse one-way clutch enhances durability in severe duty scenarios. Overdrive and 2C clutches are increased by 33% to manage higher torque loads, and the overall weight is reduced by 12 pounds compared to competitors, aiding in vehicle responsiveness and efficiency. Additional components such as the steel girdle, reinforced accumulator plate, and tight tolerance assembly ensure long-term reliability. The package also features a taller rebuildable cover, HD springs for shock absorption, and a cast stator design that maximizes torque transfer while preventing warpage from clutch heat. For optimal performance, always replace the pilot bearing, throwout bearing, and resurface or replace the flywheel during installation, following the manufacturer’s break-in procedures for best results.
This upgrade is engineered to meet the demands of heavy-duty diesel fleets and enthusiast builds, providing a robust transmission solution that offers increased torque capacity, thermal management, and long-term drivetrain integrity. Whether for towing heavy loads or high-performance street use, the BD Diesel Stage 4 transmission and converter package is a reliable choice for your diesel powertrain.
Features:
- Heavy-duty torque capacity designed for severe fleet duty and high-torque diesel applications
- Premium friction materials for smooth, consistent clutch engagement and durability
- Enhanced thermal capacity to prevent clutch slippage during heavy towing and extended operation
- Long-term drivetrain reliability supported by reinforced components and precision engineering
Fitment:
Ram 2500 Big Horn 2019 to 2022
Ram 2500 Laramie 2019 to 2022
Ram 2500 Laramie Longhorn 2019 to 2022
Ram 2500 Limited 2019 to 2022
Ram 2500 Limited Longhorn 2021 to 2022
Ram 2500 Lone Star 2019 to 2022
Ram 2500 Tradesman 2019 to 2022
Ram 3500 Big Horn 2019 to 2022
Ram 3500 Laramie 2019 to 2022
Ram 3500 Laramie Longhorn 2019 to 2020
Ram 3500 Limited 2019 to 2022
Ram 3500 Limited Longhorn 2021 to 2022
Ram 3500 Lone Star 2019 to 2022
Ram 3500 SLT 2019 to 2022
Ram 3500 Tradesman 2019 to 2022





















