Performance Tuner for 6.8L John Deere Tier IV engines - JD2684F

AG Diesel Solutions JD2684F Performance Module for 6.8L John Deere Tier 4 Final Engines

Unlock the full potential of your equipment with the AG Diesel Solutions JD2684F Performance Module. Engineered, built, and tested by PSI Power specifically for 6.8L John Deere Tier 4 Final engines. Designed for farmers and construction crews, this plug-and-play diesel performance module delivers more horsepower, higher torque, and improved fuel efficiency — all while keeping your engine safe and without affecting emissions.

Whether you’re running long days in the field or managing demanding workloads, the JD2684F module gives your John Deere-powered machinery the strength, responsiveness, and reliability you need to get the job done faster.

Key Features & Benefits

Increased Horsepower & Torque
Experience noticeable gains in pulling power and throttle response. Tackle larger implements, move faster in the field, and make tough jobs easier with added engine performance exactly when you need it.

Enhanced Fuel Efficiency
Save on diesel costs while maintaining peak power. Optimized fuel delivery ensures your engine runs more efficiently — helping you spend less time fueling and more time working.

Plug-and-Play Installation
Install your module in minutes — no cutting, splicing, or special tools required. The simple plug-and-play design makes upgrading your equipment quick and hassle-free.

Warranty-Safe Performance
Designed to work seamlessly with factory settings, our modules do not affect emissions or leave a trace on your ECM. Maintain full factory warranty protection while enjoying improved performance and durability.

Adjustable Power Settings
Choose your preferred power level with the included 3-position mechanical switch or on the Ag Diesel Connect Bluetooth app. Customize your performance on the go for any task or condition.

Guaranteed Quality

• 30-Day Money-Back Guarantee – Try it risk-free.

• 3-Year Manufacturer’s Warranty – Built to last and backed by industry-leading support.

Why Choose AG Diesel Solutions?

Trusted by professionals nationwide, AG Diesel Solutions Performance Modules are precision-engineered to help you work smarter — not harder. Boost productivity, reduce operating costs, and extend the life of your equipment.

Experience more power, improved fuel efficiency, and proven results with AG Diesel Solutions.