2014-Present John Deere R4000 Sprayers Reflash

2014 - Present Models | Tier 4 Final Performance Solutions

Transform your John Deere sprayer's performance with professional ECM tuning from Reimer Tuning. Our specialized bench flashing service delivers significant horsepower increases and optimized engine performance for your Tier 4 Final equipment.

Supported Models

We provide professional ECM tuning for the following John Deere sprayer models:

R-Series Self-Propelled Sprayers:

• R4038
• R4030
• R4023
• R4045
• R4044

All models from 2014 to present model years

Our Service Process

Bench Flashing Service: Your engine control module will need to be removed and sent to our facility for professional bench flashing. We understand downtime costs money, which is why we've streamlined our process for maximum efficiency.

Next-Day Turnaround: We know your equipment needs to be back in the field quickly. That's why we offer industry-leading turnaround times with your ECM flashed and ready to ship the next business day after we receive it.

What You Get

Tier 4 Final Optimization: Our tuning solutions are specifically engineered for Tier 4 Final emissions systems, ensuring your sprayer maintains compliance while delivering enhanced performance.

Horsepower Increases: Unlock your engine's potential with meaningful power gains that translate to improved productivity and operational efficiency in the field.

Professional Quality: Every tune is custom-calibrated for your specific application, ensuring optimal performance, reliability, and longevity. Files are built here, in-house. We do not use any third party companies to tune. 

Protection & Warranty

One Year Warranty: We stand behind our work with a comprehensive one-year warranty on all ECM tunes, giving you peace of mind and protection for your investment.

Reflash Insurance Available: Protect your tuning investment with our optional reflash insurance coverage, available for all John Deere sprayer applications.

About Reimer Tuning

Reimer Tuning is proud to be owned and operated in Canada! Since 2014, we've been delivering professional ECM tuning solutions to agricultural professionals across North America. Our decade of experience and commitment to quality has made us a trusted partner for farmers and operators who demand the best from their equipment.

We're excited to work with you and help maximize your John Deere sprayer's potential. Whether you're looking to boost productivity during critical spray windows or simply want to get the most from your investment, our team has the expertise to deliver results.

Get Started Today

Ready to unlock your sprayer's full potential? Have questions about the tuning process or want to discuss your specific application?

Contact our sales team: sales@reimertuning.com

Let's discuss how Reimer Tuning can help take your John Deere sprayer's performance to the next level!