HD Cummins Tuning

Unlock the full potential of your HD Cummins with Tompkins Diesel custom tuning, built to deliver reliable power, improved efficiency, and enhanced drivability.

Whether your truck is used for towing, daily driving, or performance applications, our custom calibrations are designed to match your exact setup.

🔥 Key Benefits

• Up to 10–15% horsepower gains
• Up to 10% improved fuel efficiency
• Enhanced throttle response
• Smoother power delivery
• Improved drivability under load
• Safe, reliable custom calibrations

⚙️ Custom-Tailored Tuning

Every tune is built specifically for your truck based on your modifications, usage, and performance goals. This ensures optimal results whether you're towing heavy, daily driving, or looking for increased power.

📝 Important Information

Please be as accurate and detailed as possible when submitting your vehicle information, including:

• Year, make, and model
• Engine size
• Current modifications
• Primary use (towing, daily driving, performance, etc.)

Providing accurate details allows us to deliver the most effective and reliable tuning for your setup.

💪 Built for Cummins Performance

Tompkins Diesel custom tuning is designed for drivers who demand more—more power, more efficiency, and more control from their Cummins-powered truck.

*For off-road use only. Results may vary based on vehicle condition and modifications.