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Master Series Diagnostic Solutions
Our diagnostic solutions deliver true dealer-level capability without the dealer price tag. Designed for professionals who need accuracy, depth,and efficiency, these tools provide comprehensive fault codes, bi-directional controls, and in-depth system insights across a wide range ofequipment. Whether you’re a one-person operation or a full shop, you get the power and flexibility to diagnose with confidence.
GET STARTED NOWWherever You Work, We’ve Got You Covered
You're never out of options with our dealer-level kits. Whether you need on-highway, off-highway, or a combo kit, enjoy the freedom to repair anything and everything that comes your way.
On-Highway Trucks
Dealer-level diagnostics for medium and heavy-duty trucks, with broad coverage across major OEMs and model years.
Off-Highway Equipment
Deep diagnostic coverage for construction and agricultural equipment from leading brands to specialized machinery.
On-Highway & Off-Highway
A complete diagnostic solution delivering dealer-level access across both truck and equipment applications.
The Diesel Difference
It’s all included. Dealer-level diagnostics, hands-on training, continuous updates, and expert support. Everything you need, built into every kit.
Diesel Repair Software
Diesel Repair is the Wikipedia of truck repair information. Instantly access fault code information, repair docs, wiring diagrams, and much more.
Unlimited Diesel Training
From ABS to Aftertreatment, Electrical and beyond, get access to unlimited training for up to 5 technicians. Available in-person or online.
Expert Diesel Support
Our team of US-based technical support agents can handle anything you throw at us, from simple technical issues to advanced diesel diagnostic roadblocks. Solve more problems in less time with our team of master technicians to guide you through it.