When it comes to heavy-duty trucks, Cummins engines are known for their durability, performance, and industry-leading innovation. Servicing these powerful engines, however, demands more than just mechanical know-how—it requires precision-built tools that can withstand the rigorous demands of professional truck repair. At Tillman Tools, LLC, we proudly offer a superior collection of Cummins Truck Engine Tools designed to deliver consistent performance and dependable results for every mechanic and technician.

Engineered for the Toughest Diesel Jobs
Cummins engines, especially the ISX and X15 series, are complex, high-performance powerplants. Their intricate systems require specialized tools for diagnostics, disassembly, repair, and reassembly. Our range of Cummins Specialty Tools is carefully engineered to provide perfect alignment, torque accuracy, and long-term durability to support the most demanding repair jobs.
Whether you're working in a high-volume diesel repair shop or managing fleet maintenance, Tillman Tools, LLC supplies the professional-grade equipment you need to do the job right—every time.

Explore Our Full Range of Cummins Truck Engine Tools
From valve adjustments to injector servicing and camshaft alignments, our extensive inventory of Cummins Truck Engine Tools has every critical component covered. We stock tools for routine maintenance, complex repairs, and complete engine overhauls.
Top Cummins ISX Tools We Offer
Our Cummins ISX Tools are trusted by professional diesel mechanics across the country and include:
Injector cam timing tools – Ensure accurate injector timing for optimal fuel economy and engine output


Jake brake tool kits – Proper adjustment and inspection of the engine brake system


Engine barring tools – Rotate and position the crankshaft for service procedures


Overhead adjustment tools – Precisely set valve and injector lash for top-end maintenance


Each of these tools is crafted with exact tolerances to fit seamlessly with Cummins ISX and X15 engines, reducing guesswork and preventing errors during service.
Fuel System and Injector Tools
Fuel injectors are at the heart of Cummins performance. Our fuel system Cummins Specialty Tools include:
Injector pullers and installation kits


Fuel rail pressure test kits


Common rail injector removal tools


High-pressure line wrenches


These tools ensure clean and precise injector service, which is crucial for maintaining peak engine efficiency and reducing emissions.
Timing and Engine Assembly Tools
Proper timing ensures the engine runs at its designed performance and emissions levels. Our specialized timing tools include:
Camshaft alignment kits


Crankshaft positioning tools


Gear train locking pins


TDC locator kits


With these tools, mechanics can set and maintain engine timing with factory-level precision, preventing catastrophic engine failure due to misalignment.

Why Choose Tillman Tools, LLC?
When you choose Tillman Tools, LLC, you're not only getting the best in tool design and performance—you’re also gaining access to a team committed to supporting professional diesel technicians. Our tools are:
Precision-engineered – Designed to match OEM specifications for Cummins engines


Durable and reliable – Constructed from high-grade materials for long-term performance


Mechanic-tested – Proven in real-world shop environments


Cost-effective – Competitive pricing without sacrificing quality


We understand that uptime is everything in the trucking world. Our Cummins Truck Engine Tools are built to help you reduce service time, eliminate errors, and get trucks back on the road faster.

Tools for Every Cummins Engine Platform
Our catalog supports a wide range of Cummins engine models, including:
ISX, X15


ISM, ISB, ISC


N14, L10


Cummins B and C Series engines


Whether you’re servicing long-haul rigs, vocational trucks, or industrial Cummins engines, we have the Cummins Specialty Tools to get the job done with precision and efficiency.

Order with Confidence from Tillman Tools
At Tillman Tools, LLC, we make it easy to get the professional tools you need. Visit our website at tillmantools.com/ to browse our wide selection of Cummins ISX Tools and more. With fast shipping, expert support, and a strong reputation for quality, we are your trusted partner for heavy-duty diesel repair solutions.